System.Data.SQLite
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Changes In Branch build-enhancements Excluding Merge-Ins

This is equivalent to a diff from 1bce85bcfc to 778783fcb4

2011-07-03
13:19
Merge all build enhancements to trunk. check-in: 0fedc31598 user: mistachkin tags: trunk
13:17
Add reminder to update the doc for release procedures. Closed-Leaf check-in: 778783fcb4 user: mistachkin tags: build-enhancements
13:08
Update all versions to 1.0.74.0 in preparation for release. check-in: 89cdc2da26 user: mistachkin tags: build-enhancements
2011-06-29
11:31
Enhancements to command line build and test automation. check-in: 046dc70fd1 user: mistachkin tags: build-enhancements
2011-06-02
15:59
Update downloads and news pages for v1.0.73.0 (3.7.6.3). check-in: 1bce85bcfc user: shaneh tags: trunk, release
15:32
Update of readme. check-in: 339846380c user: shaneh tags: trunk

Deleted Doc/Extra/blank.html. 

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Deleted Doc/Extra/contents.hhc. 

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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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Changes to Doc/Extra/dbfactorysupport.html. 

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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>DbProviderFactory Support</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
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    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
      <table width="100%" id="topTable">
        <tr id="headerTableRow1">
          <td align="left">
            <span id="runningHeaderText">DbProviderFactory Support</span>
          </td>
        </tr>
................................................................................
&lt;configuration&gt;
  &lt;system.data&gt;
    &lt;DbProviderFactories&gt;
      &lt;remove invariant="System.Data.SQLite"/&gt;
      &lt;add name="SQLite Data Provider" invariant="System.Data.SQLite" 
           description=".Net Framework Data Provider for SQLite"
           type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite,
                 Version=1.0.67.0, Culture=neutral,
                 PublicKeyToken=db937bc2d44ff139"/&gt;
    &lt;/DbProviderFactories&gt;
  &lt;/system.data&gt;
&lt;/configuration&gt;
</pre>
      </div>
      <p>
................................................................................
        cnn.ConnectionString = "Data Source=test.db3";
        cnn.Open();
      }</pre>
      </div>
      <hr>
      <div id="footer">
        <p>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Factory%20Support">
            Send comments on this topic.</a>
        </p>
        <p>
        </p>
      </div>
    </div>
    </div>
  </body>
</html>





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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>DbProviderFactory Support</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css" />


  </head>











  <body>
    <div id="header">
      <table width="100%" id="topTable">
        <tr id="headerTableRow1">
          <td align="left">
            <span id="runningHeaderText">DbProviderFactory Support</span>
          </td>
        </tr>
................................................................................
&lt;configuration&gt;
  &lt;system.data&gt;
    &lt;DbProviderFactories&gt;
      &lt;remove invariant="System.Data.SQLite"/&gt;
      &lt;add name="SQLite Data Provider" invariant="System.Data.SQLite" 
           description=".Net Framework Data Provider for SQLite"
           type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite,
                 Version=1.0.74.0, Culture=neutral,
                 PublicKeyToken=db937bc2d44ff139"/&gt;
    &lt;/DbProviderFactories&gt;
  &lt;/system.data&gt;
&lt;/configuration&gt;
</pre>
      </div>
      <p>
................................................................................
        cnn.ConnectionString = "Data Source=test.db3";
        cnn.Open();
      }</pre>
      </div>
      <hr>
      <div id="footer">
        <p>
          <a href="mailto:sqlite-users@sqlite.org?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Factory%20Support">
            Send comments on this topic.</a>
        </p>
        <p>
        </p>
      </div>
    </div>
    </div>
  </body>
</html>

Changes to Doc/Extra/designer.html. 

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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>Design-Time Support</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
      <table width="100%" id="topTable">
        <tr id="headerTableRow1">
          <td align="left">
            <span id="runningHeaderText">Design-Time Support</span>
          </td>
        </tr>
................................................................................
        designers.&nbsp; Therefore, when you install the SQLite designer for one of these
        express editions, it will temporarily replace the Microsoft Access designer.&nbsp;
        You can revert back to the Access designer simply by re-running the install.exe
        program and un-checking the boxes.</p>
      <hr/>
      <div id="footer">
        <p>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Designer%20Support">
            Send comments on this topic.</a>
        </p>
        <p>
        </p>
      </div>
    </div>
    </div>
  </body>
</html>





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................................................................................
        designers.&nbsp; Therefore, when you install the SQLite designer for one of these
        express editions, it will temporarily replace the Microsoft Access designer.&nbsp;
        You can revert back to the Access designer simply by re-running the install.exe
        program and un-checking the boxes.</p>
      <hr/>
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          <a href="mailto:sqlite-users@sqlite.org?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Designer%20Support">
            Send comments on this topic.</a>
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    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>DROP VIEW</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

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  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>EXPLAIN</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
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    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
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    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>expression</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
    <style type="text/css">
      .style1
      {
        height: 70px;
      }
    </style>
  </head>
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    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />
    <div id="header">
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    <title>expression</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css" />


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      .style1
      {
        height: 70px;
      }
    </style>
  </head>
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    <div id="header">
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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>INSERT</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
      <table width="100%" id="topTable">
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    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
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<html dir="LTR" xmlns="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:tool="http://www.microsoft.com/tooltip" xmlns:ndoc="urn:ndoc-preprocess">
  <head>
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    <title>REINDEX</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
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  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>REPLACE</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
      <table width="100%" id="topTable">
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  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
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    <div id="header">
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  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252" />
    <title>SELECT</title>
    <link rel="stylesheet" type="text/css" href="ndoc.css"> </link>
    <link rel="stylesheet" type="text/css" href="user.css"> </link>
    <script type="text/javascript" src="ndoc.js"> </script>
  </head>
  <body style="display: none;">
    <input type="hidden" id="userDataCache" class="userDataStyle" />
    <input type="hidden" id="hiddenScrollOffset" />
    <img id="dropDownImage" style="display:none; height:0; width:0;" src="drpdown.gif" />
    <img id="dropDownHoverImage" style="display:none; height:0; width:0;" src="drpdown_orange.gif" />
    <img id="collapseImage" style="display:none; height:0; width:0;" src="collapse.gif" />
    <img id="expandImage" style="display:none; height:0; width:0;" src="exp.gif" />
    <img id="collapseAllImage" style="display:none; height:0; width:0;" src="collall.gif" />
    <img id="expandAllImage" style="display:none; height:0; width:0;" src="expall.gif" />
    <img id="copyImage" style="display:none; height:0; width:0;" src="copycode.gif" />
    <img id="copyHoverImage" style="display:none; height:0; width:0;" src="copycodeHighlight.gif" />

    <div id="header">
      <table width="100%" id="topTable">
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        occur if one thread is attempting to read while another thread is attempting to 
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        occur if one thread is attempting to read while another thread is attempting to 
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      <p>Every database engine worth its salt utilizes prepared statements. If you're 
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      </p>
      <hr />
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          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Optimizing">
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      <p>Every database engine worth its salt utilizes prepared statements. If you're 
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        line.
      </p>
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          <a href="mailto:sqlite-users@sqlite.org?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Optimizing">
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    <p><b>1.0.67.0 - January 3, 2011</b></p>
    <ul>
      <li>Code merge with SQLite 3.7.4</li>
      <li>Continuing work on supporting Visual Studio 2010</li>
    </ul>
    <p><b>1.0.66.1 - August 1, 2010</b></p>
    <ul>
................................................................................
        <LI>
          Added support for user-defined collations.
        </LI>
      </UL>
      <hr />
      <div id="footer">
        <p>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Version%20History">
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        <tr id="headerTableRow1">
          <td align="left">
            <span id="runningHeaderText">Version History</span>
          </td>
        </tr>
................................................................................
          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.74.0 - July 4, 2011</b></p>
    <ul>
      <li>Updated to SQLite 3.7.7.1 <a href="http://www.sqlite.org/src/info/af0d91adf4">[af0d91adf4]</a>.</li>
      <li>Fix incorrect hard-coded .NET Framework version information SQLiteFactory_Linq.cs that was causing IServiceProvider.GetService to fail when running against the .NET Framework 3.5.</li>
      <li>Fix all XML documentation warnings.</li>
      <li>Restore support for the mixed-mode assembly (i.e. the one that can be registered in the Global Assembly Cache).</li>
      <li>Restore support for the Compact Framework.</li>
      <li>Remove unused &quot;using&quot; statements from the System.Data.SQLite and System.Data.SQLite.Linq projects.</li>
      <li>Remove hard-coded System.Data.SQLite.Linq version from SQLiteFactory_Linq.cs</li>
      <li>Modify the setup to support bundled packages (i.e. with the mixed-mode assembly) and standard packages (i.e. with the managed assembly separate from the native interop library).</li>
      <li>Disable the ability to register with the Global Assembly Cache in the standard setup package (i.e. it is available in the bundled setup only).</li>
      <li>Remove PATH modification from the setup.</li>
      <li>Modify the naming scheme for the source, setup, and binary packages to allow for the necessary variants.</li>
      <li>In the build automation, attempt to automatically detect if Visual Studio 2008 and/or 2010 are installed and support building binaries for both at once, when available.</li>
      <li>Add release automation to build the source, setup, and binary packages in all supported build variants.</li>
      <li>Add the testlinq project to the new build system and make it work properly with Visual Studio 2008 and 2010.</li>
    </ul>
    <p><b>1.0.73.0 - June 2, 2011</b></p>
    <ul>
      <li>Updated to SQLite 3.7.6.3 <a href="http://www.sqlite.org/src/info/ed1da510a2">[ed1da510a2]</a>.</li>
      <li>Minor optimization to GetBytes(). Fix for <a href="http://system.data.sqlite.org/src/info/8c1650482e">[8c1650482e]</a>.</li>
      <li>Update various assembly information settings.</li>
      <li>Correct System.Data.SQLite.Linq version and resource information. Fix for <a href="http://system.data.sqlite.org/src/info/6489c5a396">[6489c5a396]</a> and <a href="http://system.data.sqlite.org/src/info/133daf50d6">[133daf50d6]</a>.</li>
      <li>Moved log handler from SQLiteConnection object to SQLiteFactory object to prevent if from being prematurely GCed.</li>
      <li>We should block x64 installs on x86 and we should install native only if the setup package itself is native. Fix for <a href="http://system.data.sqlite.org/src/info/e058ce156e">[e058ce156e]</a>.</li>
    </ul>
    <p><b>1.0.72.0 - May 1, 2011</b></p>
    <ul>
      <li>Add the correct directory to the path. Fix for <a href="http://system.data.sqlite.org/src/info/50515a0c8e">[50515a0c8e]</a>.</li>
    </ul>
    <p><b>1.0.71.0 - April 27, 2011</b></p>
    <ul>
      <li>Updated to SQLite 3.7.6+ <a href="http://www.sqlite.org/src/info/1bd1484cd7">[1bd1484cd7]</a> to get additional Windows error logging.</li>
      <li>Updated setup to optionally add install directory to PATH if GAC option selected.</li>
    </ul>
    <p><b>1.0.69.0 - April 12, 2011</b></p>
    <ul>
      <li>Code merge with SQLite 3.7.6</li>
      <li>New VS2008 and VS2010 solution files</li>
      <li>Build and packaging automation</li>
      <li>New Inno Setup files</li>
      <li>Designer support currently not ready for release</li>
    </ul>
    <p><b>1.0.68.0 - February 2011</b></p>
    <ul>
      <li>Code merge with SQLite 3.7.5</li>
      <li>Continuing work on supporting Visual Studio 2010</li>
    </ul>
    <p><b>1.0.67.0 - January 3, 2011</b></p>
    <ul>
      <li>Code merge with SQLite 3.7.4</li>
      <li>Continuing work on supporting Visual Studio 2010</li>
    </ul>
    <p><b>1.0.66.1 - August 1, 2010</b></p>
    <ul>
................................................................................
        <LI>
          Added support for user-defined collations.
        </LI>
      </UL>
      <hr />
      <div id="footer">
        <p>
          <a href="mailto:sqlite-users@sqlite.org?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Version%20History">
            Send comments on this topic.</a>
        </p>
        <p>
        </p>
      </div>
    </div>
    </div>
  </body>
</html>

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            <span id="nsrTitle">SQLite.NET Class Library Documentation</span>
          </td>
        </tr>
................................................................................
          </td>
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      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
      <h1 class="heading">About SQLite.NET</h1>
      <p>This class library is an ADO.NET 2.0 wrapper around the popular (and free!) 
        SQLite database engine. For information on SQL syntax, features of SQLite and a 
        good understanding of how it works and what it does, I highly recommend heading 
        over to <a target="_blank" href="http://www.sqlite.org">sqlite.org</a> and 
        reading the documentation there.</p>
      <P>The C# provider, the very minor C code modifications to SQLite, documentation and 
        etc&nbsp;were written by <A href="mailto:robert@blackcastlesoft.com">Robert 
          Simpson</A>, and the SourceForge project page can be found <A target="_blank" href="http://sourceforge.net/projects/sqlite-dotnet2">
................................................................................
          engine (compared to other providers and engines)</a></p>
      <br>
      <h1 class="heading">SQLite.NET Provider Features</h1>
      <p>This SQLite provider implements every feature of the underlying SQLite 
        database engine without omission. Here's a brief summary:</p>
      <UL>
        <LI>
        Written from scratch on VS2005/2008 specifically for ADO.NET 2.0, implenting all the
        base classes and features recently introduced in the framework, including automatic
        transaction enlistment.<li>Supports the Full and Compact .NET Framework, as well as
          native C/C++ development.&nbsp; 100% binary compatible with the original sqlite3.dll.</li>
        <li>Full support for Mono via a &quot;managed only&quot; provider that runs against the 
          official SQLite 3.6.1 or higher library.</li>
        <li>Full Entity Framework support (ADO.NET 3.5 SP1)</li>
        <li>
................................................................................
        in case you want to add it to the Global Assembly Cache (GAC). This is the only DLL required to be redistributed with 
        your SQLite.NET application(s).&nbsp; It 
        comes in&nbsp;3
        flavors: Win32, Itanium and x64 (AMD64).</p>
      <h1 class="heading">Distributing the Binaries (Compact Framework)</h1>
      <p><b>System.Data.SQLite.DLL </b>and <b>SQLite.Interop.XXX.DLL</b> must be 
        deployed on the Compact Framework.&nbsp; The XXX is the build number of the 
        System.Data.SQLite library (e.g. &quot;059&quot;).&nbsp; SQLite.Interop.XXX is a fully 
        native assembly compiled for the ARM processor, and System.Data.SQLite is the 
        fully-managed Compact Framework assembly.</p>
      <hr />
      <div id="footer">
        <p>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite%20ADO.NET%202.0%20Provider%201.0.0.0%20Documentation%20Feedback:%20Welcome">
          Send comments on this topic.<!--[if gte IE 5]><tool:tip element="seeAlsoToolTip" avoidmouse="false" /><tool:tip element="languageFilterToolTip" avoidmouse="false" /><![endif]-->    </div>
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            <span id="nsrTitle">SQLite.NET Class Library Documentation</span>
          </td>
        </tr>
................................................................................
          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
      <h1 class="heading">About SQLite.NET</h1>
      <p>This class library is an ADO.NET wrapper around the popular (and free!) 
        SQLite database engine. For information on SQL syntax, features of SQLite and a 
        good understanding of how it works and what it does, I highly recommend heading 
        over to <a target="_blank" href="http://www.sqlite.org">sqlite.org</a> and 
        reading the documentation there.</p>
      <P>The C# provider, the very minor C code modifications to SQLite, documentation and 
        etc&nbsp;were written by <A href="mailto:robert@blackcastlesoft.com">Robert 
          Simpson</A>, and the SourceForge project page can be found <A target="_blank" href="http://sourceforge.net/projects/sqlite-dotnet2">
................................................................................
          engine (compared to other providers and engines)</a></p>
      <br>
      <h1 class="heading">SQLite.NET Provider Features</h1>
      <p>This SQLite provider implements every feature of the underlying SQLite 
        database engine without omission. Here's a brief summary:</p>
      <UL>
        <LI>
        Written from scratch on VS2005/2008 specifically for ADO.NET, implenting all the
        base classes and features recently introduced in the framework, including automatic
        transaction enlistment.<li>Supports the Full and Compact .NET Framework, as well as
          native C/C++ development.&nbsp; 100% binary compatible with the original sqlite3.dll.</li>
        <li>Full support for Mono via a &quot;managed only&quot; provider that runs against the 
          official SQLite 3.6.1 or higher library.</li>
        <li>Full Entity Framework support (ADO.NET 3.5 SP1)</li>
        <li>
................................................................................
        in case you want to add it to the Global Assembly Cache (GAC). This is the only DLL required to be redistributed with 
        your SQLite.NET application(s).&nbsp; It 
        comes in&nbsp;3
        flavors: Win32, Itanium and x64 (AMD64).</p>
      <h1 class="heading">Distributing the Binaries (Compact Framework)</h1>
      <p><b>System.Data.SQLite.DLL </b>and <b>SQLite.Interop.XXX.DLL</b> must be 
        deployed on the Compact Framework.&nbsp; The XXX is the build number of the 
        System.Data.SQLite library (e.g. &quot;074&quot;).&nbsp; SQLite.Interop.XXX is a fully 
        native assembly compiled for the ARM processor, and System.Data.SQLite is the 
        fully-managed Compact Framework assembly.</p>
      <hr />
      <div id="footer">
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          <a href="mailto:sqlite-users@sqlite.org?subject=SQLite.NET%20Class%20Library%20Documentation%20Feedback:%20Welcome">
          Send comments on this topic.<!--[if gte IE 5]><tool:tip element="seeAlsoToolTip" avoidmouse="false" /><tool:tip element="languageFilterToolTip" avoidmouse="false" /><![endif]-->    </div>
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	<UL>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="Installing Design-Time Support">
			<param name="Local" value="designer.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="Using DbProviderFactories">
			<param name="Local" value="dbfactorysupport.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="Optimizing SQL Queries">
			<param name="Local" value="optimizing.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="Provider Limitations">
			<param name="Local" value="LImitations.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="Version History">
			<param name="Local" value="version.html">
			</OBJECT>
	</UL>
	<LI> <OBJECT type="text/sitemap">
		<param name="Name" value="SQLite Language Reference">
		<param name="Local" value="syntax.html">
		</OBJECT>
	<UL>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="ALTER TABLE">
			<param name="Local" value="lang_altertable.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="ANALYZE">
			<param name="Local" value="lang_analyze.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="ATTACH DATABASE">
			<param name="Local" value="lang_attach.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="BEGIN TRANSACTION">
			<param name="Local" value="lang_transaction.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="comment">
			<param name="Local" value="lang_comment.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="COMMIT TRANSACTION">
			<param name="Local" value="lang_transaction.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="CREATE INDEX">
			<param name="Local" value="lang_createindex.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="CREATE TABLE">
			<param name="Local" value="lang_createtable.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="CREATE TRIGGER">
			<param name="Local" value="lang_createtrigger.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="CREATE VIEW">
			<param name="Local" value="lang_createview.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="CREATE VIRTUAL TABLE">
			<param name="Local" value="lang_createvtab.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DELETE">
			<param name="Local" value="lang_delete.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DETACH DATABASE">
			<param name="Local" value="lang_detach.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DROP INDEX">
			<param name="Local" value="lang_dropindex.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DROP TABLE">
			<param name="Local" value="lang_droptable.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DROP TRIGGER">
			<param name="Local" value="lang_droptrigger.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="DROP VIEW">
			<param name="Local" value="lang_dropview.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="END TRANSACTION">
			<param name="Local" value="lang_transaction.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="EXPLAIN">
			<param name="Local" value="lang_explain.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="expression">
			<param name="Local" value="lang_expr.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="INSERT">
			<param name="Local" value="lang_insert.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="ON CONFLICT">
			<param name="Local" value="lang_conflict.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="PRAGMA">
			<param name="Local" value="pragma.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="REINDEX">
			<param name="Local" value="lang_reindex.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="REPLACE">
			<param name="Local" value="lang_replace.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="ROLLBACK TRANSACTION">
			<param name="Local" value="lang_transaction.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="SELECT">
			<param name="Local" value="lang_select.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="UPDATE">
			<param name="Local" value="lang_update.html">
			</OBJECT>
		<LI> <OBJECT type="text/sitemap">
			<param name="Name" value="VACUUM">
			<param name="Local" value="lang_vacuum.html">
			</OBJECT>
	</UL>

Added Doc/SQLite.NET.hhp. 



































































































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[OPTIONS]
Compatibility=1.1 or later
Compiled file=SQLite.NET.extra.chm
Contents file=SQLite.NET.hhc
Default topic=Extra\welcome.html
Display compile progress=Yes
Error log file=SQLite.NET.log
Full-text search=Yes
Language=0x409 English (United States)
Title=SQLite.NET Help

[FILES]
Extra\ndoc.css
Extra\dbfactorysupport.html
Extra\designer.html
Extra\lang_altertable.html
Extra\lang_analyze.html
Extra\lang_attach.html
Extra\lang_comment.html
Extra\lang_conflict.html
Extra\lang_createindex.html
Extra\lang_createtable.html
Extra\lang_createtrigger.html
Extra\lang_createview.html
Extra\lang_createvtab.html
Extra\lang_datetime.html
Extra\lang_delete.html
Extra\lang_detach.html
Extra\lang_dropindex.html
Extra\lang_droptable.html
Extra\lang_droptrigger.html
Extra\lang_dropview.html
Extra\lang_explain.html
Extra\lang_expr.html
Extra\lang_insert.html
Extra\lang_reindex.html
Extra\lang_replace.html
Extra\lang_select.html
Extra\lang_transaction.html
Extra\lang_types.html
Extra\lang_update.html
Extra\lang_vacuum.html
Extra\limitations.html
Extra\optimizing.html
Extra\pragma.html
Extra\syntax.html
Extra\version.html
Extra\welcome.html

Changes to Doc/SQLite.NET.ndoc. 

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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<project SchemaVersion="2.0">
    <assemblies>
        <assembly location="..\bin\System.Data.SQLite.DLL" documentation="..\bin\System.Data.SQLite.xml" />
    </assemblies>
    <documenters>
        <documenter name="MSDN-Help2">
            <property name="PlugInNamespace" value="ms.vscc" />
            <property name="OutputDirectory" value=".\doc\" />
            <property name="HtmlHelpName" value="Documentation" />
            <property name="Title" value="An NDoc documented library" />
        </documenter>
        <documenter name="MSDN-CHM">
            <property name="IncludeFavorites" value="True" />
            <property name="SdkLinksOnWeb" value="True" />
            <property name="OutputDirectory" value=".\" />
            <property name="HtmlHelpName" value="SQLite.NET" />
            <property name="Title" value="SQLite ADO.NET 2.0 Provider" />
            <property name="Version" value="" />


            <property name="AdditionalContentResourceDirectory" value=".\Extra\" />
            <property name="AssemblyVersionInfo" value="AssemblyVersion" />
            <property name="FeedbackEmailAddress" value="robert@blackcastlesoft.com" />


            <property name="DocumentAttributes" value="False" />
            <property name="IncludeDefaultThreadSafety" value="False" />
        </documenter>
        <documenter name="XML">
            <property name="OutputFile" value=".\doc\doc.xml" />
        </documenter>
        <documenter name="Intellisense">
            <property name="OutputDirectory" value=".\intellisense\" />
        </documenter>
    </documenters>
</project>




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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<project SchemaVersion="2.0">
    <assemblies>
        <assembly location="..\bin\2008\Release\bin\System.Data.SQLite.dll" documentation="..\bin\2008\Release\bin\System.Data.SQLite.xml" />
    </assemblies>
    <documenters>






        <documenter name="MSDN">
            <property name="IncludeFavorites" value="True" />
            <property name="SdkLinksOnWeb" value="True" />
            <property name="OutputDirectory" value=".\Output\" />
            <property name="HtmlHelpName" value="SQLite.NET" />
            <property name="Title" value="SQLite ADO.NET Provider" />
            <property name="Version" value="" />
            <property name="OutputTarget" value="HtmlHelp" />
            <property name="BinaryTOC" value="False" />
            <property name="AdditionalContentResourceDirectory" value=".\Extra\" />
            <property name="AssemblyVersionInfo" value="AssemblyVersion" />
            <property name="FeedbackEmailAddress" value="sqlite-users@sqlite.org" />
            <property name="SdkDocVersion" value="SDK_v3_5" />
            <property name="SdkDocVersionString" value="VS.90" />
            <property name="DocumentAttributes" value="False" />
            <property name="IncludeDefaultThreadSafety" value="False" />
        </documenter>






    </documenters>
</project>

Added Doc/buildChm.tcl. 





































































































































































































































































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###############################################################################
#
# buildChm.tcl -- CHM Build Wrapper & Post-Procssing Tool
#
# WARNING: This tool requires that the "HTML Help Workshop" and "NDoc3"
#          applications are installed to their default locations.
#
# Written by Joe Mistachkin.
# Released to the public domain, use at your own risk!
#
###############################################################################

proc readFile { fileName } {
  set file_id [open $fileName RDONLY]
  fconfigure $file_id -encoding binary -translation binary
  set result [read $file_id]
  close $file_id
  return $result
}
 
proc writeFile { fileName data } {
  set file_id [open $fileName {WRONLY CREAT TRUNC}]
  fconfigure $file_id -encoding binary -translation binary
  puts -nonewline $file_id $data
  close $file_id
  return ""
}
 
proc readFileAsSubSpec { fileName } {
  set data [readFile $fileName]
  regsub -all -- {&} $data {\\\&} data
  regsub -all -- {\\(\d+)} $data {\\\\\1} data
  return $data
}
 
set path [file dirname [info script]]

set nDocPath [file join $env(ProgramFiles) NDoc3]

if {![file isdirectory $nDocPath]} then {
  puts stdout "NDoc3 must be installed to: $nDocPath"; exit 1
}

set hhcPath [file join $env(ProgramFiles) "HTML Help Workshop"]

if {![file isdirectory $hhcPath]} then {
  puts stdout "HTML Help Workshop must be installed to: $hhcPath"; exit 1
}

#
# TODO: If the NDoc version number ever changes, the next line of code will
#       probably need to be updated.
#
set outputPath [file join Output ndoc3_msdn_temp]

set code [catch {exec [file join $nDocPath bin NDoc3Console.exe] \
    "-project=[file nativename [file join $path SQLite.NET.ndoc]]"} result]

puts stdout $result; if {$code != 0} then {exit $code}

set fileNames [list SQLite.NET.hhp SQLite.NET.hhc]

set exps(.hhc,1) {<!--This document contains Table of Contents information for\
the HtmlHelp compiler\.--><UL>}

set exps(.hhp,1) {Default topic=~System\.Data\.SQLite\.html}
set exps(.hhp,2) {"~System\.Data\.SQLite\.html","~System\.Data\.SQLite\.html",,,,,}

set subSpecs(.hhc,1) [readFileAsSubSpec [file join $path SQLite.NET.hhc]]
set subSpecs(.hhp,1) {Default topic=welcome.html}
set subSpecs(.hhp,2) {"welcome.html","welcome.html",,,,,}

foreach fileName $fileNames {
  set fileName [file join $path $outputPath $fileName]

  #
  # NOTE: Make sure the file we need actually exists.
  #
  if {![file isfile $fileName]} then {
    puts stdout "Cannot find file: $fileName"; exit 1
  }

  #
  # NOTE: Read the entire file into memory.
  #
  set data [readFile $fileName]

  #
  # NOTE: No replacements have been performed yet.
  #
  set count 0

  foreach name [lsort [array names exps [file extension $fileName],*]] {
    set exp $exps($name)
    set subSpec ""

    if {[info exists subSpecs($name)]} then {
      set subSpec $subSpecs($name)
    }

    set expCount [regsub -- $exp $data $subSpec data]

    if {$expCount > 0} then {
      incr count $expCount
    } else {
      puts stdout "*WARNING* File \"$fileName\" does not match: $exp"
    }
  }

  #
  # NOTE: If we actually performed some replacements, rewrite the file.
  #
  if {$count > 0} then {
    writeFile $fileName $data
  }
}

set code [catch {exec [file join $hhcPath hhc.exe] \
    [file nativename [file join $path $outputPath SQLite.NET.hhp]]} result]

#
# NOTE: For hhc.exe, zero means failure.
#
puts stdout $result; if {$code == 0} then {exit 1}

file copy -force [file join $path $outputPath SQLite.NET.chm] \
    [file join $path SQLite.NET.chm]

puts stdout SUCCESS; exit 0

Changes to Membership/SQLiteProvider.2008.csproj. 

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    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLiteProvider</RootNamespace>
    <AssemblyName>SQLiteProvider</AssemblyName>
    <OldToolsVersion>2.0</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <NetFx20>true</NetFx20>

  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)System.Data.SQLite.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">








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    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLiteProvider</RootNamespace>
    <AssemblyName>SQLiteProvider</AssemblyName>
    <OldToolsVersion>2.0</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <NetFx20>true</NetFx20>
    <ConfigurationYear>2008</ConfigurationYear>
  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)System.Data.SQLite.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

Changes to Membership/SQLiteProvider.2010.csproj. 

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    <ProjectGuid>{1B7C6ACE-35AA-481C-9CF6-56B702E3E043}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLiteProvider</RootNamespace>
    <AssemblyName>SQLiteProvider</AssemblyName>
    <OldToolsVersion>3.5</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>

  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)System.Data.SQLite.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">








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    <ProjectGuid>{1B7C6ACE-35AA-481C-9CF6-56B702E3E043}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLiteProvider</RootNamespace>
    <AssemblyName>SQLiteProvider</AssemblyName>
    <OldToolsVersion>3.5</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <ConfigurationYear>2010</ConfigurationYear>
  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)System.Data.SQLite.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

Changes to SQLite.Designer/AssemblyInfo.cs. 

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using System.Runtime.ConstrainedExecution;
using System.Resources;

// General Information about an assembly is controlled through the following 
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("SQLite.Designer")]
[assembly: AssemblyDescription("ADO.NET 4.0 Data Designer for SQLite")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("http://system.data.sqlite.org")]
[assembly: AssemblyProduct("SQLite Designer")]
[assembly: AssemblyCopyright("Public Domain")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]









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using System.Runtime.ConstrainedExecution;
using System.Resources;

// General Information about an assembly is controlled through the following 
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("SQLite.Designer")]
[assembly: AssemblyDescription("ADO.NET Data Designer for SQLite")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("http://system.data.sqlite.org")]
[assembly: AssemblyProduct("SQLite Designer")]
[assembly: AssemblyCopyright("Public Domain")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]

Changes to SQLite.Designer/SQLite.Designer.2008.csproj. 

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    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLite.Designer</RootNamespace>
    <AssemblyName>SQLite.Designer</AssemblyName>
    <OldToolsVersion>2.0</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <NetFx20>true</NetFx20>

  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)SQLite.Designer.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">








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    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLite.Designer</RootNamespace>
    <AssemblyName>SQLite.Designer</AssemblyName>
    <OldToolsVersion>2.0</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <NetFx20>true</NetFx20>
    <ConfigurationYear>2008</ConfigurationYear>
  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)SQLite.Designer.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

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    <ProjectGuid>{9B4A5CF6-5BE5-4926-ACC7-B729A8C05198}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLite.Designer</RootNamespace>
    <AssemblyName>SQLite.Designer</AssemblyName>
    <OldToolsVersion>3.5</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>

  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)SQLite.Designer.xml</DocumentationFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">








>








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    <ProjectGuid>{9B4A5CF6-5BE5-4926-ACC7-B729A8C05198}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>SQLite.Designer</RootNamespace>
    <AssemblyName>SQLite.Designer</AssemblyName>
    <OldToolsVersion>3.5</OldToolsVersion>
    <SQLiteNetDir>$(MSBuildProjectDirectory)\..</SQLiteNetDir>
    <ConfigurationYear>2010</ConfigurationYear>
  </PropertyGroup>
  <Import Project="$(SQLiteNetDir)\SQLite.NET.Settings.targets" />
  <PropertyGroup Condition="'$(BinaryOutputPath)' != ''">
    <OutputPath>$(BinaryOutputPath)</OutputPath>
    <DocumentationFile>$(BinaryOutputPath)SQLite.Designer.xml</DocumentationFile>
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<?xml version="1.0" encoding="utf-8"?>
<Vsix Version="1.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2010">
  <Identifier Id="67b5f3a9-cde1-430f-a12b-af95bb064851">
    <Name>SQLite Designer</Name>
    <Author>Robert Simpson</Author>
    <Version>1.0.38.1</Version>
    <Description>ADO.NET 4.0 Data Designer for SQLite</Description>
    <Locale>1033</Locale>
    <InstalledByMsi>false</InstalledByMsi>
    <SupportedProducts>
      <VisualStudio Version="10.0">
        <Edition>Pro</Edition>
      </VisualStudio>
    </SupportedProducts>







|








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<?xml version="1.0" encoding="utf-8"?>
<Vsix Version="1.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2010">
  <Identifier Id="67b5f3a9-cde1-430f-a12b-af95bb064851">
    <Name>SQLite Designer</Name>
    <Author>Robert Simpson</Author>
    <Version>1.0.38.1</Version>
    <Description>ADO.NET Data Designer for SQLite</Description>
    <Locale>1033</Locale>
    <InstalledByMsi>false</InstalledByMsi>
    <SupportedProducts>
      <VisualStudio Version="10.0">
        <Edition>Pro</Edition>
      </VisualStudio>
    </SupportedProducts>

Changes to SQLite.Interop/SQLite.Interop.2008.vcproj. 

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		/>
	</Platforms>
	<ToolFiles>
	</ToolFiles>
	<Configurations>
		<Configuration
			Name="Debug|Win32"
			OutputDirectory="$(ProjectDir)..\bin\$(PlatformName)\$(ConfigurationName)"
			IntermediateDirectory="..\obj\$(PlatformName)\$(ConfigurationName)"
			ConfigurationType="2"
			InheritedPropertySheets=".\props\sqlite3.vsprops;.\props\SQLite.Interop.vsprops"
			CharacterSet="1"
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			<Tool
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			<Tool
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				AdditionalOptions="$(INTEROP_ASSEMBLY_RESOURCES)"
				AdditionalDependencies="$(ProjectDir)..\bin\$(ConfigurationName)Module\bin\System.Data.SQLite.netmodule"
				OutputFile="$(OutDir)\$(INTEROP_MIXED_NAME).dll"
				Version="$(INTEROP_MANIFEST_VERSION)"
				LinkIncremental="1"
				GenerateDebugInformation="true"
				AssemblyDebug="1"
				ProgramDatabaseFile="$(TargetDir)$(INTEROP_MIXED_NAME).pdb"
				GenerateMapFile="true"
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			<Tool
				Name="VCPostBuildEventTool"
				CommandLine="&quot;$(FrameworkSDKDir)Bin\sn.exe&quot; -Ra &quot;$(OutDir)\$(INTEROP_MIXED_NAME).dll&quot; &quot;$(INTEROP_KEY_FILE)&quot;"
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			Name="Debug|x64"
			OutputDirectory="$(ProjectDir)..\bin\$(PlatformName)\$(ConfigurationName)"
			IntermediateDirectory="..\obj\$(PlatformName)\$(ConfigurationName)"
			ConfigurationType="2"
			InheritedPropertySheets=".\props\sqlite3.vsprops;.\props\SQLite.Interop.vsprops"
			CharacterSet="1"
			>
			<Tool
				Name="VCPreBuildEventTool"
			/>
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			/>
			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLinkerTool"
				AdditionalOptions="$(INTEROP_ASSEMBLY_RESOURCES)"
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				OutputFile="$(OutDir)\$(INTEROP_MIXED_NAME).dll"
				Version="$(INTEROP_MANIFEST_VERSION)"
				LinkIncremental="1"
				GenerateDebugInformation="true"
				AssemblyDebug="1"
				ProgramDatabaseFile="$(TargetDir)$(INTEROP_MIXED_NAME).pdb"
				GenerateMapFile="true"
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			<Tool
				Name="VCPostBuildEventTool"
				CommandLine="&quot;$(FrameworkSDKDir)Bin\sn.exe&quot; -Ra &quot;$(OutDir)\$(INTEROP_MIXED_NAME).dll&quot; &quot;$(INTEROP_KEY_FILE)&quot;"
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		<Configuration
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			CharacterSet="1"
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			<Tool
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			/>
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				Name="VCPreBuildEventTool"
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			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLinkerTool"
				AdditionalOptions="$(INTEROP_ASSEMBLY_RESOURCES)"
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				CommandLine="&quot;$(FrameworkSDKDir)Bin\sn.exe&quot; -Ra &quot;$(OutDir)\$(INTEROP_MIXED_NAME).dll&quot; &quot;$(INTEROP_KEY_FILE)&quot;"
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			<Tool
				Name="VCPreBuildEventTool"
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			/>
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				Name="VCLinkerTool"
				AdditionalOptions="$(INTEROP_ASSEMBLY_RESOURCES)"
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				OutputFile="$(OutDir)\$(INTEROP_MIXED_NAME).dll"
				Version="$(INTEROP_MANIFEST_VERSION)"
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				Name="VCPreBuildEventTool"
................................................................................
			/>
			<Tool
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			/>
			<Tool
				Name="VCLinkerTool"
				AdditionalOptions="$(INTEROP_ASSEMBLY_RESOURCES)"
				AdditionalDependencies="$(ProjectDir)..\bin\$(ConfigurationYear)\$(ConfigurationName)Module\bin\System.Data.SQLite.netmodule"
				OutputFile="$(OutDir)\$(INTEROP_MIXED_NAME).dll"
				Version="$(INTEROP_MANIFEST_VERSION)"
				LinkIncremental="1"
				GenerateDebugInformation="true"
				ProgramDatabaseFile="$(TargetDir)$(INTEROP_MIXED_NAME).pdb"
				GenerateMapFile="true"
				MapExports="true"
................................................................................
			<Tool
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				CommandLine="&quot;$(FrameworkSDKDir)Bin\sn.exe&quot; -Ra &quot;$(OutDir)\$(INTEROP_MIXED_NAME).dll&quot; &quot;$(INTEROP_KEY_FILE)&quot;"
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		<Configuration
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			OutputDirectory="$(ProjectDir)..\bin\$(ConfigurationYear)\$(PlatformName)\$(ConfigurationName)"
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			CharacterSet="1"
			WholeProgramOptimization="1"
			>
			<Tool
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................................................................................
				Name="VCFxCopTool"
			/>
			<Tool
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			<Tool
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				CommandLine="IF /I &quot;%PROCESSOR_ARCHITECTURE%&quot; == &quot;x86&quot; XCOPY &quot;$(TargetPath)&quot; &quot;$(OutDir)..\..\..\Release\bin\&quot; /D /E /V /I /F /H /Y"
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			WholeProgramOptimization="1"
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	<References>
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	<Files>
		<Filter
................................................................................
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				>
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Changes to SQLite.Interop/SQLite.Interop.2010.vcxproj. 

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    <CharacterSet>Unicode</CharacterSet>
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  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
    <OutDir>$(ProjectDir)..\bin\$(Platform)\$(Configuration)\</OutDir>
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    <LinkIncremental>false</LinkIncremental>
    <LinkKeyFile Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(INTEROP_KEY_FILE)</LinkKeyFile>
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    <LinkDelaySign Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkDelaySign>
    <LinkDelaySign Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</LinkDelaySign>
................................................................................
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    <ResourceCompile>
      <PreprocessorDefinitions>_DEBUG;_UNICODE;UNICODE;INTEROP_RC_VERSION=$(INTEROP_RC_VERSION);%(PreprocessorDefinitions)</PreprocessorDefinitions>
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    <Link>
      <AdditionalOptions>$(INTEROP_ASSEMBLY_RESOURCES) %(AdditionalOptions)</AdditionalOptions>
      <AdditionalDependencies>$(ProjectDir)..\bin\$(Configuration)Module\bin\System.Data.SQLite.netmodule;%(AdditionalDependencies)</AdditionalDependencies>
      <Version>$(INTEROP_MANIFEST_VERSION)</Version>
      <GenerateDebugInformation>true</GenerateDebugInformation>
      <AssemblyDebug>true</AssemblyDebug>
      <GenerateMapFile>true</GenerateMapFile>
      <MapExports>true</MapExports>
      <SubSystem>Windows</SubSystem>
      <OptimizeReferences>true</OptimizeReferences>
................................................................................
      <DisableSpecificWarnings>$(SQLITE_DISABLE_WARNINGS);$(SQLITE_DISABLE_X64_WARNINGS);%(DisableSpecificWarnings)</DisableSpecificWarnings>
    </ClCompile>
    <ResourceCompile>
      <PreprocessorDefinitions>_DEBUG;_UNICODE;UNICODE;INTEROP_RC_VERSION=$(INTEROP_RC_VERSION);%(PreprocessorDefinitions)</PreprocessorDefinitions>
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    <Link>
      <AdditionalOptions>$(INTEROP_ASSEMBLY_RESOURCES) %(AdditionalOptions)</AdditionalOptions>
      <AdditionalDependencies>$(ProjectDir)..\bin\$(Configuration)Module\bin\System.Data.SQLite.netmodule;%(AdditionalDependencies)</AdditionalDependencies>
      <Version>$(INTEROP_MANIFEST_VERSION)</Version>
      <GenerateDebugInformation>true</GenerateDebugInformation>
      <AssemblyDebug>true</AssemblyDebug>
      <GenerateMapFile>true</GenerateMapFile>
      <MapExports>true</MapExports>
      <SubSystem>Windows</SubSystem>
      <OptimizeReferences>true</OptimizeReferences>
................................................................................
      <DisableSpecificWarnings>$(SQLITE_DISABLE_WARNINGS);%(DisableSpecificWarnings)</DisableSpecificWarnings>
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    <ResourceCompile>
      <PreprocessorDefinitions>NDEBUG;_UNICODE;UNICODE;INTEROP_RC_VERSION=$(INTEROP_RC_VERSION);%(PreprocessorDefinitions)</PreprocessorDefinitions>
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    <Link>
      <AdditionalOptions>$(INTEROP_ASSEMBLY_RESOURCES) %(AdditionalOptions)</AdditionalOptions>
      <AdditionalDependencies>$(ProjectDir)..\bin\$(Configuration)Module\bin\System.Data.SQLite.netmodule;%(AdditionalDependencies)</AdditionalDependencies>
      <Version>$(INTEROP_MANIFEST_VERSION)</Version>
      <GenerateDebugInformation>true</GenerateDebugInformation>
      <GenerateMapFile>true</GenerateMapFile>
      <MapExports>true</MapExports>
      <SubSystem>Windows</SubSystem>
      <OptimizeReferences>true</OptimizeReferences>
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
................................................................................
      <DisableSpecificWarnings>$(SQLITE_DISABLE_WARNINGS);$(SQLITE_DISABLE_X64_WARNINGS);%(DisableSpecificWarnings)</DisableSpecificWarnings>
    </ClCompile>
    <ResourceCompile>
      <PreprocessorDefinitions>NDEBUG;_UNICODE;UNICODE;INTEROP_RC_VERSION=$(INTEROP_RC_VERSION);%(PreprocessorDefinitions)</PreprocessorDefinitions>
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    <Link>
      <AdditionalOptions>$(INTEROP_ASSEMBLY_RESOURCES) %(AdditionalOptions)</AdditionalOptions>
      <AdditionalDependencies>$(ProjectDir)..\bin\$(Configuration)Module\bin\System.Data.SQLite.netmodule;%(AdditionalDependencies)</AdditionalDependencies>
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      <MapExports>true</MapExports>
      <SubSystem>Windows</SubSystem>
      <OptimizeReferences>true</OptimizeReferences>
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
................................................................................
  <ItemGroup>
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    <None Include="props\sqlite3.props" />
  </ItemGroup>
  <ItemGroup>
    <ClInclude Include="src\core\sqlite3.h" />
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  <ItemGroup>
    <ResourceCompile Include="src\win\SQLite.Interop.rc" />
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  <ItemGroup>
    <EmbeddedResource Include="..\System.Data.SQLite\SR.resx">
      <LogicalName>$(IntDir)System.Data.SQLite.%(Filename).resources</LogicalName>








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    <CharacterSet>Unicode</CharacterSet>
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Changes to SQLite.Interop/SQLite.Interop.2010.vcxproj.filters. 

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  </ItemGroup>
  <ItemGroup>
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  </ItemGroup>
</Project>








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  </ItemGroup>
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Added SQLite.Interop/SQLite.Interop.CE.2008.vcproj. 

























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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				LinkIncremental="1"
				GenerateManifest="true"
				DelayLoadDLLs="$(NOINHERIT)"
				GenerateDebugInformation="true"
				ProgramDatabaseFile="$(OutDir)/SQLite.Interop.$(INTEROP_BUILD_NUMBER).pdb"
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				SubSystem="0"
				StackReserveSize="65536"
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				ImportLibrary="$(OutDir)/SQLite.Interop.$(INTEROP_BUILD_NUMBER).lib"
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				RuntimeLibrary="0"
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				DisableSpecificWarnings="$(SQLITE_DISABLE_WARNINGS)"
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			<Tool
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				PreprocessorDefinitions="NDEBUG;_WIN32_WCE=$(CEVER);UNDER_CE;$(PLATFORMDEFINES);&quot;INTEROP_RC_VERSION=$(INTEROP_RC_VERSION)&quot;"
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				AdditionalOptions=" /subsystem:windowsce,5.01"
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				LinkIncremental="1"
				GenerateManifest="true"
				DelayLoadDLLs="$(NOINHERIT)"
				GenerateDebugInformation="true"
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				ImportLibrary="$(OutDir)/SQLite.Interop.$(INTEROP_BUILD_NUMBER).lib"
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						Name="VCCLCompilerTool"
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						Name="VCCLCompilerTool"
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					Name="Debug|Windows Mobile 5.0 Pocket PC SDK (ARMV4I)"
					ExcludedFromBuild="true"
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				RelativePath=".\src\win\interop.h"
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				RelativePath=".\src\core\sqlite3.h"
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		</Filter>
	</Files>
	<Globals>
	</Globals>
</VisualStudioProject>

Changes to SQLite.Interop/props/SQLite.Interop.props. 

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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">


    <INTEROP_MANIFEST_VERSION>1.0.73.0</INTEROP_MANIFEST_VERSION>
    <INTEROP_RC_VERSION>1,0,73,0</INTEROP_RC_VERSION>
    <INTEROP_ASSEMBLY_RESOURCES>/ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteCommand.bmp,System.Data.SQLite.SQLiteCommand.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteConnection.bmp,System.Data.SQLite.SQLiteConnection.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteDataAdapter.bmp,System.Data.SQLite.SQLiteDataAdapter.bmp</INTEROP_ASSEMBLY_RESOURCES>
    <INTEROP_KEY_FILE>$(ProjectDir)..\System.Data.SQLite\System.Data.SQLite.snk</INTEROP_KEY_FILE>
    <INTEROP_NATIVE_NAME>SQLite.Interop</INTEROP_NATIVE_NAME>
    <INTEROP_MIXED_NAME>System.Data.SQLite</INTEROP_MIXED_NAME>
  </PropertyGroup>
  <PropertyGroup>
    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
  </PropertyGroup>
  <ItemGroup>








    <BuildMacro Include="INTEROP_MANIFEST_VERSION">
      <Value>$(INTEROP_MANIFEST_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="INTEROP_RC_VERSION">
      <Value>$(INTEROP_RC_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>








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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <ConfigurationYear>2010</ConfigurationYear>
    <INTEROP_BUILD_NUMBER>073</INTEROP_BUILD_NUMBER>
    <INTEROP_MANIFEST_VERSION>1.0.73.0</INTEROP_MANIFEST_VERSION>
    <INTEROP_RC_VERSION>1,0,73,0</INTEROP_RC_VERSION>
    <INTEROP_ASSEMBLY_RESOURCES>/ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteCommand.bmp,System.Data.SQLite.SQLiteCommand.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteConnection.bmp,System.Data.SQLite.SQLiteConnection.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteDataAdapter.bmp,System.Data.SQLite.SQLiteDataAdapter.bmp</INTEROP_ASSEMBLY_RESOURCES>
    <INTEROP_KEY_FILE>$(ProjectDir)..\System.Data.SQLite\System.Data.SQLite.snk</INTEROP_KEY_FILE>
    <INTEROP_NATIVE_NAME>SQLite.Interop</INTEROP_NATIVE_NAME>
    <INTEROP_MIXED_NAME>System.Data.SQLite</INTEROP_MIXED_NAME>
  </PropertyGroup>
  <PropertyGroup>
    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
  </PropertyGroup>
  <ItemGroup>
    <BuildMacro Include="ConfigurationYear">
      <Value>$(ConfigurationYear)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="INTEROP_BUILD_NUMBER">
      <Value>$(INTEROP_BUILD_NUMBER)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="INTEROP_MANIFEST_VERSION">
      <Value>$(INTEROP_MANIFEST_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="INTEROP_RC_VERSION">
      <Value>$(INTEROP_RC_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>

Changes to SQLite.Interop/props/SQLite.Interop.vsprops. 

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 *
-->
<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="SQLite.Interop"
	>
	<UserMacro










		Name="INTEROP_MANIFEST_VERSION"
		Value="1.0.73.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_RC_VERSION"
		Value="1,0,73,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_ASSEMBLY_RESOURCES"
		Value="/ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteCommand.bmp,System.Data.SQLite.SQLiteCommand.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteConnection.bmp,System.Data.SQLite.SQLiteConnection.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteDataAdapter.bmp,System.Data.SQLite.SQLiteDataAdapter.bmp"
		PerformEnvironmentSet="true"
	/>









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 *
-->
<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="SQLite.Interop"
	>
	<UserMacro
		Name="ConfigurationYear"
		Value="2008"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_BUILD_NUMBER"
		Value="074"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_MANIFEST_VERSION"
		Value="1.0.74.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_RC_VERSION"
		Value="1,0,74,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="INTEROP_ASSEMBLY_RESOURCES"
		Value="/ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteCommand.bmp,System.Data.SQLite.SQLiteCommand.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteConnection.bmp,System.Data.SQLite.SQLiteConnection.bmp /ASSEMBLYRESOURCE:..\System.Data.SQLite\SQLiteDataAdapter.bmp,System.Data.SQLite.SQLiteDataAdapter.bmp"
		PerformEnvironmentSet="true"
	/>

Changes to SQLite.Interop/props/sqlite3.props. 

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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.7.6.3</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,7,6,3</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>NDEBUG;SQLITE_THREADSAFE=1;SQLITE_HAS_CODEC=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1</SQLITE_COMMON_DEFINES>

    <SQLITE_DEBUG_DEFINES></SQLITE_DEBUG_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4018;4055;4057;4090;4100;4127;4132;4146;4152;4210;4244;4245;4389;4701;4706;4996</SQLITE_DISABLE_WARNINGS>
    <SQLITE_DISABLE_X64_WARNINGS>4267;4306</SQLITE_DISABLE_X64_WARNINGS>
  </PropertyGroup>
  <PropertyGroup>
    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
  </PropertyGroup>
................................................................................
      <Value>$(SQLITE_RC_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_COMMON_DEFINES">
      <Value>$(SQLITE_COMMON_DEFINES)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>




    <BuildMacro Include="SQLITE_DEBUG_DEFINES">
      <Value>$(SQLITE_DEBUG_DEFINES)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_DISABLE_WARNINGS">
      <Value>$(SQLITE_DISABLE_WARNINGS)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>








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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.7.7.1</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,7,7,1</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>NDEBUG;SQLITE_THREADSAFE=1;SQLITE_HAS_CODEC=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1</SQLITE_COMMON_DEFINES>
    <SQLITE_WINCE_DEFINES>SQLITE_OMIT_WAL</SQLITE_WINCE_DEFINES>
    <SQLITE_DEBUG_DEFINES></SQLITE_DEBUG_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4018;4055;4057;4090;4100;4127;4132;4146;4152;4210;4244;4245;4389;4701;4706;4996</SQLITE_DISABLE_WARNINGS>
    <SQLITE_DISABLE_X64_WARNINGS>4267;4306</SQLITE_DISABLE_X64_WARNINGS>
  </PropertyGroup>
  <PropertyGroup>
    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
  </PropertyGroup>
................................................................................
      <Value>$(SQLITE_RC_VERSION)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_COMMON_DEFINES">
      <Value>$(SQLITE_COMMON_DEFINES)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_WINCE_DEFINES">
      <Value>$(SQLITE_WINCE_DEFINES)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_DEBUG_DEFINES">
      <Value>$(SQLITE_DEBUG_DEFINES)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>
    </BuildMacro>
    <BuildMacro Include="SQLITE_DISABLE_WARNINGS">
      <Value>$(SQLITE_DISABLE_WARNINGS)</Value>
      <EnvironmentVariable>true</EnvironmentVariable>

Changes to SQLite.Interop/props/sqlite3.vsprops. 

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<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.7.6.3"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,7,6,3"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="NDEBUG;SQLITE_THREADSAFE=1;SQLITE_HAS_CODEC=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1"
		PerformEnvironmentSet="true"
	/>





	<UserMacro
		Name="SQLITE_DEBUG_DEFINES"
		Value=""
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_DISABLE_WARNINGS"








|




|







>
>
>
>
>








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<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.7.7.1"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,7,7,1"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="NDEBUG;SQLITE_THREADSAFE=1;SQLITE_HAS_CODEC=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_WINCE_DEFINES"
		Value="SQLITE_OMIT_WAL"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_DEBUG_DEFINES"
		Value=""
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_DISABLE_WARNINGS"

Changes to SQLite.Interop/src/core/sqlite3.c. 

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.....
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.....
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.....
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.....
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24403
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.....
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.....
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27646
27647
27648

27649
27650
27651
27652
27653
27654
27655
.....
27873
27874
27875
27876
27877
27878
27879

27880
27881
27882
27883
27884
27885
27886
.....
27887
27888
27889
27890
27891
27892
27893








27894
27895

27896
27897
27898
27899
27900
27901
27902
.....
28027
28028
28029
28030
28031
28032
28033
28034

28035
28036
28037
28038
28039
28040
28041
28042
28043
28044
28045
.....
28053
28054
28055
28056
28057
28058
28059

28060
28061
28062
28063
28064
28065
28066
.....
28906
28907
28908
28909
28910
28911
28912





28913
28914
28915
28916
28917
28918
28919

28920
28921
28922
28923
28924
28925
28926
28927
28928
28929
28930
28931
28932
28933
28934
28935
28936
28937
28938
28939
28940
28941
28942
28943
28944
28945
28946
28947
28948
28949
28950
28951
28952
28953
28954
28955
28956
28957
28958
.....
31151
31152
31153
31154
31155
31156
31157

31158
31159
31160
31161
31162
31163
31164
.....
31319
31320
31321
31322
31323
31324
31325
31326
31327
31328
31329
31330
31331
31332
31333
31334
31335
31336
31337
31338







































































































31339
31340
31341
31342
31343
31344
31345
.....
31408
31409
31410
31411
31412
31413
31414

31415
31416
31417
31418
31419
31420
31421
.....
31439
31440
31441
31442
31443
31444
31445

31446
31447
31448
31449
31450
31451
31452
.....
31684
31685
31686
31687
31688
31689
31690

31691
31692
31693
31694
31695
31696
31697
.....
31729
31730
31731
31732
31733
31734
31735
31736

31737
31738
31739
31740
31741
31742
31743
.....
31755
31756
31757
31758
31759
31760
31761
31762
31763
31764
31765
31766
31767
31768
31769
.....
31803
31804
31805
31806
31807
31808
31809
31810

31811
31812
31813
31814
31815
31816
31817
31818
31819
31820
.....
31834
31835
31836
31837
31838
31839
31840
31841
31842
31843
31844
31845
31846
31847
31848
31849
31850
31851
.....
31859
31860
31861
31862
31863
31864
31865

31866
31867
31868
31869
31870
31871
31872
31873
31874
31875
31876
31877





31878
31879
31880
31881
31882
31883
31884
31885
31886
31887
31888
31889
31890
31891
31892
31893
31894
31895
31896
31897
31898
31899


31900
31901
31902
31903
31904
31905
31906
31907
31908
31909
31910
.....
31917
31918
31919
31920
31921
31922
31923
31924
31925
31926
31927
31928
31929
31930
31931
.....
31956
31957
31958
31959
31960
31961
31962

31963
31964
31965
31966
31967
31968
31969
.....
31974
31975
31976
31977
31978
31979
31980
31981
31982

31983
31984
31985
31986
31987
31988
31989
.....
32176
32177
32178
32179
32180
32181
32182
32183
32184
32185
32186
32187
32188
32189
32190
.....
32491
32492
32493
32494
32495
32496
32497

32498
32499
32500
32501
32502
32503
32504
.....
32533
32534
32535
32536
32537
32538
32539
32540
32541
32542
32543
32544
32545
32546
32547
.....
32792
32793
32794
32795
32796
32797
32798
32799
32800
32801
32802
32803
32804
32805
32806
32807
32808
32809
32810
32811
32812
32813
32814
32815
32816
32817
32818
32819
32820
.....
32843
32844
32845
32846
32847
32848
32849
32850
32851
32852
32853
32854
32855
32856
32857
.....
32925
32926
32927
32928
32929
32930
32931
32932
32933
32934
32935
32936
32937
32938
32939
.....
33005
33006
33007
33008
33009
33010
33011
33012
33013
33014
33015
33016
33017
33018
33019
33020
33021
33022
33023
33024
33025
33026
33027
33028
33029
33030
33031
33032
33033
33034
33035
33036
33037
33038
33039
33040
33041
33042
33043
33044
33045
33046
33047
33048
33049
33050
33051
33052
33053
33054
33055
33056
33057
33058
33059
33060
33061
33062
33063
33064
33065
33066
33067
33068
33069
33070
33071
33072
33073
33074
33075
33076
33077
33078
33079
33080
.....
33238
33239
33240
33241
33242
33243
33244

33245
33246
33247
33248
33249
33250
33251
.....
33341
33342
33343
33344
33345
33346
33347
33348

33349
33350
33351
33352
33353
33354
33355
.....
33381
33382
33383
33384
33385
33386
33387

33388
33389
33390
33391
33392
33393
33394
.....
33444
33445
33446
33447
33448
33449
33450







33451
33452
33453
33454
33455
33456
33457
.....
34485
34486
34487
34488
34489
34490
34491







34492
34493
34494
34495
34496
34497
34498
.....
35395
35396
35397
35398
35399
35400
35401
35402
35403
35404
35405
35406
35407
35408
35409
.....
36256
36257
36258
36259
36260
36261
36262

36263
36264
36265
36266
36267
36268
36269
.....
36281
36282
36283
36284
36285
36286
36287
36288
36289
36290



36291
36292
36293
36294
36295
36296
36297
.....
40632
40633
40634
40635
40636
40637
40638


40639
40640
40641
40642
40643
40644
40645
.....
40662
40663
40664
40665
40666
40667
40668

40669
40670
40671
40672
40673
40674
40675
40676






40677
40678
40679
40680
40681
40682
40683
.....
40702
40703
40704
40705
40706
40707
40708
40709
40710
40711
40712
40713
40714
40715
40716
.....
40724
40725
40726
40727
40728
40729
40730
40731
40732

40733
40734

40735
40736
40737
40738

40739
40740
40741
40742
40743
40744
40745
.....
42076
42077
42078
42079
42080
42081
42082
42083
42084
42085
42086
42087
42088
42089
42090
42091
.....
42940
42941
42942
42943
42944
42945
42946

42947
42948
42949
42950
42951
42952
42953
.....
43031
43032
43033
43034
43035
43036
43037
43038

43039
43040
43041
43042
43043
43044
43045
.....
43563
43564
43565
43566
43567
43568
43569

43570
43571
43572
43573
43574
43575
43576
43577
43578
43579
43580
43581
43582
43583
43584
.....
43586
43587
43588
43589
43590
43591
43592







43593
43594
43595
43596
43597
43598
43599
.....
43679
43680
43681
43682
43683
43684
43685




43686
43687
43688
43689
43690
43691
43692
.....
44385
44386
44387
44388
44389
44390
44391

44392
44393
44394
44395
44396
44397
44398
.....
44417
44418
44419
44420
44421
44422
44423

44424
44425
44426
44427
44428
44429
44430
44431
44432
44433
44434
44435
44436
44437
44438
44439
44440
44441
44442
44443







44444
44445
44446
44447
44448
44449
44450
.....
45058
45059
45060
45061
45062
45063
45064






45065
45066
45067
45068
45069
45070
45071
45072
45073
45074
45075
45076
45077
45078
45079

45080
45081
45082
45083
45084
45085
45086
.....
45259
45260
45261
45262
45263
45264
45265

45266

45267
45268
45269
45270
45271
45272
45273
45274
45275
45276
45277
45278
45279
45280
45281
45282
45283
45284
45285
45286
45287
45288
.....
45673
45674
45675
45676
45677
45678
45679


















45680
45681
45682
45683
45684
45685
45686
.....
45898
45899
45900
45901
45902
45903
45904

45905
45906
45907
45908
45909
45910
45911
.....
47778
47779
47780
47781
47782
47783
47784

47785
47786
47787
47788
47789
47790
47791
.....
47817
47818
47819
47820
47821
47822
47823





47824
47825
47826
47827
47828
47829
47830
.....
47841
47842
47843
47844
47845
47846
47847


47848
47849
47850
47851
47852
47853
47854
.....
48678
48679
48680
48681
48682
48683
48684

48685
48686
48687
48688
48689
48690
48691
48692
48693
48694
48695
48696
48697
48698
.....
48706
48707
48708
48709
48710
48711
48712

48713
48714
48715
48716
48717
48718
48719
.....
48724
48725
48726
48727
48728
48729
48730
48731
48732
48733
48734
48735
48736
48737
48738
.....
51435
51436
51437
51438
51439
51440
51441
51442
51443
51444
51445
51446
51447
51448
51449
.....
51451
51452
51453
51454
51455
51456
51457
51458
51459
51460
51461
51462
51463
51464
51465

51466
51467
51468
51469
51470
51471
51472
.....
51541
51542
51543
51544
51545
51546
51547
51548
51549
51550
51551
51552
51553
51554
51555
.....
52374
52375
52376
52377
52378
52379
52380
52381
52382
52383
52384

52385
52386
52387
52388
52389
52390
52391
.....
52402
52403
52404
52405
52406
52407
52408
52409
52410
52411


52412
52413
52414
52415
52416
52417
52418
.....
52444
52445
52446
52447
52448
52449
52450

52451
52452
52453
52454
52455
52456
52457
.....
52494
52495
52496
52497
52498
52499
52500
52501
52502
52503



52504
52505
52506
52507
52508
52509
52510
.....
52541
52542
52543
52544
52545
52546
52547

52548
52549
52550
52551
52552
52553
52554
52555
52556
52557
52558
.....
52998
52999
53000
53001
53002
53003
53004

53005
53006
53007
53008
53009
53010











53011
53012
53013
53014
53015
53016
53017
.....
57152
57153
57154
57155
57156
57157
57158
57159
57160
57161
57162
57163
57164
57165
57166
57167
57168
57169
57170
57171
57172
.....
57196
57197
57198
57199
57200
57201
57202














57203
57204
57205
57206
57207
57208
57209
.....
58387
58388
58389
58390
58391
58392
58393








































58394

58395
58396
58397
58398
58399
58400







58401
58402
58403
58404
58405
58406
58407
58408


58409
58410
58411
58412
58413
58414
58415
58416
58417

58418
58419
58420









58421
58422


58423






58424
58425
58426
58427
58428
58429
58430
58431
58432
58433
58434
58435
58436
58437
58438
58439
58440
58441
58442
58443
58444
58445
58446
58447
58448
58449
58450
58451
58452
58453
58454
58455
58456
58457
58458
58459
58460

58461
58462
58463
58464
58465
58466
58467
58468
58469
58470
58471
58472
58473
58474
58475
58476
58477
58478
58479
58480
58481
58482
58483
58484
58485
58486
58487
58488
58489
58490
58491
58492
58493
58494





58495
58496
58497
58498
58499
58500
58501
58502
58503
58504
58505
58506
58507
58508
58509
58510
58511
58512
58513
58514
58515
58516
58517
58518
58519
58520
58521
58522
58523
58524
58525
58526
58527
58528

58529
58530
58531
58532
58533
58534
58535
.....
58795
58796
58797
58798
58799
58800
58801

58802
58803
58804
58805
58806
58807
58808
.....
59008
59009
59010
59011
59012
59013
59014









59015
59016
59017
59018
59019
59020
59021
.....
59188
59189
59190
59191
59192
59193
59194
59195
59196
59197
59198
59199
59200
59201
59202
59203
59204
59205
59206
59207
59208
59209
59210
59211
59212
.....
59391
59392
59393
59394
59395
59396
59397

59398
59399
59400
59401
59402
59403
59404
59405

59406
59407
59408
59409
59410
59411
59412
.....
59844
59845
59846
59847
59848
59849
59850
59851
59852
59853
59854
59855
59856
59857
59858
.....
59859
59860
59861
59862
59863
59864
59865

59866
59867
59868
59869
59870
59871
59872
59873
59874
59875
59876
59877
59878

59879
59880
59881
59882
59883
59884
59885
.....
59925
59926
59927
59928
59929
59930
59931
59932
59933
59934
59935
59936
59937
59938
59939
.....
60307
60308
60309
60310
60311
60312
60313
60314
60315
60316
60317
60318
60319
60320
60321
.....
60664
60665
60666
60667
60668
60669
60670








60671
60672
60673
60674
60675
60676
60677
.....
60682
60683
60684
60685
60686
60687
60688
60689
60690
60691
60692
60693
60694
60695
60696
.....
61372
61373
61374
61375
61376
61377
61378
61379
61380
61381
61382
61383
61384
61385
61386
61387
61388
61389
61390
61391
61392
61393
61394
61395
61396
61397
61398
61399
61400
61401
61402
61403
61404
61405
61406
61407
61408
61409
61410
61411
61412
61413
61414
61415
61416
61417
61418
61419
61420
61421
61422
61423
61424
61425
61426
61427
61428
61429
61430
61431
61432
61433
61434
61435
61436
61437
61438
61439
.....
62340
62341
62342
62343
62344
62345
62346

62347
62348
62349
62350
62351
62352
62353
.....
62748
62749
62750
62751
62752
62753
62754

62755
62756
62757
62758
62759
62760
62761
.....
62981
62982
62983
62984
62985
62986
62987
62988
62989
62990
62991
62992
62993
62994
62995
.....
63018
63019
63020
63021
63022
63023
63024

63025
63026
63027
63028
63029
63030
63031
.....
63173
63174
63175
63176
63177
63178
63179

63180
63181
63182
63183
63184
63185
63186
.....
63590
63591
63592
63593
63594
63595
63596

63597
63598
63599
63600
63601
63602
63603
63604
63605
63606
63607
63608
63609
63610
63611
63612
63613
63614
63615










63616
63617
63618
63619
63620
63621
63622
.....
63913
63914
63915
63916
63917
63918
63919
63920
63921
63922
63923
63924
63925
63926
63927
63928
63929
63930
63931
63932
63933
63934
63935
63936
63937
63938
63939
.....
63963
63964
63965
63966
63967
63968
63969
63970
63971
63972
63973
63974
63975
63976
63977
63978
63979
63980
63981
63982
63983
63984
63985
.....
64210
64211
64212
64213
64214
64215
64216
64217
64218
64219
64220
64221
64222
64223
64224
64225
64226
64227
64228
64229
64230
.....
64796
64797
64798
64799
64800
64801
64802











64803
64804
64805
64806
64807
64808
64809
.....
64903
64904
64905
64906
64907
64908
64909





64910
64911
64912
64913
64914
64915
64916
.....
65042
65043
65044
65045
65046
65047
65048



65049

65050
65051
65052
65053
65054
65055
65056
.....
65363
65364
65365
65366
65367
65368
65369
65370
65371
65372
65373
65374
65375
65376
65377
.....
65850
65851
65852
65853
65854
65855
65856
65857
65858
65859
65860
65861
65862
65863
65864
.....
65928
65929
65930
65931
65932
65933
65934
65935
65936
65937
65938
65939
65940
65941
65942
.....
66037
66038
66039
66040
66041
66042
66043
66044
66045
66046
66047
66048
66049
66050
66051
.....
66149
66150
66151
66152
66153
66154
66155
66156
66157
66158
66159
66160
66161
66162
66163
.....
66570
66571
66572
66573
66574
66575
66576
66577
66578
66579
66580
66581
66582
66583
66584
.....
67275
67276
67277
67278
67279
67280
67281
67282
67283
67284
67285
67286
67287
67288
67289
.....
68086
68087
68088
68089
68090
68091
68092



68093
68094
68095
68096
68097

68098
68099
68100
68101
68102
68103
68104
68105
68106

68107

68108
68109
68110
68111
68112







68113

68114
68115
68116
68117
68118
68119
68120
.....
68158
68159
68160
68161
68162
68163
68164

68165
68166
68167
68168
68169
68170
68171
68172
68173
68174
68175


68176
68177
68178
68179
68180
68181
68182
68183
68184
68185
68186
.....
68256
68257
68258
68259
68260
68261
68262

68263
68264
68265
68266
68267
68268
68269
.....
68596
68597
68598
68599
68600
68601
68602



68603
68604
68605
68606
68607
68608
68609
68610
.....
71163
71164
71165
71166
71167
71168
71169



71170
71171
71172
71173
71174
71175
71176
71177
71178
71179
71180
71181
71182

71183
71184
71185
71186
71187
71188
71189
71190
71191
71192
71193
71194
71195
71196
71197
71198
71199
71200
71201
71202
71203
71204

71205
71206
71207

71208
71209
71210
71211
71212

71213
71214
71215
71216
71217
71218
71219
71220
71221
71222
71223
.....
72953
72954
72955
72956
72957
72958
72959


72960
72961
72962
72963
72964
72965
72966
72967
.....
74723
74724
74725
74726
74727
74728
74729
74730
74731
74732
74733
74734
74735
74736
74737
74738
74739
74740
74741
74742
74743
74744
.....
75984
75985
75986
75987
75988
75989
75990



75991
75992

75993
75994
75995
75996
75997
75998
75999
.....
76038
76039
76040
76041
76042
76043
76044
76045








76046


76047
76048
76049
76050
76051
76052
76053
.....
76910
76911
76912
76913
76914
76915
76916
76917
76918
76919
76920
76921
76922
76923
76924
76925
76926
.....
78331
78332
78333
78334
78335
78336
78337
78338
78339
78340
78341
78342
78343
78344
78345
78346
.....
79529
79530
79531
79532
79533
79534
79535
79536
79537
79538
79539
79540
79541
79542
79543
79544
79545
.....
80153
80154
80155
80156
80157
80158
80159
80160
80161
80162
80163
80164
80165
80166
80167
.....
81329
81330
81331
81332
81333
81334
81335

81336
81337
81338
81339
81340
81341
81342
.....
81563
81564
81565
81566
81567
81568
81569






81570
81571
81572
81573
81574
81575
81576
81577
81578
.....
82076
82077
82078
82079
82080
82081
82082
82083
82084
82085
82086
82087
82088
82089
82090
82091
82092
82093
.....
82122
82123
82124
82125
82126
82127
82128
82129
82130
82131
82132
82133
82134
82135
82136
82137
82138
.....
82178
82179
82180
82181
82182
82183
82184
82185
82186
82187
82188
82189
82190
82191
82192
.....
82254
82255
82256
82257
82258
82259
82260
82261
82262
82263
82264
82265
82266
82267
82268
.....
82343
82344
82345
82346
82347
82348
82349















82350
82351
82352
82353
82354
82355
82356
.....
83111
83112
83113
83114
83115
83116
83117

83118
83119
83120
83121
83122
83123
83124
.....
83549
83550
83551
83552
83553
83554
83555
83556






83557
83558
83559
83560
83561





83562

83563
83564
83565
83566
83567
83568
83569
.....
85323
85324
85325
85326
85327
85328
85329

85330
85331
85332
85333
85334
85335
85336
.....
86087
86088
86089
86090
86091
86092
86093












86094
86095
86096
86097
86098
86099
86100
.....
87420
87421
87422
87423
87424
87425
87426
87427
87428
87429
87430
87431
87432
87433
87434
87435
87436
87437
.....
87456
87457
87458
87459
87460
87461
87462
87463
87464
87465






87466
87467
87468
87469
87470
87471
87472
.....
87626
87627
87628
87629
87630
87631
87632
87633
87634
87635
87636
87637
87638
87639
87640
.....
87840
87841
87842
87843
87844
87845
87846
87847
87848
87849
87850
87851
87852
87853
87854
.....
88440
88441
88442
88443
88444
88445
88446
88447
88448
88449
88450
88451
88452
88453
88454
88455
88456
88457
88458
88459
88460
88461
88462
88463
88464
88465
88466
88467
88468
.....
94031
94032
94033
94034
94035
94036
94037


94038
94039
94040
94041
94042
94043
94044
94045
94046
94047
94048
94049
94050
.....
94758
94759
94760
94761
94762
94763
94764
94765
94766
94767
94768
94769
94770
94771
94772
94773
94774
.....
95593
95594
95595
95596
95597
95598
95599
95600

95601
95602
95603
95604
95605
95606
95607
.....
95813
95814
95815
95816
95817
95818
95819
95820
95821
95822
95823
95824
95825
95826
95827
.....
95837
95838
95839
95840
95841
95842
95843
95844
95845
95846
95847
95848
95849
95850
95851
.....
96167
96168
96169
96170
96171
96172
96173
96174

96175
96176
96177
96178
96179
96180
96181
.....
96224
96225
96226
96227
96228
96229
96230

96231
96232
96233
96234
96235
96236
96237
.....
96597
96598
96599
96600
96601
96602
96603












96604
96605
96606
96607
96608
96609
96610
.....
96625
96626
96627
96628
96629
96630
96631

96632
96633
96634
96635
96636
96637
96638
96639
96640
96641
96642
96643
96644
96645
.....
96954
96955
96956
96957
96958
96959
96960
96961
96962
96963
96964
96965
96966
96967
96968
.....
97017
97018
97019
97020
97021
97022
97023

97024
97025
97026
97027
97028
97029
97030
.....
97036
97037
97038
97039
97040
97041
97042

97043
97044
97045
97046
97047

97048

97049
97050
97051
97052
97053
97054
97055
.....
97057
97058
97059
97060
97061
97062
97063
97064
97065
97066
97067
97068
97069
97070
97071
.....
97105
97106
97107
97108
97109
97110
97111
97112
97113
97114
97115
97116
97117
97118
97119
.....
97146
97147
97148
97149
97150
97151
97152
97153
97154

97155
97156
97157
97158
97159
97160
97161
97162
97163
97164
.....
97165
97166
97167
97168
97169
97170
97171








97172
97173
97174
97175
97176
97177
97178
97179
97180
97181
97182
.....
97206
97207
97208
97209
97210
97211
97212


97213

97214
97215
97216
97217
97218
97219
97220
.....
97225
97226
97227
97228
97229
97230
97231
97232
97233
97234
97235
97236
97237
97238
97239
97240
.....
97253
97254
97255
97256
97257
97258
97259
97260
97261
97262
97263
97264
97265
97266
97267
.....
97323
97324
97325
97326
97327
97328
97329

97330
97331
97332
97333
97334
97335
97336
.....
97405
97406
97407
97408
97409
97410
97411
97412
97413
97414
97415
97416
97417
97418
97419
97420



97421
97422
97423

















































97424
97425
97426
97427
97428
97429
97430
.....
97519
97520
97521
97522
97523
97524
97525



















































97526
97527
97528
97529
97530
97531
97532
......
106567
106568
106569
106570
106571
106572
106573
106574
106575
106576
106577
106578
106579
106580
106581
106582
106583
106584
106585
106586
106587
......
106626
106627
106628
106629
106630
106631
106632
106633
106634
106635
106636
106637
106638
106639
106640
106641
106642
......
106722
106723
106724
106725
106726
106727
106728

106729
106730
106731
106732
106733
106734
106735
106736
......
107541
107542
107543
107544
107545
107546
107547





107548
107549
107550
107551
107552
107553
107554
......
108900
108901
108902
108903
108904
108905
108906
108907
108908






































































































































































































































108909
108910
108911
108912
108913
108914
108915
108916
108917
108918
108919
108920


108921


108922
108923
108924
108925
108926
108927
108928
......
108938
108939
108940
108941
108942
108943
108944
108945
108946
108947
108948
108949
108950
108951
108952
......
109019
109020
109021
109022
109023
109024
109025
109026
109027
109028
109029
109030
109031
109032
109033
109034
109035
109036
109037
109038
109039
......
109048
109049
109050
109051
109052
109053
109054
109055
109056









109057
109058
109059
109060
109061
109062
109063
109064
......
109143
109144
109145
109146
109147
109148
109149

109150
109151
109152
109153
109154
109155
109156
......
109174
109175
109176
109177
109178
109179
109180
109181
109182
109183
109184
109185
109186
109187
109188
......
109779
109780
109781
109782
109783
109784
109785











109786
109787
109788
109789
109790






















109791
109792
109793
109794
109795
109796
109797
......
110414
110415
110416
110417
110418
110419
110420
110421
110422
110423
110424
110425
110426
110427
110428
110429
110430
110431
110432
110433
......
110435
110436
110437
110438
110439
110440
110441
110442
110443
110444
110445
110446
110447
110448
110449










110450
110451
110452
110453
110454
110455
110456
......
110741
110742
110743
110744
110745
110746
110747





110748
110749
110750
110751
110752
110753


















110754
110755
110756
110757
110758
110759
110760
......
110786
110787
110788
110789
110790
110791
110792

110793
110794
110795
110796






110797
110798













110799
110800
110801
110802
110803
110804

110805
110806
110807
110808
110809
110810
110811
110812
110813
110814
110815
......
110822
110823
110824
110825
110826
110827
110828
110829
110830
110831
110832
110833
110834
110835
110836

110837
110838
110839
110840


110841
110842
110843
110844
110845
110846





110847





110848
110849
110850
110851










110852
110853
110854
110855
110856
110857
110858
......
110865
110866
110867
110868
110869
110870
110871

110872
110873

110874
110875
110876
110877
110878
110879
110880
......
110897
110898
110899
110900
110901
110902
110903












110904
110905
110906
110907
110908
110909
110910
110911
110912
110913
110914
110915
110916
110917
110918
110919
110920

110921


110922

110923
110924
110925





110926


110927
110928
110929
110930
110931
110932
110933
110934
110935
110936
110937
110938
110939
110940
110941
110942
110943
110944








110945
110946
110947
110948
110949
110950
110951
110952
110953
110954
110955
110956


110957
110958
110959

110960
110961
110962
110963
110964
110965
110966
......
110980
110981
110982
110983
110984
110985
110986
110987

110988
110989
110990
110991
110992
110993
110994
110995
110996
110997
110998
110999
111000
111001
111002
111003

111004
111005
111006
111007
111008
111009

111010
111011
111012
111013
111014
111015
111016
111017
111018
......
111021
111022
111023
111024
111025
111026
111027
111028
111029
111030
111031
111032
111033
111034
111035
111036



111037
111038


111039
111040
111041
111042
111043
111044
111045
......
111046
111047
111048
111049
111050
111051
111052

111053
111054
111055
111056
111057
111058
111059
111060
111061
111062
111063
111064
......
111074
111075
111076
111077
111078
111079
111080

111081
111082
111083
111084
111085
























111086
111087
111088
111089





111090
111091
111092
111093
111094
111095
111096
......
111196
111197
111198
111199
111200
111201
111202
111203
111204
111205
111206



111207



111208
111209









111210
111211
111212
111213


111214
111215
111216
111217
111218
111219
111220
......
111299
111300
111301
111302
111303
111304
111305


111306
111307
111308
111309
111310
111311
111312
......
111405
111406
111407
111408
111409
111410
111411



111412
111413
111414
111415
111416
111417
111418
......
111577
111578
111579
111580
111581
111582
111583




















































111584
111585
111586
111587
111588
111589
111590
......
111610
111611
111612
111613
111614
111615
111616
111617
111618
111619
111620








111621
111622
111623
111624
111625
111626
111627
111628
111629
......
111656
111657
111658
111659
111660
111661
111662













111663
111664
111665





111666
111667
111668
111669




111670



111671
111672
111673
111674











111675
111676
111677




111678
111679
111680






111681
111682
111683




111684

111685
111686
111687
111688
111689
111690
111691
......
111701
111702
111703
111704
111705
111706
111707




111708


111709
111710
111711

111712
111713
111714
111715
111716
111717
111718
......
111719
111720
111721
111722
111723
111724
111725
111726
111727
111728
111729








111730
111731

111732
111733
111734
111735
111736
111737
111738
111739
111740
111741
111742
111743
111744
111745
111746
111747
111748
111749
111750
111751
......
111764
111765
111766
111767
111768
111769
111770
111771
111772
111773
111774

111775
111776
111777
111778
111779


111780
111781
111782
111783
111784
111785
111786
111787
111788
111789

111790
111791
111792
111793
111794
111795
111796
......
111868
111869
111870
111871
111872
111873
111874

















111875
111876
111877
111878
111879
111880
111881
......
111903
111904
111905
111906
111907
111908
111909

111910
111911
111912
111913
111914
111915
111916
111917
111918
111919
111920
111921
111922

111923
111924
111925
111926
111927
111928
111929
111930
111931
111932
111933
111934
111935
111936
111937
111938
111939
......
111985
111986
111987
111988
111989
111990
111991
111992
111993
111994
111995
111996
111997
111998
111999
......
112003
112004
112005
112006
112007
112008
112009
112010
112011
112012
112013
112014
112015
112016
112017
......
112096
112097
112098
112099
112100
112101
112102
112103
112104
112105
112106
112107
112108
112109
112110
112111
112112
112113
112114
112115
112116
112117
112118
112119
112120
......
112482
112483
112484
112485
112486
112487
112488
112489












112490
112491
112492
112493
112494
112495
112496
112497
112498
112499
112500
112501
112502
112503
112504
112505
112506
112507
112508
112509
112510
112511
112512
112513
112514
112515
112516
112517
112518
112519
112520
112521
112522
112523
112524
112525
112526
112527
112528
112529
112530
112531
112532
112533


112534
112535
112536
112537
112538
112539
112540
112541
112542




112543
112544
112545
112546
112547
112548
112549


112550
112551
112552
112553




































112554
112555
112556
112557
112558
112559
112560

112561
112562
112563
112564

112565
112566
112567
112568
112569
112570


112571
112572
112573
112574
112575

112576
112577
112578
112579
112580
112581
112582
112583
112584


112585
112586
112587
112588

112589
112590
112591
112592
112593
112594
112595


112596
112597
112598
112599
112600
112601
112602
112603
112604
112605
112606
112607
112608
112609
112610
112611
112612
112613
112614
112615
112616
112617
112618
112619
112620
112621
112622
112623
112624
112625
112626
112627
112628
112629
112630
112631
112632
112633
112634
112635
112636
112637
112638
112639

112640
112641

112642
112643
112644
112645
112646
112647
112648
112649
112650
112651
112652
112653
112654
112655
112656
112657
112658
112659
112660
112661
112662
112663
112664
112665
112666
112667
112668
112669


112670

112671


112672
112673
112674
112675
112676
112677

112678



112679
112680
112681
112682


112683
112684
112685

112686
112687
112688


112689


112690
112691
112692
112693
112694
112695
112696
112697
112698
112699
112700
112701
112702
112703
112704

112705
112706
112707
112708
112709
112710
112711
112712
112713
112714
112715
112716
112717
112718
112719
112720
112721
112722
112723
112724
112725
112726
112727
112728
112729
112730
112731
112732
112733
112734
112735
112736
112737
112738
112739
112740
......
112741
112742
112743
112744
112745
112746
112747
112748
112749
112750
112751
112752
112753
112754
112755
112756


112757
112758
112759
112760
112761
112762
112763
......
112785
112786
112787
112788
112789
112790
112791
112792
112793
112794
112795
112796
112797
112798
112799
112800
112801
112802
112803
112804
112805
112806
112807
112808
112809
112810
112811
112812
112813
112814
112815



112816
112817

112818
112819
112820
112821
112822
112823
112824
112825
112826
112827
112828
112829
112830
112831
112832
112833
112834
112835
112836
112837
112838
112839
112840
112841

112842
112843
112844



112845
112846
112847
112848
112849
112850


112851
112852
112853
112854
112855
112856
112857
112858
112859

112860
112861
112862
112863
112864
112865
112866
112867
112868
112869

112870

112871
112872
112873
112874
112875

112876
112877
112878
112879
112880
112881
112882
112883
112884
112885
112886
112887
112888
112889
112890
112891
112892
112893
112894
112895
112896
112897
112898
112899
112900
112901
112902





112903

112904
112905
112906
112907
112908
112909
112910
112911
112912
112913
112914

112915
112916
112917
112918
112919
112920
112921

112922

112923
112924
112925
112926
112927
112928
112929
112930
112931
112932
112933
112934
112935
112936
112937
112938
112939
112940
112941
112942
112943
112944
112945
112946
112947
112948
112949
112950
112951
112952
112953
112954
112955
112956
112957
112958
112959
112960
112961
112962
112963
112964
112965
112966
112967
112968






















112969






112970















112971
112972
112973
112974
112975
112976
112977
112978
112979
112980
112981
112982
112983

112984





112985
112986

112987








112988







112989



112990
112991
112992
112993
112994
112995
112996
112997
112998
112999
113000
113001
113002
113003
113004
113005
......
113016
113017
113018
113019
113020
113021
113022
113023
113024
113025
113026
113027
113028
113029
113030
......
113042
113043
113044
113045
113046
113047
113048
113049
113050
113051
113052
113053
113054
113055
113056
......
113092
113093
113094
113095
113096
113097
113098
113099
113100
113101
113102
113103
113104
113105
113106
113107
113108
113109
113110
113111
113112
113113
113114
113115
113116
113117
113118
113119
113120
113121
113122
113123
113124
113125
113126
113127
113128
113129
113130
113131
113132
113133
113134
113135
113136
113137
113138
113139
113140
113141
113142
113143
113144
113145
113146
113147
113148
113149
113150
113151
113152
113153
113154
113155
113156
113157
113158
113159
113160
113161
113162
113163
113164
113165
113166
113167
113168
113169
113170
113171
113172
113173
113174
113175
113176
113177
113178
113179
113180
113181
113182
113183
113184
113185
113186
113187
113188
113189
113190
113191
113192
113193
113194
113195
113196
113197
113198
113199
113200
113201
113202
113203
113204
113205
113206
113207
113208
113209
113210
113211
113212
113213
113214
113215
113216
113217
113218
113219
113220
113221
113222
113223
113224
113225
113226
113227
113228
113229
113230
113231
113232
113233
113234
113235
113236
113237
113238
113239
113240
113241
113242
113243
113244
113245
113246
113247
113248
113249
113250
113251
113252
113253
113254
113255
113256
113257
113258
113259
113260
113261
113262
113263
113264
113265
113266
113267
113268
113269
113270
113271
113272
113273
113274
113275
113276
113277
113278
113279
113280
113281
113282
113283
113284
113285
113286
113287
113288
113289
113290
113291
113292
113293
113294
113295
113296
113297
113298
113299
113300
113301
113302
113303
113304
113305
113306
113307
113308
113309
113310
113311
113312
113313
113314
113315
113316
113317
113318
113319
113320
113321
113322
113323
113324
113325
113326
113327
113328
113329
113330
113331
113332
113333
113334
113335
113336
113337
113338
113339
113340
113341
113342
113343
113344
113345
113346
113347
113348
113349
113350
113351
113352
113353
113354
113355
113356
113357
113358
113359
113360
113361
113362
113363
113364
113365
113366
113367
113368
113369
113370
113371
113372
113373
113374
113375
113376
113377
113378
113379
113380
113381
113382
113383
113384
113385
113386
113387
113388
113389
113390
113391
113392
113393
113394
113395
113396
113397
113398
113399
113400
113401
113402
113403
113404
113405
113406
113407
113408
113409
113410
113411
113412
113413
113414
113415
113416
113417
113418
113419
113420
113421
113422
113423
113424
113425
113426
113427
113428
113429
113430
113431
113432
113433
113434
113435
113436
113437
113438
113439
113440
113441
113442
113443
113444
113445
113446
113447
113448
113449
113450
113451
113452
113453
113454
113455
113456
113457
113458
113459
113460
113461
113462
113463
113464
113465
113466
113467
113468
113469
113470
113471
113472
113473
113474
113475
113476
113477
113478
113479
113480
113481
113482
113483
113484
113485
113486
113487
113488
113489
113490
113491
113492
113493
113494
113495
113496
113497
113498
113499
113500
113501
113502
113503
113504
113505
113506
113507
113508
113509
113510
113511
113512
113513
113514
113515
113516
113517
113518
113519
113520
113521
113522
113523
113524
113525
113526
113527
113528
113529
113530
113531
113532
113533
113534
113535
113536
113537
113538
113539
113540
113541
113542
113543
113544
113545
113546
113547
113548
113549
113550
113551
113552
113553
113554
113555
113556
113557
113558
113559
113560
113561
113562
113563
113564
113565
113566
113567
113568
113569
113570
113571
113572
113573
113574
113575
113576
113577
113578
113579
113580
113581
113582
113583
113584
113585
113586
113587
113588
113589
113590
113591
113592
113593
113594
113595
113596
113597
113598
113599
113600
113601
113602
113603
113604
113605
113606
113607
113608
113609
113610
113611
113612
113613
113614
113615
113616
113617
113618
113619
113620
113621
113622
113623
113624
113625
113626
113627
113628
113629
113630
113631
113632
113633
113634
113635
113636
113637
113638
113639
113640
113641
113642
113643
113644
113645
113646
113647
113648
113649
113650
113651
113652
113653
113654
113655
113656
113657
113658
113659
113660
113661
113662
113663
113664
113665
113666
113667
113668
113669
113670
113671
113672
113673
113674
113675
113676
113677
113678
113679
113680
113681
113682
113683
113684
113685
113686
113687
113688
113689
113690
113691
113692
113693
113694
113695
113696
113697
113698
113699
113700
113701
113702
113703
113704
113705
113706
113707
113708
113709
113710
113711
113712
113713
113714
113715
113716
113717
113718
113719
113720
113721
113722
113723
113724
113725
113726
113727
113728
113729
113730
113731
113732
113733
113734
113735
113736
113737
113738
113739
113740
113741
113742
113743
113744
113745
113746
113747
113748
113749
113750
113751
113752
113753
113754
113755
113756
113757
113758
113759
113760
113761
113762
113763
113764
113765
113766
113767
113768
113769
113770
113771

113772
113773
113774
113775
113776

113777


113778
113779
113780
113781

113782
113783
113784
113785
113786
113787
113788
113789

113790
113791
113792
113793
113794
113795
113796
......
113809
113810
113811
113812
113813
113814
113815
113816
113817
113818
113819
113820
113821
113822
113823
113824
113825
113826
113827
......
113832
113833
113834
113835
113836
113837
113838







113839
113840
113841
113842
113843
113844
113845
113846
113847
113848
113849
113850
113851
113852
113853
113854
113855
113856
113857
113858
113859
113860
113861

113862
113863
113864
113865
113866
113867
113868
113869
113870
113871
113872
113873


113874
113875
113876
113877




113878
113879

113880
113881
113882

113883
113884
113885
113886
113887
113888
113889
113890
113891
113892
113893
......
113899
113900
113901
113902
113903
113904
113905
113906
113907
113908
113909
113910
113911
113912
113913
113914
113915
113916
113917
113918
113919
113920
113921
113922
113923
113924
113925
113926
113927
113928
113929
113930
113931
113932
113933
113934
113935
113936
113937
113938
113939
113940
113941
113942
113943
113944
113945
113946
113947
113948
113949
113950
113951
113952
113953


113954
113955
113956
113957
113958
113959
113960
......
113978
113979
113980
113981
113982
113983
113984

113985

113986



113987
113988
113989
113990
113991
113992
113993
113994
113995

113996
113997




113998
113999
114000
114001
114002
114003
114004
114005

114006



114007
114008
114009
114010
114011
114012
114013
114014




114015
114016
114017
114018
114019
114020
114021
114022
114023
114024
114025
114026
114027
114028
114029
114030
114031
114032
114033
114034
114035
114036
114037
114038
114039
114040
114041
114042
114043
114044
114045
114046
114047
114048
114049
114050
114051
114052
114053
114054
114055
114056
114057



114058
114059
114060
114061

114062
114063
114064
114065
114066
114067
114068
114069
114070
114071
114072
114073
114074
114075
114076
114077
114078
114079
114080
114081
114082
114083
114084
114085
114086
114087
114088
114089
114090
114091
114092

114093
114094
114095
114096
114097
114098
114099
......
114317
114318
114319
114320
114321
114322
114323
114324


























114325
114326
114327
114328
114329
114330
114331
114332
114333
......
114339
114340
114341
114342
114343
114344
114345



114346
114347
114348
114349
114350
114351
114352
......
114384
114385
114386
114387
114388
114389
114390





114391
114392
114393
114394
114395
114396
114397
......
114460
114461
114462
114463
114464
114465
114466






















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































114467
114468
114469
114470
114471
114472
114473
......
114477
114478
114479
114480
114481
114482
114483
114484
114485
114486
114487
114488
114489
114490
114491
114492
114493
114494
114495
114496
114497
114498
114499
114500
114501
114502
114503
114504
114505
......
114559
114560
114561
114562
114563
114564
114565

114566
114567
114568
114569
114570
114571
114572
......
114805
114806
114807
114808
114809
114810
114811

114812
114813
114814
114815
114816
114817
114818
......
114838
114839
114840
114841
114842
114843
114844
114845
114846
114847
114848
114849
114850
114851
114852
......
114922
114923
114924
114925
114926
114927
114928
114929



114930
114931
114932
114933
114934
114935
114936
......
115014
115015
115016
115017
115018
115019
115020








115021
115022
115023
115024
115025
115026

115027
115028
115029
115030
115031
115032
115033
......
115105
115106
115107
115108
115109
115110
115111
115112
115113
115114
115115
115116
115117
115118
115119
......
115157
115158
115159
115160
115161
115162
115163






















115164
115165
115166
115167
115168
115169
115170
115171
115172
115173
115174
115175
115176
115177
115178
115179
115180
115181
115182
115183
115184
115185
115186
115187
115188
115189
115190
115191
115192
115193
115194
115195
115196
115197
115198
115199
115200
115201
115202
115203
115204
115205
115206
115207
115208
115209
115210
115211
115212
115213
115214
115215
115216
115217
115218
115219
115220
115221
115222
115223
115224
115225
115226
115227
115228
115229
115230
115231
......
115273
115274
115275
115276
115277
115278
115279


115280
115281
115282
115283
115284
115285
115286
......
115492
115493
115494
115495
115496
115497
115498
115499
115500
115501
115502
115503
115504
115505
115506
......
115510
115511
115512
115513
115514
115515
115516
115517
115518
115519
115520
115521
115522
115523
115524
......
115673
115674
115675
115676
115677
115678
115679

115680
115681

115682
115683
115684
115685
115686
115687
115688
115689
......
115732
115733
115734
115735
115736
115737
115738
115739
115740
115741
115742
115743
115744
115745
115746
......
116276
116277
116278
116279
116280
116281
116282
116283
116284
116285
116286
116287
116288
116289
116290
......
116919
116920
116921
116922
116923
116924
116925
116926
116927
116928
116929
116930


116931
116932
116933
116934
116935
116936
116937
......
117048
117049
117050
117051
117052
117053
117054
117055
117056
117057
117058
117059
117060
117061
117062
......
117413
117414
117415
117416
117417
117418
117419
117420
117421
117422
117423
117424
117425
117426
117427
......
117650
117651
117652
117653
117654
117655
117656



























117657
117658
117659
117660
117661
117662
117663
117664
117665
117666
117667
117668
117669
117670
117671
......
117688
117689
117690
117691
117692
117693
117694
117695
117696
117697
117698
117699
117700
117701
117702
......
117707
117708
117709
117710
117711
117712
117713



117714
117715
117716
117717
117718
117719
117720
117721
117722
117723
117724
117725
117726
117727


117728

117729
117730
117731
117732
117733
117734
117735
......
117759
117760
117761
117762
117763
117764
117765








117766
117767
117768
117769
117770
117771
117772
......
117789
117790
117791
117792
117793
117794
117795
117796
117797
117798
117799
117800
117801
117802
117803
117804
117805
117806





117807
117808
117809
117810
117811
117812
117813
......
117836
117837
117838
117839
117840
117841
117842

117843
117844
117845
117846
117847
117848
117849
117850
117851
117852
117853
117854
117855





117856
117857
117858
117859
117860
117861
117862
......
117905
117906
117907
117908
117909
117910
117911
117912
117913
117914
117915
117916
117917
117918
117919
......
118004
118005
118006
118007
118008
118009
118010
118011





118012
118013





118014

118015




118016

118017

118018

118019
118020
118021
118022
118023
118024
118025
......
118125
118126
118127
118128
118129
118130
118131









































118132
118133
118134
118135
118136
118137
118138
......
118155
118156
118157
118158
118159
118160
118161








118162
118163
118164
118165
118166
118167
118168
118169
118170
118171
118172
118173
118174
118175
118176
118177
118178
118179
118180
118181
118182
118183
118184
118185
118186
118187
118188
118189
118190
118191
118192
118193
118194
118195
118196
118197
118198
118199
118200
118201
118202
118203
118204
118205
118206
118207
......
118223
118224
118225
118226
118227
118228
118229
118230
118231
118232


118233

118234
118235

118236
118237

118238
118239
118240
118241
118242
118243
118244
......
118246
118247
118248
118249
118250
118251
118252
118253
118254
118255
118256
118257
118258
118259
118260
118261
118262
118263
118264
......
118355
118356
118357
118358
118359
118360
118361
118362
118363
118364
118365
118366
118367
118368
118369
118370
118371
118372
118373
118374
118375
118376
......
118388
118389
118390
118391
118392
118393
118394
118395
118396
118397
118398
118399
118400
118401
118402
......
118405
118406
118407
118408
118409
118410
118411
118412





118413
118414
118415
118416
118417
118418
118419
118420
118421
118422
118423
118424
118425
118426
118427
118428
118429
118430
118431
118432
118433
118434
118435
118436
118437
118438
118439
118440
118441
......
118468
118469
118470
118471
118472
118473
118474
118475

118476
118477
118478
118479
118480
118481
118482
......
118489
118490
118491
118492
118493
118494
118495

118496
118497
118498
118499
118500




118501
118502
118503
118504
118505
118506
118507
118508
118509
118510
118511
118512
118513
118514
118515
118516
118517
118518
118519
118520
118521
118522
118523





































118524
118525
118526
118527
118528
118529
118530





118531
118532
118533
118534
118535
118536
118537
118538
118539
118540
118541
118542
118543
118544
118545
118546
118547
118548
118549
......
118555
118556
118557
118558
118559
118560
118561


118562
118563
118564
118565
118566
118567
118568
118569
118570
118571
118572
118573

118574
118575





118576
118577
118578





118579
118580
118581
118582
118583
118584
118585
118586
118587
118588
118589
118590
118591
118592
118593
118594
118595
118596
118597
118598




118599
118600
118601
118602
118603
118604
118605
118606
118607
118608
118609
118610
118611
118612
118613
118614
118615
118616
118617
118618
118619
118620
118621
118622
118623
118624
118625











118626
118627



118628
118629
118630
118631
118632
118633
118634
118635
118636
118637
118638
118639
118640

118641
118642
118643
118644

118645
118646
118647























118648
118649
118650







118651
118652






118653
118654
118655
118656
118657
118658
118659
118660
118661
118662


118663
118664
118665
118666
118667
118668

118669
118670


118671
118672



118673
118674
118675
118676
118677
118678
118679
118680
118681
118682
118683
118684
118685
118686






118687
118688
118689
118690


118691
118692


118693
118694
118695
118696
118697
118698
118699
118700
118701




118702
118703
118704
118705
118706
118707
118708
118709
118710
118711
118712
118713
118714
118715
118716
118717
118718
118719
118720
118721
118722
118723
118724
118725
118726
118727
118728
118729
118730
118731
118732
118733
118734
118735
118736
118737
118738
118739
118740
118741
118742
118743
118744
118745
118746
118747
118748
118749
118750
118751

118752
118753
118754
118755
118756
118757
118758
118759
118760
118761

118762
118763
118764
118765
118766
118767
118768
118769
118770
118771
118772
118773

118774
118775
118776
118777
118778
118779
118780
......
118843
118844
118845
118846
118847
118848
118849















118850
118851
118852

118853
118854
118855
118856
118857
118858
118859
118860
118861

118862

118863
118864
118865
118866
118867
118868
118869
118870
118871
118872
118873
118874
......
118877
118878
118879
118880
118881
118882
118883

118884
118885
118886
118887
118888
118889
118890
118891
118892
118893
118894
118895
118896


118897
118898
118899
118900
118901
118902
118903
118904
......
118910
118911
118912
118913
118914
118915
118916
118917
118918
118919
118920
118921
118922
118923
118924
......
118970
118971
118972
118973
118974
118975
118976












118977
118978
118979
118980
118981
118982
118983
......
119502
119503
119504
119505
119506
119507
119508
119509
119510
119511
119512
119513
119514
119515
119516
119517
119518
119519
119520
119521
119522
119523
119524
119525
119526
119527
119528
119529
119530


119531
119532
119533
119534
119535
119536
119537

119538






119539
119540


119541
119542
119543
119544
119545
119546
119547
119548
119549
119550
......
119557
119558
119559
119560
119561
119562
119563

119564
119565
119566
119567
119568
119569
119570
......
119579
119580
119581
119582
119583
119584
119585
119586
119587
119588

119589



119590
119591
119592
119593
119594




119595
119596
119597
119598
119599
119600
119601
119602
119603
119604
119605
......
119639
119640
119641
119642
119643
119644
119645
























119646
119647
119648
119649




119650



















119651




119652
119653
119654












































119655
119656
119657
119658
119659
119660
119661
119662
119663
119664
119665
119666
119667
119668
119669
119670

















































119671
119672
119673



119674
119675
119676
































119677
119678
119679
119680
119681
119682
119683
119684
119685
119686
119687
119688
119689
119690
119691



119692
119693
119694
119695
119696
119697
119698
119699
119700
119701
119702
119703
119704
119705
119706
119707
119708
119709
119710
......
119735
119736
119737
119738
119739
119740
119741

119742


119743




119744

119745
119746
119747
119748
119749
119750
119751
119752
119753
119754
119755
119756
119757
119758
119759
119760
119761
119762
119763
119764
119765
119766
119767
119768
119769
119770
119771
119772
119773
119774
119775
119776
119777
119778












119779
119780
119781
119782
119783
119784
119785
119786
119787
119788
119789
119790
119791
119792
119793
119794
119795
119796
119797
119798
119799
119800
119801
119802
119803
119804
119805
119806
119807
119808
119809
119810
119811
119812
119813

119814
119815
119816
119817
119818
119819
119820
119821
119822
......
119835
119836
119837
119838
119839
119840
119841
119842
119843
119844
119845
119846
119847
119848

119849







119850
119851
119852
119853
119854
119855
119856
119857
119858
119859
119860
119861
119862
119863





119864
119865
119866
119867
119868
119869
119870
119871
119872
119873
119874

119875
119876
119877
119878
119879
119880
119881
119882
119883
119884
119885
119886
119887
119888
119889

119890
119891

119892
119893
119894
119895
119896
119897
119898
119899
119900
119901
119902
119903
119904



119905




119906
119907
119908
119909
119910
119911
119912
......
120048
120049
120050
120051
120052
120053
120054

















120055
120056
120057
120058
120059
120060
120061
......
120065
120066
120067
120068
120069
120070
120071
120072
120073
120074
120075
120076
120077
120078
120079
120080
120081
120082
120083
120084
120085
120086
120087
120088
120089
120090
120091
120092
120093
120094
120095
120096
120097
120098
120099
120100
120101
120102
120103
120104
120105
120106
120107
120108
120109
120110
120111
120112
120113
120114
120115
120116
120117
120118
120119
120120
120121
120122
120123
120124
120125
120126
120127
120128
120129
120130
120131
120132
120133
120134
120135
120136
120137
120138
120139
120140
120141
120142
120143
120144
120145
120146
120147
120148
120149
120150
120151
120152
120153
120154
120155
120156
120157
120158
120159
......
120209
120210
120211
120212
120213
120214
120215



























120216
120217
120218
120219
120220
120221
120222
......
120235
120236
120237
120238
120239
120240
120241


































120242
120243
120244
120245
120246
120247
120248
......
120250
120251
120252
120253
120254
120255
120256
120257
120258
120259

120260
120261












120262
120263
120264
120265



120266
120267
120268
120269

















120270
120271
120272
120273
120274
120275
120276
120277


















120278

120279
120280

120281
120282
120283
120284
120285
120286
120287
120288
120289
120290
120291





120292
120293
120294




120295
120296
120297
120298

120299


120300
120301
120302
120303
120304
120305
120306
......
120309
120310
120311
120312
120313
120314
120315

120316
120317
120318
120319
120320
120321
120322
......
120323
120324
120325
120326
120327
120328
120329
120330
120331
120332
120333
120334
120335
120336
120337
120338
120339
120340
120341
120342
......
120517
120518
120519
120520
120521
120522
120523
120524
120525
120526
120527
120528
120529
120530
120531
120532
120533
120534
120535
120536
120537
120538
120539
120540
120541
120542
120543
120544
120545
120546
120547
120548
120549
120550
120551
120552
120553
120554
120555
120556
120557
120558
120559
120560
120561
120562
120563
120564
120565
120566
120567
120568
120569
120570
120571
120572
120573
120574
120575

120576
120577
120578
120579
120580
120581
120582
120583
120584
120585
120586
120587
120588
120589
120590
120591
120592
120593
120594
120595
120596
......
120756
120757
120758
120759
120760
120761
120762
120763
120764
120765
120766
120767
120768
120769
120770
......
121113
121114
121115
121116
121117
121118
121119
121120
121121
121122
121123
121124
121125
121126
121127
121128
121129
121130
121131
121132
121133
121134
121135
121136
121137
121138
121139
121140
121141
121142
121143
121144
121145
121146
......
121166
121167
121168
121169
121170
121171
121172
121173
121174
121175
121176
121177
121178
121179
121180
121181
121182
121183
121184
121185
121186
121187
121188
121189
121190
121191
121192
121193
121194
121195
121196
121197
121198
121199
121200
121201
121202
121203
121204
121205
121206
121207
121208
121209
121210
121211
121212
121213
121214

121215
121216
121217
121218
121219
121220
121221
......
121224
121225
121226
121227
121228
121229
121230
121231
121232
121233
121234
121235
121236
121237
121238
121239
121240
121241
121242
121243
121244
121245
......
121301
121302
121303
121304
121305
121306
121307
121308
121309
121310
121311
121312
121313
121314
121315
......
121317
121318
121319
121320
121321
121322
121323
121324
121325
121326

121327
121328
121329
121330
121331
121332
121333
......
121350
121351
121352
121353
121354
121355
121356
121357
121358
121359
121360
121361
121362
121363
121364
121365
121366
121367
121368
121369
121370
121371
121372
121373
121374
......
121392
121393
121394
121395
121396
121397
121398

121399
121400
121401
121402
121403
121404
121405
121406
121407
121408
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......
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......
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/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.7.6.3.  By combining all the individual C code files into this 
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
** string contains the date and time of the check-in (UTC) and an SHA1
** hash of the entire source tree.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.7.6.3"
#define SQLITE_VERSION_NUMBER 3007006
#define SQLITE_SOURCE_ID      "2011-05-19 13:26:54 ed1da510a239ea767a01dc332b667119fa3c908e"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version, sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
**
** ^The sqlite3_exec() interface runs zero or more UTF-8 encoded,
** semicolon-separate SQL statements passed into its 2nd argument,
** in the context of the [database connection] passed in as its 1st
** argument.  ^If the callback function of the 3rd argument to
** sqlite3_exec() is not NULL, then it is invoked for each result row
** coming out of the evaluated SQL statements.  ^The 4th argument to
** to sqlite3_exec() is relayed through to the 1st argument of each
** callback invocation.  ^If the callback pointer to sqlite3_exec()
** is NULL, then no callback is ever invoked and result rows are
** ignored.
**
** ^If an error occurs while evaluating the SQL statements passed into
** sqlite3_exec(), then execution of the current statement stops and
** subsequent statements are skipped.  ^If the 5th parameter to sqlite3_exec()
................................................................................
** KEYWORDS: {result code} {result codes}
**
** Many SQLite functions return an integer result code from the set shown
** here in order to indicates success or failure.
**
** New error codes may be added in future versions of SQLite.
**
** See also: [SQLITE_IOERR_READ | extended result codes]

*/
#define SQLITE_OK           0   /* Successful result */
/* beginning-of-error-codes */
#define SQLITE_ERROR        1   /* SQL error or missing database */
#define SQLITE_INTERNAL     2   /* Internal logic error in SQLite */
#define SQLITE_PERM         3   /* Access permission denied */
#define SQLITE_ABORT        4   /* Callback routine requested an abort */
................................................................................
#define SQLITE_IOERR_CHECKRESERVEDLOCK (SQLITE_IOERR | (14<<8))
#define SQLITE_IOERR_LOCK              (SQLITE_IOERR | (15<<8))
#define SQLITE_IOERR_CLOSE             (SQLITE_IOERR | (16<<8))
#define SQLITE_IOERR_DIR_CLOSE         (SQLITE_IOERR | (17<<8))
#define SQLITE_IOERR_SHMOPEN           (SQLITE_IOERR | (18<<8))
#define SQLITE_IOERR_SHMSIZE           (SQLITE_IOERR | (19<<8))
#define SQLITE_IOERR_SHMLOCK           (SQLITE_IOERR | (20<<8))


#define SQLITE_LOCKED_SHAREDCACHE      (SQLITE_LOCKED |  (1<<8))
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))




/*
** CAPI3REF: Flags For File Open Operations
**
** These bit values are intended for use in the
** 3rd parameter to the [sqlite3_open_v2()] interface and
** in the 4th parameter to the xOpen method of the
** [sqlite3_vfs] object.
*/
#define SQLITE_OPEN_READONLY         0x00000001  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_READWRITE        0x00000002  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_CREATE           0x00000004  /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_DELETEONCLOSE    0x00000008  /* VFS only */
#define SQLITE_OPEN_EXCLUSIVE        0x00000010  /* VFS only */
#define SQLITE_OPEN_AUTOPROXY        0x00000020  /* VFS only */

#define SQLITE_OPEN_MAIN_DB          0x00000100  /* VFS only */
#define SQLITE_OPEN_TEMP_DB          0x00000200  /* VFS only */
#define SQLITE_OPEN_TRANSIENT_DB     0x00000400  /* VFS only */
#define SQLITE_OPEN_MAIN_JOURNAL     0x00000800  /* VFS only */
#define SQLITE_OPEN_TEMP_JOURNAL     0x00001000  /* VFS only */
#define SQLITE_OPEN_SUBJOURNAL       0x00002000  /* VFS only */
#define SQLITE_OPEN_MASTER_JOURNAL   0x00004000  /* VFS only */
................................................................................
struct sqlite3_file {
  const struct sqlite3_io_methods *pMethods;  /* Methods for an open file */
};

/*
** CAPI3REF: OS Interface File Virtual Methods Object
**
** Every file opened by the [sqlite3_vfs] xOpen method populates an
** [sqlite3_file] object (or, more commonly, a subclass of the
** [sqlite3_file] object) with a pointer to an instance of this object.
** This object defines the methods used to perform various operations
** against the open file represented by the [sqlite3_file] object.
**
** If the xOpen method sets the sqlite3_file.pMethods element 
** to a non-NULL pointer, then the sqlite3_io_methods.xClose method
** may be invoked even if the xOpen reported that it failed.  The
** only way to prevent a call to xClose following a failed xOpen
** is for the xOpen to set the sqlite3_file.pMethods element to NULL.

**
** The flags argument to xSync may be one of [SQLITE_SYNC_NORMAL] or
** [SQLITE_SYNC_FULL].  The first choice is the normal fsync().
** The second choice is a Mac OS X style fullsync.  The [SQLITE_SYNC_DATAONLY]
** flag may be ORed in to indicate that only the data of the file
** and not its inode needs to be synced.
**
................................................................................
typedef struct sqlite3_mutex sqlite3_mutex;

/*
** CAPI3REF: OS Interface Object
**
** An instance of the sqlite3_vfs object defines the interface between
** the SQLite core and the underlying operating system.  The "vfs"
** in the name of the object stands for "virtual file system".

**
** The value of the iVersion field is initially 1 but may be larger in
** future versions of SQLite.  Additional fields may be appended to this
** object when the iVersion value is increased.  Note that the structure
** of the sqlite3_vfs object changes in the transaction between
** SQLite version 3.5.9 and 3.6.0 and yet the iVersion field was not
** modified.
................................................................................
** or modify this field while holding a particular static mutex.
** The application should never modify anything within the sqlite3_vfs
** object once the object has been registered.
**
** The zName field holds the name of the VFS module.  The name must
** be unique across all VFS modules.
**

** ^SQLite guarantees that the zFilename parameter to xOpen
** is either a NULL pointer or string obtained
** from xFullPathname() with an optional suffix added.
** ^If a suffix is added to the zFilename parameter, it will
** consist of a single "-" character followed by no more than
** 10 alphanumeric and/or "-" characters.
** ^SQLite further guarantees that
................................................................................
** allocate the structure; it should just fill it in.  Note that
** the xOpen method must set the sqlite3_file.pMethods to either
** a valid [sqlite3_io_methods] object or to NULL.  xOpen must do
** this even if the open fails.  SQLite expects that the sqlite3_file.pMethods
** element will be valid after xOpen returns regardless of the success
** or failure of the xOpen call.
**

** ^The flags argument to xAccess() may be [SQLITE_ACCESS_EXISTS]
** to test for the existence of a file, or [SQLITE_ACCESS_READWRITE] to
** test whether a file is readable and writable, or [SQLITE_ACCESS_READ]
** to test whether a file is at least readable.   The file can be a
** directory.
**
** ^SQLite will always allocate at least mxPathname+1 bytes for the
................................................................................
** of good-quality randomness into zOut.  The return value is
** the actual number of bytes of randomness obtained.
** The xSleep() method causes the calling thread to sleep for at
** least the number of microseconds given.  ^The xCurrentTime()
** method returns a Julian Day Number for the current date and time as
** a floating point value.
** ^The xCurrentTimeInt64() method returns, as an integer, the Julian
** Day Number multipled by 86400000 (the number of milliseconds in 
** a 24-hour day).  
** ^SQLite will use the xCurrentTimeInt64() method to get the current
** date and time if that method is available (if iVersion is 2 or 
** greater and the function pointer is not NULL) and will fall back
** to xCurrentTime() if xCurrentTimeInt64() is unavailable.
**
** ^The xSetSystemCall(), xGetSystemCall(), and xNestSystemCall() interfaces
................................................................................
** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()].
** ^If sqlite3_config() is called after [sqlite3_initialize()] and before
** [sqlite3_shutdown()] then it will return SQLITE_MISUSE.
** Note, however, that ^sqlite3_config() can be called as part of the
** implementation of an application-defined [sqlite3_os_init()].
**
** The first argument to sqlite3_config() is an integer
** [SQLITE_CONFIG_SINGLETHREAD | configuration option] that determines
** what property of SQLite is to be configured.  Subsequent arguments
** vary depending on the [SQLITE_CONFIG_SINGLETHREAD | configuration option]
** in the first argument.
**
** ^When a configuration option is set, sqlite3_config() returns [SQLITE_OK].
** ^If the option is unknown or SQLite is unable to set the option
** then this routine returns a non-zero [error code].
*/
SQLITE_API int sqlite3_config(int, ...);
................................................................................
  int (*xInit)(void*);           /* Initialize the memory allocator */
  void (*xShutdown)(void*);      /* Deinitialize the memory allocator */
  void *pAppData;                /* Argument to xInit() and xShutdown() */
};

/*
** CAPI3REF: Configuration Options

**
** These constants are the available integer configuration options that
** can be passed as the first argument to the [sqlite3_config()] interface.
**
** New configuration options may be added in future releases of SQLite.
** Existing configuration options might be discontinued.  Applications
** should check the return code from [sqlite3_config()] to make sure that
** the call worked.  The [sqlite3_config()] interface will return a
** non-zero [error code] if a discontinued or unsupported configuration option
** is invoked.
**
** <dl>
** <dt>SQLITE_CONFIG_SINGLETHREAD</dt>
** <dd>There are no arguments to this option.  ^This option sets the
** [threading mode] to Single-thread.  In other words, it disables
** all mutexing and puts SQLite into a mode where it can only be used
** by a single thread.   ^If SQLite is compiled with
** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then
** it is not possible to change the [threading mode] from its default
** value of Single-thread and so [sqlite3_config()] will return 
** [SQLITE_ERROR] if called with the SQLITE_CONFIG_SINGLETHREAD
** configuration option.</dd>
**
** <dt>SQLITE_CONFIG_MULTITHREAD</dt>
** <dd>There are no arguments to this option.  ^This option sets the
** [threading mode] to Multi-thread.  In other words, it disables
** mutexing on [database connection] and [prepared statement] objects.
** The application is responsible for serializing access to
** [database connections] and [prepared statements].  But other mutexes
** are enabled so that SQLite will be safe to use in a multi-threaded
** environment as long as no two threads attempt to use the same
** [database connection] at the same time.  ^If SQLite is compiled with
** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then
** it is not possible to set the Multi-thread [threading mode] and
** [sqlite3_config()] will return [SQLITE_ERROR] if called with the
** SQLITE_CONFIG_MULTITHREAD configuration option.</dd>
**
** <dt>SQLITE_CONFIG_SERIALIZED</dt>
** <dd>There are no arguments to this option.  ^This option sets the
** [threading mode] to Serialized. In other words, this option enables
** all mutexes including the recursive
** mutexes on [database connection] and [prepared statement] objects.
** In this mode (which is the default when SQLite is compiled with
** [SQLITE_THREADSAFE=1]) the SQLite library will itself serialize access
** to [database connections] and [prepared statements] so that the
................................................................................
** same [prepared statement] in different threads at the same time.
** ^If SQLite is compiled with
** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then
** it is not possible to set the Serialized [threading mode] and
** [sqlite3_config()] will return [SQLITE_ERROR] if called with the
** SQLITE_CONFIG_SERIALIZED configuration option.</dd>
**
** <dt>SQLITE_CONFIG_MALLOC</dt>
** <dd> ^(This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mem_methods] structure.  The argument specifies
** alternative low-level memory allocation routines to be used in place of
** the memory allocation routines built into SQLite.)^ ^SQLite makes
** its own private copy of the content of the [sqlite3_mem_methods] structure
** before the [sqlite3_config()] call returns.</dd>
**
** <dt>SQLITE_CONFIG_GETMALLOC</dt>
** <dd> ^(This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mem_methods] structure.  The [sqlite3_mem_methods]
** structure is filled with the currently defined memory allocation routines.)^
** This option can be used to overload the default memory allocation
** routines with a wrapper that simulations memory allocation failure or
** tracks memory usage, for example. </dd>
**
** <dt>SQLITE_CONFIG_MEMSTATUS</dt>
** <dd> ^This option takes single argument of type int, interpreted as a 
** boolean, which enables or disables the collection of memory allocation 
** statistics. ^(When memory allocation statistics are disabled, the 
** following SQLite interfaces become non-operational:
**   <ul>
**   <li> [sqlite3_memory_used()]
**   <li> [sqlite3_memory_highwater()]
................................................................................
**   <li> [sqlite3_status()]
**   </ul>)^
** ^Memory allocation statistics are enabled by default unless SQLite is
** compiled with [SQLITE_DEFAULT_MEMSTATUS]=0 in which case memory
** allocation statistics are disabled by default.
** </dd>
**
** <dt>SQLITE_CONFIG_SCRATCH</dt>
** <dd> ^This option specifies a static memory buffer that SQLite can use for
** scratch memory.  There are three arguments:  A pointer an 8-byte
** aligned memory buffer from which the scratch allocations will be
** drawn, the size of each scratch allocation (sz),
** and the maximum number of scratch allocations (N).  The sz
** argument must be a multiple of 16.
** The first argument must be a pointer to an 8-byte aligned buffer
................................................................................
** ^SQLite will use no more than two scratch buffers per thread.  So
** N should be set to twice the expected maximum number of threads.
** ^SQLite will never require a scratch buffer that is more than 6
** times the database page size. ^If SQLite needs needs additional
** scratch memory beyond what is provided by this configuration option, then 
** [sqlite3_malloc()] will be used to obtain the memory needed.</dd>
**
** <dt>SQLITE_CONFIG_PAGECACHE</dt>
** <dd> ^This option specifies a static memory buffer that SQLite can use for
** the database page cache with the default page cache implemenation.  
** This configuration should not be used if an application-define page
** cache implementation is loaded using the SQLITE_CONFIG_PCACHE option.
** There are three arguments to this option: A pointer to 8-byte aligned
** memory, the size of each page buffer (sz), and the number of pages (N).
** The sz argument should be the size of the largest database page
** (a power of two between 512 and 32768) plus a little extra for each
** page header.  ^The page header size is 20 to 40 bytes depending on
................................................................................
** memory needs for the first N pages that it adds to cache.  ^If additional
** page cache memory is needed beyond what is provided by this option, then
** SQLite goes to [sqlite3_malloc()] for the additional storage space.
** The pointer in the first argument must
** be aligned to an 8-byte boundary or subsequent behavior of SQLite
** will be undefined.</dd>
**
** <dt>SQLITE_CONFIG_HEAP</dt>
** <dd> ^This option specifies a static memory buffer that SQLite will use
** for all of its dynamic memory allocation needs beyond those provided
** for by [SQLITE_CONFIG_SCRATCH] and [SQLITE_CONFIG_PAGECACHE].
** There are three arguments: An 8-byte aligned pointer to the memory,
** the number of bytes in the memory buffer, and the minimum allocation size.
** ^If the first pointer (the memory pointer) is NULL, then SQLite reverts
** to using its default memory allocator (the system malloc() implementation),
................................................................................
** [SQLITE_ENABLE_MEMSYS5] are defined, then the alternative memory
** allocator is engaged to handle all of SQLites memory allocation needs.
** The first pointer (the memory pointer) must be aligned to an 8-byte
** boundary or subsequent behavior of SQLite will be undefined.
** The minimum allocation size is capped at 2^12. Reasonable values
** for the minimum allocation size are 2^5 through 2^8.</dd>
**
** <dt>SQLITE_CONFIG_MUTEX</dt>
** <dd> ^(This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mutex_methods] structure.  The argument specifies
** alternative low-level mutex routines to be used in place
** the mutex routines built into SQLite.)^  ^SQLite makes a copy of the
** content of the [sqlite3_mutex_methods] structure before the call to
** [sqlite3_config()] returns. ^If SQLite is compiled with
** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then
** the entire mutexing subsystem is omitted from the build and hence calls to
** [sqlite3_config()] with the SQLITE_CONFIG_MUTEX configuration option will
** return [SQLITE_ERROR].</dd>
**
** <dt>SQLITE_CONFIG_GETMUTEX</dt>
** <dd> ^(This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mutex_methods] structure.  The
** [sqlite3_mutex_methods]
** structure is filled with the currently defined mutex routines.)^
** This option can be used to overload the default mutex allocation
** routines with a wrapper used to track mutex usage for performance
** profiling or testing, for example.   ^If SQLite is compiled with
** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then
** the entire mutexing subsystem is omitted from the build and hence calls to
** [sqlite3_config()] with the SQLITE_CONFIG_GETMUTEX configuration option will
** return [SQLITE_ERROR].</dd>
**
** <dt>SQLITE_CONFIG_LOOKASIDE</dt>
** <dd> ^(This option takes two arguments that determine the default
** memory allocation for the lookaside memory allocator on each
** [database connection].  The first argument is the
** size of each lookaside buffer slot and the second is the number of
** slots allocated to each database connection.)^  ^(This option sets the
** <i>default</i> lookaside size. The [SQLITE_DBCONFIG_LOOKASIDE]
** verb to [sqlite3_db_config()] can be used to change the lookaside
** configuration on individual connections.)^ </dd>
**
** <dt>SQLITE_CONFIG_PCACHE</dt>
** <dd> ^(This option takes a single argument which is a pointer to
** an [sqlite3_pcache_methods] object.  This object specifies the interface
** to a custom page cache implementation.)^  ^SQLite makes a copy of the
** object and uses it for page cache memory allocations.</dd>
**
** <dt>SQLITE_CONFIG_GETPCACHE</dt>
** <dd> ^(This option takes a single argument which is a pointer to an
** [sqlite3_pcache_methods] object.  SQLite copies of the current
** page cache implementation into that object.)^ </dd>
**
** <dt>SQLITE_CONFIG_LOG</dt>
** <dd> ^The SQLITE_CONFIG_LOG option takes two arguments: a pointer to a
** function with a call signature of void(*)(void*,int,const char*), 
** and a pointer to void. ^If the function pointer is not NULL, it is
** invoked by [sqlite3_log()] to process each logging event.  ^If the
** function pointer is NULL, the [sqlite3_log()] interface becomes a no-op.
** ^The void pointer that is the second argument to SQLITE_CONFIG_LOG is
** passed through as the first parameter to the application-defined logger
................................................................................
** [extended result code].  ^The third parameter passed to the logger is
** log message after formatting via [sqlite3_snprintf()].
** The SQLite logging interface is not reentrant; the logger function
** supplied by the application must not invoke any SQLite interface.
** In a multi-threaded application, the application-defined logger
** function must be threadsafe. </dd>
**












** </dl>
*/
#define SQLITE_CONFIG_SINGLETHREAD  1  /* nil */
#define SQLITE_CONFIG_MULTITHREAD   2  /* nil */
#define SQLITE_CONFIG_SERIALIZED    3  /* nil */
#define SQLITE_CONFIG_MALLOC        4  /* sqlite3_mem_methods* */
#define SQLITE_CONFIG_GETMALLOC     5  /* sqlite3_mem_methods* */
................................................................................
#define SQLITE_CONFIG_MUTEX        10  /* sqlite3_mutex_methods* */
#define SQLITE_CONFIG_GETMUTEX     11  /* sqlite3_mutex_methods* */
/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ 
#define SQLITE_CONFIG_LOOKASIDE    13  /* int int */
#define SQLITE_CONFIG_PCACHE       14  /* sqlite3_pcache_methods* */
#define SQLITE_CONFIG_GETPCACHE    15  /* sqlite3_pcache_methods* */
#define SQLITE_CONFIG_LOG          16  /* xFunc, void* */


/*
** CAPI3REF: Database Connection Configuration Options
**
** These constants are the available integer configuration options that
** can be passed as the second argument to the [sqlite3_db_config()] interface.
**
................................................................................
** as an undeclared column named ROWID, OID, or _ROWID_ as long as those
** names are not also used by explicitly declared columns. ^If
** the table has a column of type [INTEGER PRIMARY KEY] then that column
** is another alias for the rowid.
**
** ^This routine returns the [rowid] of the most recent
** successful [INSERT] into the database from the [database connection]


** in the first argument.  ^If no successful [INSERT]s
** have ever occurred on that database connection, zero is returned.
**
** ^(If an [INSERT] occurs within a trigger, then the [rowid] of the inserted
** row is returned by this routine as long as the trigger is running.
** But once the trigger terminates, the value returned by this routine
** reverts to the last value inserted before the trigger fired.)^




**
** ^An [INSERT] that fails due to a constraint violation is not a
** successful [INSERT] and does not change the value returned by this
** routine.  ^Thus INSERT OR FAIL, INSERT OR IGNORE, INSERT OR ROLLBACK,
** and INSERT OR ABORT make no changes to the return value of this
** routine when their insertion fails.  ^(When INSERT OR REPLACE
** encounters a constraint violation, it does not fail.  The
................................................................................
** CAPI3REF: Authorizer Return Codes
**
** The [sqlite3_set_authorizer | authorizer callback function] must
** return either [SQLITE_OK] or one of these two constants in order
** to signal SQLite whether or not the action is permitted.  See the
** [sqlite3_set_authorizer | authorizer documentation] for additional
** information.



*/
#define SQLITE_DENY   1   /* Abort the SQL statement with an error */
#define SQLITE_IGNORE 2   /* Don't allow access, but don't generate an error */

/*
** CAPI3REF: Authorizer Action Codes
**
................................................................................
**
*/
SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*);

/*
** CAPI3REF: Opening A New Database Connection
**
** ^These routines open an SQLite database file whose name is given by the
** filename argument. ^The filename argument is interpreted as UTF-8 for
** sqlite3_open() and sqlite3_open_v2() and as UTF-16 in the native byte
** order for sqlite3_open16(). ^(A [database connection] handle is usually
** returned in *ppDb, even if an error occurs.  The only exception is that
** if SQLite is unable to allocate memory to hold the [sqlite3] object,
** a NULL will be written into *ppDb instead of a pointer to the [sqlite3]
** object.)^ ^(If the database is opened (and/or created) successfully, then
................................................................................
**
** The sqlite3_open_v2() interface works like sqlite3_open()
** except that it accepts two additional parameters for additional control
** over the new database connection.  ^(The flags parameter to
** sqlite3_open_v2() can take one of
** the following three values, optionally combined with the 
** [SQLITE_OPEN_NOMUTEX], [SQLITE_OPEN_FULLMUTEX], [SQLITE_OPEN_SHAREDCACHE],
** and/or [SQLITE_OPEN_PRIVATECACHE] flags:)^
**
** <dl>
** ^(<dt>[SQLITE_OPEN_READONLY]</dt>
** <dd>The database is opened in read-only mode.  If the database does not
** already exist, an error is returned.</dd>)^
**
** ^(<dt>[SQLITE_OPEN_READWRITE]</dt>
................................................................................
** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt>
** <dd>The database is opened for reading and writing, and is created if
** it does not already exist. This is the behavior that is always used for
** sqlite3_open() and sqlite3_open16().</dd>)^
** </dl>
**
** If the 3rd parameter to sqlite3_open_v2() is not one of the
** combinations shown above or one of the combinations shown above combined
** with the [SQLITE_OPEN_NOMUTEX], [SQLITE_OPEN_FULLMUTEX],
** [SQLITE_OPEN_SHAREDCACHE] and/or [SQLITE_OPEN_PRIVATECACHE] flags,
** then the behavior is undefined.
**
** ^If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection
** opens in the multi-thread [threading mode] as long as the single-thread
** mode has not been set at compile-time or start-time.  ^If the
** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens
** in the serialized [threading mode] unless single-thread was
** previously selected at compile-time or start-time.
** ^The [SQLITE_OPEN_SHAREDCACHE] flag causes the database connection to be
** eligible to use [shared cache mode], regardless of whether or not shared
** cache is enabled using [sqlite3_enable_shared_cache()].  ^The
** [SQLITE_OPEN_PRIVATECACHE] flag causes the database connection to not
** participate in [shared cache mode] even if it is enabled.
**





** ^If the filename is ":memory:", then a private, temporary in-memory database
** is created for the connection.  ^This in-memory database will vanish when
** the database connection is closed.  Future versions of SQLite might
** make use of additional special filenames that begin with the ":" character.
** It is recommended that when a database filename actually does begin with
** a ":" character you should prefix the filename with a pathname such as
** "./" to avoid ambiguity.
**
** ^If the filename is an empty string, then a private, temporary
** on-disk database will be created.  ^This private database will be
** automatically deleted as soon as the database connection is closed.
**







































** ^The fourth parameter to sqlite3_open_v2() is the name of the
** [sqlite3_vfs] object that defines the operating system interface that
** the new database connection should use.  ^If the fourth parameter is
** a NULL pointer then the default [sqlite3_vfs] object is used.

































































**
** <b>Note to Windows users:</b>  The encoding used for the filename argument
** of sqlite3_open() and sqlite3_open_v2() must be UTF-8, not whatever
** codepage is currently defined.  Filenames containing international
** characters must be converted to UTF-8 prior to passing them into
** sqlite3_open() or sqlite3_open_v2().
*/
................................................................................
);
SQLITE_API int sqlite3_open_v2(
  const char *filename,   /* Database filename (UTF-8) */
  sqlite3 **ppDb,         /* OUT: SQLite db handle */
  int flags,              /* Flags */
  const char *zVfs        /* Name of VFS module to use */
);





















/*
** CAPI3REF: Error Codes And Messages
**
** ^The sqlite3_errcode() interface returns the numeric [result code] or
** [extended result code] for the most recent failed sqlite3_* API call
** associated with a [database connection]. If a prior API call failed
................................................................................
**
** These constants define various performance limits
** that can be lowered at run-time using [sqlite3_limit()].
** The synopsis of the meanings of the various limits is shown below.
** Additional information is available at [limits | Limits in SQLite].
**
** <dl>
** ^(<dt>SQLITE_LIMIT_LENGTH</dt>
** <dd>The maximum size of any string or BLOB or table row, in bytes.<dd>)^
**
** ^(<dt>SQLITE_LIMIT_SQL_LENGTH</dt>
** <dd>The maximum length of an SQL statement, in bytes.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_COLUMN</dt>
** <dd>The maximum number of columns in a table definition or in the
** result set of a [SELECT] or the maximum number of columns in an index
** or in an ORDER BY or GROUP BY clause.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_EXPR_DEPTH</dt>
** <dd>The maximum depth of the parse tree on any expression.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_COMPOUND_SELECT</dt>
** <dd>The maximum number of terms in a compound SELECT statement.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_VDBE_OP</dt>
** <dd>The maximum number of instructions in a virtual machine program
** used to implement an SQL statement.  This limit is not currently
** enforced, though that might be added in some future release of
** SQLite.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_FUNCTION_ARG</dt>
** <dd>The maximum number of arguments on a function.</dd>)^
**
** ^(<dt>SQLITE_LIMIT_ATTACHED</dt>
** <dd>The maximum number of [ATTACH | attached databases].)^</dd>
**

** ^(<dt>SQLITE_LIMIT_LIKE_PATTERN_LENGTH</dt>
** <dd>The maximum length of the pattern argument to the [LIKE] or
** [GLOB] operators.</dd>)^
**

** ^(<dt>SQLITE_LIMIT_VARIABLE_NUMBER</dt>
** <dd>The maximum index number of any [parameter] in an SQL statement.)^
**
** ^(<dt>SQLITE_LIMIT_TRIGGER_DEPTH</dt>
** <dd>The maximum depth of recursion for triggers.</dd>)^
** </dl>
*/
#define SQLITE_LIMIT_LENGTH                    0
#define SQLITE_LIMIT_SQL_LENGTH                1
#define SQLITE_LIMIT_COLUMN                    2
#define SQLITE_LIMIT_EXPR_DEPTH                3
................................................................................
** [SQLITE_DONE], [SQLITE_ROW], [SQLITE_ERROR], or [SQLITE_MISUSE].
** ^With the "v2" interface, any of the other [result codes] or
** [extended result codes] might be returned as well.
**
** ^[SQLITE_BUSY] means that the database engine was unable to acquire the
** database locks it needs to do its job.  ^If the statement is a [COMMIT]
** or occurs outside of an explicit transaction, then you can retry the
** statement.  If the statement is not a [COMMIT] and occurs within a
** explicit transaction then you should rollback the transaction before
** continuing.
**
** ^[SQLITE_DONE] means that the statement has finished executing
** successfully.  sqlite3_step() should not be called again on this virtual
** machine without first calling [sqlite3_reset()] to reset the virtual
** machine back to its initial state.
................................................................................
SQLITE_API int sqlite3_column_type(sqlite3_stmt*, int iCol);
SQLITE_API sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol);

/*
** CAPI3REF: Destroy A Prepared Statement Object
**
** ^The sqlite3_finalize() function is called to delete a [prepared statement].
** ^If the most recent evaluation of the statement encountered no errors or
** or if the statement is never been evaluated, then sqlite3_finalize() returns
** SQLITE_OK.  ^If the most recent evaluation of statement S failed, then
** sqlite3_finalize(S) returns the appropriate [error code] or
** [extended error code].
**
** ^The sqlite3_finalize(S) routine can be called at any point during
** the life cycle of [prepared statement] S:
................................................................................
  int (*xSync)(sqlite3_vtab *pVTab);
  int (*xCommit)(sqlite3_vtab *pVTab);
  int (*xRollback)(sqlite3_vtab *pVTab);
  int (*xFindFunction)(sqlite3_vtab *pVtab, int nArg, const char *zName,
                       void (**pxFunc)(sqlite3_context*,int,sqlite3_value**),
                       void **ppArg);
  int (*xRename)(sqlite3_vtab *pVtab, const char *zNew);





};

/*
** CAPI3REF: Virtual Table Indexing Information
** KEYWORDS: sqlite3_index_info
**
** The sqlite3_index_info structure and its substructures is used as part
................................................................................
** ^The implementation is not required to provided versions of these
** routines that actually work. If the implementation does not provide working
** versions of these routines, it should at least provide stubs that always
** return true so that one does not get spurious assertion failures.
**
** ^If the argument to sqlite3_mutex_held() is a NULL pointer then
** the routine should return 1.   This seems counter-intuitive since
** clearly the mutex cannot be held if it does not exist.  But the
** the reason the mutex does not exist is because the build is not
** using mutexes.  And we do not want the assert() containing the
** call to sqlite3_mutex_held() to fail, so a non-zero return is
** the appropriate thing to do.  ^The sqlite3_mutex_notheld()
** interface should also return 1 when given a NULL pointer.
*/
#ifndef NDEBUG
................................................................................
#define SQLITE_TESTCTRL_ASSERT                  12
#define SQLITE_TESTCTRL_ALWAYS                  13
#define SQLITE_TESTCTRL_RESERVE                 14
#define SQLITE_TESTCTRL_OPTIMIZATIONS           15
#define SQLITE_TESTCTRL_ISKEYWORD               16
#define SQLITE_TESTCTRL_PGHDRSZ                 17
#define SQLITE_TESTCTRL_SCRATCHMALLOC           18

#define SQLITE_TESTCTRL_LAST                    18

/*
** CAPI3REF: SQLite Runtime Status
**
** ^This interface is used to retrieve runtime status information
** about the performance of SQLite, and optionally to reset various
** highwater marks.  ^The first argument is an integer code for
** the specific parameter to measure.  ^(Recognized integer codes
** are of the form [SQLITE_STATUS_MEMORY_USED | SQLITE_STATUS_...].)^
** ^The current value of the parameter is returned into *pCurrent.
** ^The highest recorded value is returned in *pHighwater.  ^If the
** resetFlag is true, then the highest record value is reset after
** *pHighwater is written.  ^(Some parameters do not record the highest
** value.  For those parameters
** nothing is written into *pHighwater and the resetFlag is ignored.)^
** ^(Other parameters record only the highwater mark and not the current
................................................................................
** See also: [sqlite3_db_status()]
*/
SQLITE_API int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag);


/*
** CAPI3REF: Status Parameters

**
** These integer constants designate various run-time status parameters
** that can be returned by [sqlite3_status()].
**
** <dl>
** ^(<dt>SQLITE_STATUS_MEMORY_USED</dt>
** <dd>This parameter is the current amount of memory checked out
** using [sqlite3_malloc()], either directly or indirectly.  The
** figure includes calls made to [sqlite3_malloc()] by the application
** and internal memory usage by the SQLite library.  Scratch memory
** controlled by [SQLITE_CONFIG_SCRATCH] and auxiliary page-cache
** memory controlled by [SQLITE_CONFIG_PAGECACHE] is not included in
** this parameter.  The amount returned is the sum of the allocation
** sizes as reported by the xSize method in [sqlite3_mem_methods].</dd>)^
**
** ^(<dt>SQLITE_STATUS_MALLOC_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [sqlite3_malloc()] or [sqlite3_realloc()] (or their
** internal equivalents).  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** ^(<dt>SQLITE_STATUS_MALLOC_COUNT</dt>
** <dd>This parameter records the number of separate memory allocations
** currently checked out.</dd>)^
**
** ^(<dt>SQLITE_STATUS_PAGECACHE_USED</dt>
** <dd>This parameter returns the number of pages used out of the
** [pagecache memory allocator] that was configured using 
** [SQLITE_CONFIG_PAGECACHE].  The
** value returned is in pages, not in bytes.</dd>)^
**

** ^(<dt>SQLITE_STATUS_PAGECACHE_OVERFLOW</dt>
** <dd>This parameter returns the number of bytes of page cache
** allocation which could not be satisfied by the [SQLITE_CONFIG_PAGECACHE]
** buffer and where forced to overflow to [sqlite3_malloc()].  The
** returned value includes allocations that overflowed because they
** where too large (they were larger than the "sz" parameter to
** [SQLITE_CONFIG_PAGECACHE]) and allocations that overflowed because
** no space was left in the page cache.</dd>)^
**
** ^(<dt>SQLITE_STATUS_PAGECACHE_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [pagecache memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** ^(<dt>SQLITE_STATUS_SCRATCH_USED</dt>
** <dd>This parameter returns the number of allocations used out of the
** [scratch memory allocator] configured using
** [SQLITE_CONFIG_SCRATCH].  The value returned is in allocations, not
** in bytes.  Since a single thread may only have one scratch allocation
** outstanding at time, this parameter also reports the number of threads
** using scratch memory at the same time.</dd>)^
**
** ^(<dt>SQLITE_STATUS_SCRATCH_OVERFLOW</dt>
** <dd>This parameter returns the number of bytes of scratch memory
** allocation which could not be satisfied by the [SQLITE_CONFIG_SCRATCH]
** buffer and where forced to overflow to [sqlite3_malloc()].  The values
** returned include overflows because the requested allocation was too
** larger (that is, because the requested allocation was larger than the
** "sz" parameter to [SQLITE_CONFIG_SCRATCH]) and because no scratch buffer
** slots were available.
** </dd>)^
**
** ^(<dt>SQLITE_STATUS_SCRATCH_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [scratch memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** ^(<dt>SQLITE_STATUS_PARSER_STACK</dt>
** <dd>This parameter records the deepest parser stack.  It is only
** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>)^
** </dl>
**
** New status parameters may be added from time to time.
*/
#define SQLITE_STATUS_MEMORY_USED          0
................................................................................
/*
** CAPI3REF: Database Connection Status
**
** ^This interface is used to retrieve runtime status information 
** about a single [database connection].  ^The first argument is the
** database connection object to be interrogated.  ^The second argument
** is an integer constant, taken from the set of
** [SQLITE_DBSTATUS_LOOKASIDE_USED | SQLITE_DBSTATUS_*] macros, that
** determines the parameter to interrogate.  The set of 
** [SQLITE_DBSTATUS_LOOKASIDE_USED | SQLITE_DBSTATUS_*] macros is likely
** to grow in future releases of SQLite.
**
** ^The current value of the requested parameter is written into *pCur
** and the highest instantaneous value is written into *pHiwtr.  ^If
** the resetFlg is true, then the highest instantaneous value is
** reset back down to the current value.
**
................................................................................
**
** See also: [sqlite3_status()] and [sqlite3_stmt_status()].
*/
SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int resetFlg);

/*
** CAPI3REF: Status Parameters for database connections

**
** These constants are the available integer "verbs" that can be passed as
** the second argument to the [sqlite3_db_status()] interface.
**
** New verbs may be added in future releases of SQLite. Existing verbs
** might be discontinued. Applications should check the return code from
** [sqlite3_db_status()] to make sure that the call worked.
** The [sqlite3_db_status()] interface will return a non-zero error code
** if a discontinued or unsupported verb is invoked.
**
** <dl>
** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_USED</dt>
** <dd>This parameter returns the number of lookaside memory slots currently
** checked out.</dd>)^
**
** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt>
** <dd>This parameter returns the number malloc attempts that were 
** satisfied using lookaside memory. Only the high-water value is meaningful;
** the current value is always zero.)^
**

** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE</dt>
** <dd>This parameter returns the number malloc attempts that might have
** been satisfied using lookaside memory but failed due to the amount of
** memory requested being larger than the lookaside slot size.
** Only the high-water value is meaningful;
** the current value is always zero.)^
**

** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL</dt>
** <dd>This parameter returns the number malloc attempts that might have
** been satisfied using lookaside memory but failed due to all lookaside
** memory already being in use.
** Only the high-water value is meaningful;
** the current value is always zero.)^
**
** ^(<dt>SQLITE_DBSTATUS_CACHE_USED</dt>
** <dd>This parameter returns the approximate number of of bytes of heap
** memory used by all pager caches associated with the database connection.)^
** ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_USED is always 0.
**
** ^(<dt>SQLITE_DBSTATUS_SCHEMA_USED</dt>
** <dd>This parameter returns the approximate number of of bytes of heap
** memory used to store the schema for all databases associated
** with the connection - main, temp, and any [ATTACH]-ed databases.)^ 
** ^The full amount of memory used by the schemas is reported, even if the
** schema memory is shared with other database connections due to
** [shared cache mode] being enabled.
** ^The highwater mark associated with SQLITE_DBSTATUS_SCHEMA_USED is always 0.
**
** ^(<dt>SQLITE_DBSTATUS_STMT_USED</dt>
** <dd>This parameter returns the approximate number of of bytes of heap
** and lookaside memory used by all prepared statements associated with
** the database connection.)^
** ^The highwater mark associated with SQLITE_DBSTATUS_STMT_USED is always 0.
** </dd>
** </dl>
*/
................................................................................
#define SQLITE_DBSTATUS_MAX                  6   /* Largest defined DBSTATUS */


/*
** CAPI3REF: Prepared Statement Status
**
** ^(Each prepared statement maintains various
** [SQLITE_STMTSTATUS_SORT | counters] that measure the number
** of times it has performed specific operations.)^  These counters can
** be used to monitor the performance characteristics of the prepared
** statements.  For example, if the number of table steps greatly exceeds
** the number of table searches or result rows, that would tend to indicate
** that the prepared statement is using a full table scan rather than
** an index.  
**
** ^(This interface is used to retrieve and reset counter values from
** a [prepared statement].  The first argument is the prepared statement
** object to be interrogated.  The second argument
** is an integer code for a specific [SQLITE_STMTSTATUS_SORT | counter]
** to be interrogated.)^
** ^The current value of the requested counter is returned.
** ^If the resetFlg is true, then the counter is reset to zero after this
** interface call returns.
**
** See also: [sqlite3_status()] and [sqlite3_db_status()].
*/
SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg);

/*
** CAPI3REF: Status Parameters for prepared statements

**
** These preprocessor macros define integer codes that name counter
** values associated with the [sqlite3_stmt_status()] interface.
** The meanings of the various counters are as follows:
**
** <dl>
** <dt>SQLITE_STMTSTATUS_FULLSCAN_STEP</dt>
** <dd>^This is the number of times that SQLite has stepped forward in
** a table as part of a full table scan.  Large numbers for this counter
** may indicate opportunities for performance improvement through 
** careful use of indices.</dd>
**
** <dt>SQLITE_STMTSTATUS_SORT</dt>
** <dd>^This is the number of sort operations that have occurred.
** A non-zero value in this counter may indicate an opportunity to
** improvement performance through careful use of indices.</dd>
**
** <dt>SQLITE_STMTSTATUS_AUTOINDEX</dt>
** <dd>^This is the number of rows inserted into transient indices that
** were created automatically in order to help joins run faster.
** A non-zero value in this counter may indicate an opportunity to
** improvement performance by adding permanent indices that do not
** need to be reinitialized each time the statement is run.</dd>
**
** </dl>
................................................................................
** The built-in page cache is recommended for most uses.
**
** ^(The contents of the sqlite3_pcache_methods structure are copied to an
** internal buffer by SQLite within the call to [sqlite3_config].  Hence
** the application may discard the parameter after the call to
** [sqlite3_config()] returns.)^
**

** ^(The xInit() method is called once for each effective 
** call to [sqlite3_initialize()])^
** (usually only once during the lifetime of the process). ^(The xInit()
** method is passed a copy of the sqlite3_pcache_methods.pArg value.)^
** The intent of the xInit() method is to set up global data structures 
** required by the custom page cache implementation. 
** ^(If the xInit() method is NULL, then the 
** built-in default page cache is used instead of the application defined
** page cache.)^
**

** ^The xShutdown() method is called by [sqlite3_shutdown()].
** It can be used to clean up 
** any outstanding resources before process shutdown, if required.
** ^The xShutdown() method may be NULL.
**
** ^SQLite automatically serializes calls to the xInit method,
** so the xInit method need not be threadsafe.  ^The
................................................................................
** xShutdown method is only called from [sqlite3_shutdown()] so it does
** not need to be threadsafe either.  All other methods must be threadsafe
** in multithreaded applications.
**
** ^SQLite will never invoke xInit() more than once without an intervening
** call to xShutdown().
**

** ^SQLite invokes the xCreate() method to construct a new cache instance.
** SQLite will typically create one cache instance for each open database file,
** though this is not guaranteed. ^The
** first parameter, szPage, is the size in bytes of the pages that must
** be allocated by the cache.  ^szPage will not be a power of two.  ^szPage
** will the page size of the database file that is to be cached plus an
** increment (here called "R") of less than 250.  SQLite will use the
................................................................................
** it is purely advisory.  ^On a cache where bPurgeable is false, SQLite will
** never invoke xUnpin() except to deliberately delete a page.
** ^In other words, calls to xUnpin() on a cache with bPurgeable set to
** false will always have the "discard" flag set to true.  
** ^Hence, a cache created with bPurgeable false will
** never contain any unpinned pages.
**

** ^(The xCachesize() method may be called at any time by SQLite to set the
** suggested maximum cache-size (number of pages stored by) the cache
** instance passed as the first argument. This is the value configured using
** the SQLite "[PRAGMA cache_size]" command.)^  As with the bPurgeable
** parameter, the implementation is not required to do anything with this
** value; it is advisory only.
**

** The xPagecount() method must return the number of pages currently
** stored in the cache, both pinned and unpinned.
** 

** The xFetch() method locates a page in the cache and returns a pointer to 
** the page, or a NULL pointer.
** A "page", in this context, means a buffer of szPage bytes aligned at an
** 8-byte boundary. The page to be fetched is determined by the key. ^The
** mimimum key value is 1.  After it has been retrieved using xFetch, the page 
** is considered to be "pinned".
**
** If the requested page is already in the page cache, then the page cache
** implementation must return a pointer to the page buffer with its content
** intact.  If the requested page is not already in the cache, then the
** cache implementation should use the value of the createFlag
** parameter to help it determined what action to take:
................................................................................
**
** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1.  SQLite
** will only use a createFlag of 2 after a prior call with a createFlag of 1
** failed.)^  In between the to xFetch() calls, SQLite may
** attempt to unpin one or more cache pages by spilling the content of
** pinned pages to disk and synching the operating system disk cache.
**

** ^xUnpin() is called by SQLite with a pointer to a currently pinned page
** as its second argument.  If the third parameter, discard, is non-zero,
** then the page must be evicted from the cache.
** ^If the discard parameter is
** zero, then the page may be discarded or retained at the discretion of
** page cache implementation. ^The page cache implementation
** may choose to evict unpinned pages at any time.
**
** The cache must not perform any reference counting. A single 
** call to xUnpin() unpins the page regardless of the number of prior calls 
** to xFetch().
**

** The xRekey() method is used to change the key value associated with the
** page passed as the second argument. If the cache
** previously contains an entry associated with newKey, it must be
** discarded. ^Any prior cache entry associated with newKey is guaranteed not
** to be pinned.
**
** When SQLite calls the xTruncate() method, the cache must discard all
** existing cache entries with page numbers (keys) greater than or equal
** to the value of the iLimit parameter passed to xTruncate(). If any
** of these pages are pinned, they are implicitly unpinned, meaning that
** they can be safely discarded.
**

** ^The xDestroy() method is used to delete a cache allocated by xCreate().
** All resources associated with the specified cache should be freed. ^After
** calling the xDestroy() method, SQLite considers the [sqlite3_pcache*]
** handle invalid, and will not use it with any other sqlite3_pcache_methods
** functions.
*/
typedef struct sqlite3_pcache_methods sqlite3_pcache_methods;
................................................................................
**         the data between the two databases, and finally
**     <li><b>sqlite3_backup_finish()</b> is called to release all resources 
**         associated with the backup operation. 
**   </ol>)^
** There should be exactly one call to sqlite3_backup_finish() for each
** successful call to sqlite3_backup_init().
**
** <b>sqlite3_backup_init()</b>
**
** ^The D and N arguments to sqlite3_backup_init(D,N,S,M) are the 
** [database connection] associated with the destination database 
** and the database name, respectively.
** ^The database name is "main" for the main database, "temp" for the
** temporary database, or the name specified after the AS keyword in
** an [ATTACH] statement for an attached database.
................................................................................
** [sqlite3_errmsg16()] functions.
** ^A successful call to sqlite3_backup_init() returns a pointer to an
** [sqlite3_backup] object.
** ^The [sqlite3_backup] object may be used with the sqlite3_backup_step() and
** sqlite3_backup_finish() functions to perform the specified backup 
** operation.
**
** <b>sqlite3_backup_step()</b>
**
** ^Function sqlite3_backup_step(B,N) will copy up to N pages between 
** the source and destination databases specified by [sqlite3_backup] object B.
** ^If N is negative, all remaining source pages are copied. 
** ^If sqlite3_backup_step(B,N) successfully copies N pages and there
** are still more pages to be copied, then the function returns [SQLITE_OK].
** ^If sqlite3_backup_step(B,N) successfully finishes copying all pages
................................................................................
** external process or via a database connection other than the one being
** used by the backup operation, then the backup will be automatically
** restarted by the next call to sqlite3_backup_step(). ^If the source 
** database is modified by the using the same database connection as is used
** by the backup operation, then the backup database is automatically
** updated at the same time.
**
** <b>sqlite3_backup_finish()</b>
**
** When sqlite3_backup_step() has returned [SQLITE_DONE], or when the 
** application wishes to abandon the backup operation, the application
** should destroy the [sqlite3_backup] by passing it to sqlite3_backup_finish().
** ^The sqlite3_backup_finish() interfaces releases all
** resources associated with the [sqlite3_backup] object. 
** ^If sqlite3_backup_step() has not yet returned [SQLITE_DONE], then any
................................................................................
** sqlite3_backup_step() call on the same [sqlite3_backup] object, then
** sqlite3_backup_finish() returns the corresponding [error code].
**
** ^A return of [SQLITE_BUSY] or [SQLITE_LOCKED] from sqlite3_backup_step()
** is not a permanent error and does not affect the return value of
** sqlite3_backup_finish().
**

** <b>sqlite3_backup_remaining(), sqlite3_backup_pagecount()</b>
**
** ^Each call to sqlite3_backup_step() sets two values inside
** the [sqlite3_backup] object: the number of pages still to be backed
** up and the total number of pages in the source database file.
** The sqlite3_backup_remaining() and sqlite3_backup_pagecount() interfaces
** retrieve these two values, respectively.
**
................................................................................
** [sqlite3_wal_checkpoint_v2()].  See the [sqlite3_wal_checkpoint_v2()]
** documentation for additional information about the meaning and use of
** each of these values.
*/
#define SQLITE_CHECKPOINT_PASSIVE 0
#define SQLITE_CHECKPOINT_FULL    1
#define SQLITE_CHECKPOINT_RESTART 2

























































































/*
** Undo the hack that converts floating point types to integer for
** builds on processors without floating point support.
*/
#ifdef SQLITE_OMIT_FLOATING_POINT
................................................................................
typedef struct TableLock TableLock;
typedef struct Token Token;
typedef struct Trigger Trigger;
typedef struct TriggerPrg TriggerPrg;
typedef struct TriggerStep TriggerStep;
typedef struct UnpackedRecord UnpackedRecord;
typedef struct VTable VTable;

typedef struct Walker Walker;
typedef struct WherePlan WherePlan;
typedef struct WhereInfo WhereInfo;
typedef struct WhereLevel WhereLevel;

/*
** Defer sourcing vdbe.h and btree.h until after the "u8" and 
................................................................................
*/
typedef struct Btree Btree;
typedef struct BtCursor BtCursor;
typedef struct BtShared BtShared;


SQLITE_PRIVATE int sqlite3BtreeOpen(

  const char *zFilename,   /* Name of database file to open */
  sqlite3 *db,             /* Associated database connection */
  Btree **ppBtree,         /* Return open Btree* here */
  int flags,               /* Flags */
  int vfsFlags             /* Flags passed through to VFS open */
);

................................................................................
SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe*,int);
SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe*,int,int);
SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe*,int,int,int);
SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe*,int,int,int,int);
SQLITE_PRIVATE int sqlite3VdbeAddOp4(Vdbe*,int,int,int,int,const char *zP4,int);
SQLITE_PRIVATE int sqlite3VdbeAddOp4Int(Vdbe*,int,int,int,int,int);
SQLITE_PRIVATE int sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp);

SQLITE_PRIVATE void sqlite3VdbeChangeP1(Vdbe*, int addr, int P1);
SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe*, int addr, int P2);
SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe*, int addr, int P3);
SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe*, u8 P5);
SQLITE_PRIVATE void sqlite3VdbeJumpHere(Vdbe*, int addr);
SQLITE_PRIVATE void sqlite3VdbeChangeToNoop(Vdbe*, int addr, int N);
SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
SQLITE_PRIVATE void sqlite3VdbeUsesBtree(Vdbe*, int);
SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
SQLITE_PRIVATE int sqlite3VdbeMakeLabel(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeRunOnlyOnce(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeDelete(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeDeleteObject(sqlite3*,Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeMakeReady(Vdbe*,int,int,int,int,int,int);
SQLITE_PRIVATE int sqlite3VdbeFinalize(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeResolveLabel(Vdbe*, int);
SQLITE_PRIVATE int sqlite3VdbeCurrentAddr(Vdbe*);
#ifdef SQLITE_DEBUG
SQLITE_PRIVATE   int sqlite3VdbeAssertMayAbort(Vdbe *, int);
SQLITE_PRIVATE   void sqlite3VdbeTrace(Vdbe*,FILE*);
#endif
SQLITE_PRIVATE void sqlite3VdbeResetStepResult(Vdbe*);

SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe*,int);
SQLITE_PRIVATE int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, void(*)(void*));
SQLITE_PRIVATE void sqlite3VdbeCountChanges(Vdbe*);
SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe*);
SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, int);
SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe*,Vdbe*);
................................................................................
** Schema objects are automatically deallocated when the last Btree that
** references them is destroyed.   The TEMP Schema is manually freed by
** sqlite3_close().
*
** A thread must be holding a mutex on the corresponding Btree in order
** to access Schema content.  This implies that the thread must also be
** holding a mutex on the sqlite3 connection pointer that owns the Btree.
** For a TEMP Schema, on the connection mutex is required.
*/
struct Schema {
  int schema_cookie;   /* Database schema version number for this file */
  int iGeneration;     /* Generation counter.  Incremented with each change */
  Hash tblHash;        /* All tables indexed by name */
  Hash idxHash;        /* All (named) indices indexed by name */
  Hash trigHash;       /* All triggers indexed by name */
................................................................................
** consistently.
*/
struct sqlite3 {
  sqlite3_vfs *pVfs;            /* OS Interface */
  int nDb;                      /* Number of backends currently in use */
  Db *aDb;                      /* All backends */
  int flags;                    /* Miscellaneous flags. See below */
  int openFlags;                /* Flags passed to sqlite3_vfs.xOpen() */
  int errCode;                  /* Most recent error code (SQLITE_*) */
  int errMask;                  /* & result codes with this before returning */
  u8 autoCommit;                /* The auto-commit flag. */
  u8 temp_store;                /* 1: file 2: memory 0: default */
  u8 mallocFailed;              /* True if we have seen a malloc failure */
  u8 dfltLockMode;              /* Default locking-mode for attached dbs */
  signed char nextAutovac;      /* Autovac setting after VACUUM if >=0 */
  u8 suppressErr;               /* Do not issue error messages if true */

  int nextPagesize;             /* Pagesize after VACUUM if >0 */
  int nTable;                   /* Number of tables in the database */
  CollSeq *pDfltColl;           /* The default collating sequence (BINARY) */
  i64 lastRowid;                /* ROWID of most recent insert (see above) */
  u32 magic;                    /* Magic number for detect library misuse */
  int nChange;                  /* Value returned by sqlite3_changes() */
  int nTotalChange;             /* Value returned by sqlite3_total_changes() */
................................................................................
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  int (*xProgress)(void *);     /* The progress callback */
  void *pProgressArg;           /* Argument to the progress callback */
  int nProgressOps;             /* Number of opcodes for progress callback */
#endif
#ifndef SQLITE_OMIT_VIRTUALTABLE
  Hash aModule;                 /* populated by sqlite3_create_module() */
  Table *pVTab;                 /* vtab with active Connect/Create method */
  VTable **aVTrans;             /* Virtual tables with open transactions */
  int nVTrans;                  /* Allocated size of aVTrans */
  VTable *pDisconnect;    /* Disconnect these in next sqlite3_prepare() */
#endif
  FuncDefHash aFunc;            /* Hash table of connection functions */
  Hash aCollSeq;                /* All collating sequences */
  BusyHandler busyHandler;      /* Busy callback */
................................................................................
#define SQLITE_QueryFlattener 0x01        /* Disable query flattening */
#define SQLITE_ColumnCache    0x02        /* Disable the column cache */
#define SQLITE_IndexSort      0x04        /* Disable indexes for sorting */
#define SQLITE_IndexSearch    0x08        /* Disable indexes for searching */
#define SQLITE_IndexCover     0x10        /* Disable index covering table */
#define SQLITE_GroupByOrder   0x20        /* Disable GROUPBY cover of ORDERBY */
#define SQLITE_FactorOutConst 0x40        /* Disable factoring out constants */

#define SQLITE_OptMask        0xff        /* Mask of all disablable opts */

/*
** Possible values for the sqlite.magic field.
** The numbers are obtained at random and have no special meaning, other
** than being distinct from one another.
*/
................................................................................
** the first argument.
*/
struct VTable {
  sqlite3 *db;              /* Database connection associated with this table */
  Module *pMod;             /* Pointer to module implementation */
  sqlite3_vtab *pVtab;      /* Pointer to vtab instance */
  int nRef;                 /* Number of pointers to this structure */


  VTable *pNext;            /* Next in linked list (see above) */
};

/*
** Each SQL table is represented in memory by an instance of the
** following structure.
**
................................................................................
  u8 disableTriggers;  /* True to disable triggers */
  double nQueryLoop;   /* Estimated number of iterations of a query */

  /* Above is constant between recursions.  Below is reset before and after
  ** each recursion */

  int nVar;            /* Number of '?' variables seen in the SQL so far */
  int nVarExpr;        /* Number of used slots in apVarExpr[] */
  int nVarExprAlloc;   /* Number of allocated slots in apVarExpr[] */
  Expr **apVarExpr;    /* Pointers to :aaa and $aaaa wildcard expressions */
  Vdbe *pReprepare;    /* VM being reprepared (sqlite3Reprepare()) */
  int nAlias;          /* Number of aliased result set columns */
  int nAliasAlloc;     /* Number of allocated slots for aAlias[] */
  int *aAlias;         /* Register used to hold aliased result */
  u8 explain;          /* True if the EXPLAIN flag is found on the query */
  Token sNameToken;    /* Token with unqualified schema object name */
  Token sLastToken;    /* The last token parsed */
................................................................................
**
** This structure also contains some state information.
*/
struct Sqlite3Config {
  int bMemstat;                     /* True to enable memory status */
  int bCoreMutex;                   /* True to enable core mutexing */
  int bFullMutex;                   /* True to enable full mutexing */

  int mxStrlen;                     /* Maximum string length */
  int szLookaside;                  /* Default lookaside buffer size */
  int nLookaside;                   /* Default lookaside buffer count */
  sqlite3_mem_methods m;            /* Low-level memory allocation interface */
  sqlite3_mutex_methods mutex;      /* Low-level mutex interface */
  sqlite3_pcache_methods pcache;    /* Low-level page-cache interface */
  void *pHeap;                      /* Heap storage space */
................................................................................
  int isMutexInit;                  /* True after mutexes are initialized */
  int isMallocInit;                 /* True after malloc is initialized */
  int isPCacheInit;                 /* True after malloc is initialized */
  sqlite3_mutex *pInitMutex;        /* Mutex used by sqlite3_initialize() */
  int nRefInitMutex;                /* Number of users of pInitMutex */
  void (*xLog)(void*,int,const char*); /* Function for logging */
  void *pLogArg;                       /* First argument to xLog() */

};

/*
** Context pointer passed down through the tree-walk.
*/
struct Walker {
  int (*xExprCallback)(Walker*, Expr*);     /* Callback for expressions */
................................................................................
SQLITE_PRIVATE void sqlite3AddNotNull(Parse*, int);
SQLITE_PRIVATE void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int);
SQLITE_PRIVATE void sqlite3AddCheckConstraint(Parse*, Expr*);
SQLITE_PRIVATE void sqlite3AddColumnType(Parse*,Token*);
SQLITE_PRIVATE void sqlite3AddDefaultValue(Parse*,ExprSpan*);
SQLITE_PRIVATE void sqlite3AddCollateType(Parse*, Token*);
SQLITE_PRIVATE void sqlite3EndTable(Parse*,Token*,Token*,Select*);



SQLITE_PRIVATE Bitvec *sqlite3BitvecCreate(u32);
SQLITE_PRIVATE int sqlite3BitvecTest(Bitvec*, u32);
SQLITE_PRIVATE int sqlite3BitvecSet(Bitvec*, u32);
SQLITE_PRIVATE void sqlite3BitvecClear(Bitvec*, u32, void*);
SQLITE_PRIVATE void sqlite3BitvecDestroy(Bitvec*);
SQLITE_PRIVATE u32 sqlite3BitvecSize(Bitvec*);
................................................................................
SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*);
SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*);
SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8);
SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*);
SQLITE_PRIVATE int sqlite3Atoi(const char*);
SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar);
SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte);
SQLITE_PRIVATE int sqlite3Utf8Read(const u8*, const u8**);

/*
** Routines to read and write variable-length integers.  These used to
** be defined locally, but now we use the varint routines in the util.c
** file.  Code should use the MACRO forms below, as the Varint32 versions
** are coded to assume the single byte case is already handled (which 
** the MACRO form does).
................................................................................
SQLITE_PRIVATE void sqlite3TableAffinityStr(Vdbe *, Table *);
SQLITE_PRIVATE char sqlite3CompareAffinity(Expr *pExpr, char aff2);
SQLITE_PRIVATE int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity);
SQLITE_PRIVATE char sqlite3ExprAffinity(Expr *pExpr);
SQLITE_PRIVATE int sqlite3Atoi64(const char*, i64*, int, u8);
SQLITE_PRIVATE void sqlite3Error(sqlite3*, int, const char*,...);
SQLITE_PRIVATE void *sqlite3HexToBlob(sqlite3*, const char *z, int n);

SQLITE_PRIVATE int sqlite3TwoPartName(Parse *, Token *, Token *, Token **);
SQLITE_PRIVATE const char *sqlite3ErrStr(int);
SQLITE_PRIVATE int sqlite3ReadSchema(Parse *pParse);
SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int);
SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName);
SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr);
SQLITE_PRIVATE Expr *sqlite3ExprSetColl(Expr*, CollSeq*);
................................................................................
SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *, CollSeq *);
SQLITE_PRIVATE int sqlite3CheckObjectName(Parse *, const char *);
SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *, int);
SQLITE_PRIVATE int sqlite3AddInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3SubInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3MulInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3AbsInt32(int);







SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8);
SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8);
SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, 
                        void(*)(void*));
SQLITE_PRIVATE void sqlite3ValueFree(sqlite3_value*);
SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *);
................................................................................
#  define sqlite3VtabSync(X,Y) SQLITE_OK
#  define sqlite3VtabRollback(X)
#  define sqlite3VtabCommit(X)
#  define sqlite3VtabInSync(db) 0
#  define sqlite3VtabLock(X) 
#  define sqlite3VtabUnlock(X)
#  define sqlite3VtabUnlockList(X)

#else
SQLITE_PRIVATE    void sqlite3VtabClear(sqlite3 *db, Table*);
SQLITE_PRIVATE    int sqlite3VtabSync(sqlite3 *db, char **);
SQLITE_PRIVATE    int sqlite3VtabRollback(sqlite3 *db);
SQLITE_PRIVATE    int sqlite3VtabCommit(sqlite3 *db);
SQLITE_PRIVATE    void sqlite3VtabLock(VTable *);
SQLITE_PRIVATE    void sqlite3VtabUnlock(VTable *);
SQLITE_PRIVATE    void sqlite3VtabUnlockList(sqlite3*);

#  define sqlite3VtabInSync(db) ((db)->nVTrans>0 && (db)->aVTrans==0)
#endif
SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse*,Table*);
SQLITE_PRIVATE void sqlite3VtabBeginParse(Parse*, Token*, Token*, Token*);
SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse*, Token*);
SQLITE_PRIVATE void sqlite3VtabArgInit(Parse*);
SQLITE_PRIVATE void sqlite3VtabArgExtend(Parse*, Token*);
................................................................................
  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,  /* e0..e7    ........ */
  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,  /* e8..ef    ........ */
  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,  /* f0..f7    ........ */
  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40   /* f8..ff    ........ */
};
#endif





/*
** The following singleton contains the global configuration for
** the SQLite library.
*/
SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = {
   SQLITE_DEFAULT_MEMSTATUS,  /* bMemstat */
   1,                         /* bCoreMutex */
   SQLITE_THREADSAFE==1,      /* bFullMutex */

   0x7ffffffe,                /* mxStrlen */
   100,                       /* szLookaside */
   500,                       /* nLookaside */
   {0,0,0,0,0,0,0,0},         /* m */
   {0,0,0,0,0,0,0,0,0},       /* mutex */
   {0,0,0,0,0,0,0,0,0,0,0},   /* pcache */
   (void*)0,                  /* pHeap */
................................................................................
   0,                         /* isMutexInit */
   0,                         /* isMallocInit */
   0,                         /* isPCacheInit */
   0,                         /* pInitMutex */
   0,                         /* nRefInitMutex */
   0,                         /* xLog */
   0,                         /* pLogArg */

};


/*
** Hash table for global functions - functions common to all
** database connections.  After initialization, this table is
** read-only.
................................................................................
  u32 magic;              /* Magic number for sanity checking */
  char *zErrMsg;          /* Error message written here */
  Vdbe *pPrev,*pNext;     /* Linked list of VDBEs with the same Vdbe.db */
  VdbeCursor **apCsr;     /* One element of this array for each open cursor */
  Mem *aVar;              /* Values for the OP_Variable opcode. */
  char **azVar;           /* Name of variables */
  ynVar nVar;             /* Number of entries in aVar[] */

  u32 cacheCtr;           /* VdbeCursor row cache generation counter */
  int pc;                 /* The program counter */
  int rc;                 /* Value to return */
  u8 errorAction;         /* Recovery action to do in case of an error */
  u8 okVar;               /* True if azVar[] has been initialized */
  u8 explain;             /* True if EXPLAIN present on SQL command */
  u8 changeCntOn;         /* True to update the change-counter */
  u8 expired;             /* True if the VM needs to be recompiled */
  u8 runOnlyOnce;         /* Automatically expire on reset */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
  u8 inVtabMethod;        /* See comments above */
  u8 usesStmtJournal;     /* True if uses a statement journal */
................................................................................
**      Willmann-Bell, Inc
**      Richmond, Virginia (USA)
*/
#include <time.h>

#ifndef SQLITE_OMIT_DATETIME_FUNCS

/*
** On recent Windows platforms, the localtime_s() function is available
** as part of the "Secure CRT". It is essentially equivalent to 
** localtime_r() available under most POSIX platforms, except that the 
** order of the parameters is reversed.
**
** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx.
**
** If the user has not indicated to use localtime_r() or localtime_s()
** already, check for an MSVC build environment that provides 
** localtime_s().
*/
#if !defined(HAVE_LOCALTIME_R) && !defined(HAVE_LOCALTIME_S) && \
     defined(_MSC_VER) && defined(_CRT_INSECURE_DEPRECATE)
#define HAVE_LOCALTIME_S 1
#endif

/*
** A structure for holding a single date and time.
*/
typedef struct DateTime DateTime;
struct DateTime {
  sqlite3_int64 iJD; /* The julian day number times 86400000 */
................................................................................
** Clear the YMD and HMS and the TZ
*/
static void clearYMD_HMS_TZ(DateTime *p){
  p->validYMD = 0;
  p->validHMS = 0;
  p->validTZ = 0;
}


















#ifndef SQLITE_OMIT_LOCALTIME
/*







































** Compute the difference (in milliseconds)
** between localtime and UTC (a.k.a. GMT)
** for the time value p where p is in UTC.




*/
static sqlite3_int64 localtimeOffset(DateTime *p){




  DateTime x, y;
  time_t t;





  x = *p;
  computeYMD_HMS(&x);
  if( x.Y<1971 || x.Y>=2038 ){
    x.Y = 2000;
    x.M = 1;
    x.D = 1;
    x.h = 0;
................................................................................
    int s = (int)(x.s + 0.5);
    x.s = s;
  }
  x.tz = 0;
  x.validJD = 0;
  computeJD(&x);
  t = (time_t)(x.iJD/1000 - 21086676*(i64)10000);
#ifdef HAVE_LOCALTIME_R
  {
    struct tm sLocal;
    localtime_r(&t, &sLocal);
    y.Y = sLocal.tm_year + 1900;
    y.M = sLocal.tm_mon + 1;
    y.D = sLocal.tm_mday;
    y.h = sLocal.tm_hour;
    y.m = sLocal.tm_min;
    y.s = sLocal.tm_sec;



  }
#elif defined(HAVE_LOCALTIME_S) && HAVE_LOCALTIME_S
  {
    struct tm sLocal;
    localtime_s(&sLocal, &t);
    y.Y = sLocal.tm_year + 1900;
    y.M = sLocal.tm_mon + 1;
    y.D = sLocal.tm_mday;
    y.h = sLocal.tm_hour;
    y.m = sLocal.tm_min;
    y.s = sLocal.tm_sec;
  }
#else
  {
    struct tm *pTm;
    sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
    pTm = localtime(&t);
    y.Y = pTm->tm_year + 1900;
    y.M = pTm->tm_mon + 1;
    y.D = pTm->tm_mday;
    y.h = pTm->tm_hour;
    y.m = pTm->tm_min;
    y.s = pTm->tm_sec;
    sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
  }
#endif
  y.validYMD = 1;
  y.validHMS = 1;
  y.validJD = 0;
  y.validTZ = 0;
  computeJD(&y);

  return y.iJD - x.iJD;
}
#endif /* SQLITE_OMIT_LOCALTIME */

/*
** Process a modifier to a date-time stamp.  The modifiers are
** as follows:
................................................................................
**     start of week
**     start of day
**     weekday N
**     unixepoch
**     localtime
**     utc
**
** Return 0 on success and 1 if there is any kind of error.



*/
static int parseModifier(const char *zMod, DateTime *p){
  int rc = 1;
  int n;
  double r;
  char *z, zBuf[30];
  z = zBuf;
  for(n=0; n<ArraySize(zBuf)-1 && zMod[n]; n++){
    z[n] = (char)sqlite3UpperToLower[(u8)zMod[n]];
................................................................................
      /*    localtime
      **
      ** Assuming the current time value is UTC (a.k.a. GMT), shift it to
      ** show local time.
      */
      if( strcmp(z, "localtime")==0 ){
        computeJD(p);
        p->iJD += localtimeOffset(p);
        clearYMD_HMS_TZ(p);
        rc = 0;
      }
      break;
    }
#endif
    case 'u': {
      /*
      **    unixepoch
................................................................................
        clearYMD_HMS_TZ(p);
        rc = 0;
      }
#ifndef SQLITE_OMIT_LOCALTIME
      else if( strcmp(z, "utc")==0 ){
        sqlite3_int64 c1;
        computeJD(p);
        c1 = localtimeOffset(p);

        p->iJD -= c1;
        clearYMD_HMS_TZ(p);
        p->iJD += c1 - localtimeOffset(p);
        rc = 0;

      }
#endif
      break;
    }
    case 'w': {
      /*
      **    weekday N
................................................................................
  }else{
    z = sqlite3_value_text(argv[0]);
    if( !z || parseDateOrTime(context, (char*)z, p) ){
      return 1;
    }
  }
  for(i=1; i<argc; i++){
    if( (z = sqlite3_value_text(argv[i]))==0 || parseModifier((char*)z, p) ){
      return 1;
    }
  }
  return 0;
}


/*
** The following routines implement the various date and time functions
................................................................................
  int nFull;
  void *p;
  assert( sqlite3_mutex_held(mem0.mutex) );
  nFull = sqlite3GlobalConfig.m.xRoundup(n);
  sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, n);
  if( mem0.alarmCallback!=0 ){
    int nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED);
    if( nUsed+nFull >= mem0.alarmThreshold ){
      mem0.nearlyFull = 1;
      sqlite3MallocAlarm(nFull);
    }else{
      mem0.nearlyFull = 0;
    }
  }
  p = sqlite3GlobalConfig.m.xMalloc(nFull);
................................................................................
  sqlite3_free(p);
}

/*
** Change the size of an existing memory allocation
*/
SQLITE_PRIVATE void *sqlite3Realloc(void *pOld, int nBytes){
  int nOld, nNew;
  void *pNew;
  if( pOld==0 ){
    return sqlite3Malloc(nBytes); /* IMP: R-28354-25769 */
  }
  if( nBytes<=0 ){
    sqlite3_free(pOld); /* IMP: R-31593-10574 */
    return 0;
................................................................................
  ** xRoundup. */
  nNew = sqlite3GlobalConfig.m.xRoundup(nBytes);
  if( nOld==nNew ){
    pNew = pOld;
  }else if( sqlite3GlobalConfig.bMemstat ){
    sqlite3_mutex_enter(mem0.mutex);
    sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, nBytes);

    if( sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED)+nNew-nOld >= 
          mem0.alarmThreshold ){
      sqlite3MallocAlarm(nNew-nOld);
    }
    assert( sqlite3MemdebugHasType(pOld, MEMTYPE_HEAP) );
    assert( sqlite3MemdebugNoType(pOld, ~MEMTYPE_HEAP) );
    pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
    if( pNew==0 && mem0.alarmCallback ){
      sqlite3MallocAlarm(nBytes);
      pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
................................................................................
    while( zIn!=zTerm && (*zIn & 0xc0)==0x80 ){            \
      c = (c<<6) + (0x3f & *(zIn++));                      \
    }                                                      \
    if( c<0x80                                             \
        || (c&0xFFFFF800)==0xD800                          \
        || (c&0xFFFFFFFE)==0xFFFE ){  c = 0xFFFD; }        \
  }
SQLITE_PRIVATE int sqlite3Utf8Read(
  const unsigned char *zIn,       /* First byte of UTF-8 character */
  const unsigned char **pzNext    /* Write first byte past UTF-8 char here */
){
  unsigned int c;

  /* Same as READ_UTF8() above but without the zTerm parameter.
  ** For this routine, we assume the UTF8 string is always zero-terminated.
................................................................................
  p[1] = (u8)(v>>16);
  p[2] = (u8)(v>>8);
  p[3] = (u8)v;
}



#if !defined(SQLITE_OMIT_BLOB_LITERAL) || defined(SQLITE_HAS_CODEC)
/*
** Translate a single byte of Hex into an integer.
** This routine only works if h really is a valid hexadecimal
** character:  0..9a..fA..F
*/
static u8 hexToInt(int h){
  assert( (h>='0' && h<='9') ||  (h>='a' && h<='f') ||  (h>='A' && h<='F') );
#ifdef SQLITE_ASCII
  h += 9*(1&(h>>6));
#endif
#ifdef SQLITE_EBCDIC
  h += 9*(1&~(h>>4));
#endif
  return (u8)(h & 0xf);
}
#endif /* !SQLITE_OMIT_BLOB_LITERAL || SQLITE_HAS_CODEC */

#if !defined(SQLITE_OMIT_BLOB_LITERAL) || defined(SQLITE_HAS_CODEC)
/*
** Convert a BLOB literal of the form "x'hhhhhh'" into its binary
** value.  Return a pointer to its binary value.  Space to hold the
** binary value has been obtained from malloc and must be freed by
** the calling routine.
................................................................................
  char *zBlob;
  int i;

  zBlob = (char *)sqlite3DbMallocRaw(db, n/2 + 1);
  n--;
  if( zBlob ){
    for(i=0; i<n; i+=2){
      zBlob[i/2] = (hexToInt(z[i])<<4) | hexToInt(z[i+1]);
    }
    zBlob[i/2] = 0;
  }
  return zBlob;
}
#endif /* !SQLITE_OMIT_BLOB_LITERAL || SQLITE_HAS_CODEC */

................................................................................
** if the integer has a value of -2147483648, return +2147483647
*/
SQLITE_PRIVATE int sqlite3AbsInt32(int x){
  if( x>=0 ) return x;
  if( x==(int)0x80000000 ) return 0x7fffffff;
  return -x;
}



























/************** End of util.c ************************************************/
/************** Begin file hash.c ********************************************/
/*
** 2001 September 22
**
** The author disclaims copyright to this source code.  In place of
................................................................................
# endif
#endif /* SQLITE_ENABLE_LOCKING_STYLE */

#if defined(__APPLE__) || (SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORKS)
# include <sys/mount.h>
#endif





/*
** Allowed values of unixFile.fsFlags
*/
#define SQLITE_FSFLAGS_IS_MSDOS     0x1

/*
** If we are to be thread-safe, include the pthreads header and define
................................................................................
** testing and debugging only.
*/
#if SQLITE_THREADSAFE
#define threadid pthread_self()
#else
#define threadid 0
#endif













/*
** Many system calls are accessed through pointer-to-functions so that
** they may be overridden at runtime to facilitate fault injection during
** testing and sandboxing.  The following array holds the names and pointers
** to all overrideable system calls.
*/
static struct unix_syscall {
  const char *zName;            /* Name of the sytem call */
  sqlite3_syscall_ptr pCurrent; /* Current value of the system call */
  sqlite3_syscall_ptr pDefault; /* Default value */
} aSyscall[] = {
  { "open",         (sqlite3_syscall_ptr)open,       0  },
#define osOpen      ((int(*)(const char*,int,...))aSyscall[0].pCurrent)

  { "close",        (sqlite3_syscall_ptr)close,      0  },
#define osClose     ((int(*)(int))aSyscall[1].pCurrent)

  { "access",       (sqlite3_syscall_ptr)access,     0  },
#define osAccess    ((int(*)(const char*,int))aSyscall[2].pCurrent)

................................................................................

  { "fcntl",        (sqlite3_syscall_ptr)fcntl,      0  },
#define osFcntl     ((int(*)(int,int,...))aSyscall[7].pCurrent)

  { "read",         (sqlite3_syscall_ptr)read,       0  },
#define osRead      ((ssize_t(*)(int,void*,size_t))aSyscall[8].pCurrent)

#if defined(USE_PREAD) || defined(SQLITE_ENABLE_LOCKING_STYLE)
  { "pread",        (sqlite3_syscall_ptr)pread,      0  },
#else
  { "pread",        (sqlite3_syscall_ptr)0,          0  },
#endif
#define osPread     ((ssize_t(*)(int,void*,size_t,off_t))aSyscall[9].pCurrent)

#if defined(USE_PREAD64)
................................................................................
  { "pread64",      (sqlite3_syscall_ptr)0,          0  },
#endif
#define osPread64   ((ssize_t(*)(int,void*,size_t,off_t))aSyscall[10].pCurrent)

  { "write",        (sqlite3_syscall_ptr)write,      0  },
#define osWrite     ((ssize_t(*)(int,const void*,size_t))aSyscall[11].pCurrent)

#if defined(USE_PREAD) || defined(SQLITE_ENABLE_LOCKING_STYLE)
  { "pwrite",       (sqlite3_syscall_ptr)pwrite,     0  },
#else
  { "pwrite",       (sqlite3_syscall_ptr)0,          0  },
#endif
#define osPwrite    ((ssize_t(*)(int,const void*,size_t,off_t))\
                    aSyscall[12].pCurrent)

................................................................................
  unsigned char bProcessLock;     /* An exclusive process lock is held */
  int nRef;                       /* Number of pointers to this structure */
  unixShmNode *pShmNode;          /* Shared memory associated with this inode */
  int nLock;                      /* Number of outstanding file locks */
  UnixUnusedFd *pUnused;          /* Unused file descriptors to close */
  unixInodeInfo *pNext;           /* List of all unixInodeInfo objects */
  unixInodeInfo *pPrev;           /*    .... doubly linked */
#if defined(SQLITE_ENABLE_LOCKING_STYLE)
  unsigned long long sharedByte;  /* for AFP simulated shared lock */
#endif
#if OS_VXWORKS
  sem_t *pSem;                    /* Named POSIX semaphore */
  char aSemName[MAX_PATHNAME+2];  /* Name of that semaphore */
#endif
};
................................................................................


  /* If we have any lock, then the lock file already exists.  All we have
  ** to do is adjust our internal record of the lock level.
  */
  if( pFile->eFileLock > NO_LOCK ){
    pFile->eFileLock = eFileLock;
#if !OS_VXWORKS
    /* Always update the timestamp on the old file */



    utimes(zLockFile, NULL);
#endif
    return SQLITE_OK;
  }
  
  /* grab an exclusive lock */
  fd = robust_open(zLockFile,O_RDONLY|O_CREAT|O_EXCL,0600);
................................................................................
    offset += wrote;
    pBuf = &((char*)pBuf)[wrote];
  }
  SimulateIOError(( wrote=(-1), amt=1 ));
  SimulateDiskfullError(( wrote=0, amt=1 ));

  if( amt>0 ){
    if( wrote<0 ){
      /* lastErrno set by seekAndWrite */
      return SQLITE_IOERR_WRITE;
    }else{
      pFile->lastErrno = 0; /* not a system error */
      return SQLITE_FULL;
    }
  }
................................................................................
*/
struct unixShmNode {
  unixInodeInfo *pInode;     /* unixInodeInfo that owns this SHM node */
  sqlite3_mutex *mutex;      /* Mutex to access this object */
  char *zFilename;           /* Name of the mmapped file */
  int h;                     /* Open file descriptor */
  int szRegion;              /* Size of shared-memory regions */
  int nRegion;               /* Size of array apRegion */

  char **apRegion;           /* Array of mapped shared-memory regions */
  int nRef;                  /* Number of unixShm objects pointing to this */
  unixShm *pFirst;           /* All unixShm objects pointing to this */
#ifdef SQLITE_DEBUG
  u8 exclMask;               /* Mask of exclusive locks held */
  u8 sharedMask;             /* Mask of shared locks held */
  u8 nextShmId;              /* Next available unixShm.id value */
................................................................................
    zShmFilename = pShmNode->zFilename = (char*)&pShmNode[1];
#ifdef SQLITE_SHM_DIRECTORY
    sqlite3_snprintf(nShmFilename, zShmFilename, 
                     SQLITE_SHM_DIRECTORY "/sqlite-shm-%x-%x",
                     (u32)sStat.st_ino, (u32)sStat.st_dev);
#else
    sqlite3_snprintf(nShmFilename, zShmFilename, "%s-shm", pDbFd->zPath);

#endif
    pShmNode->h = -1;
    pDbFd->pInode->pShmNode = pShmNode;
    pShmNode->pInode = pDbFd->pInode;
    pShmNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
    if( pShmNode->mutex==0 ){
      rc = SQLITE_NOMEM;
................................................................................
      goto shm_open_err;
    }

    if( pInode->bProcessLock==0 ){
      pShmNode->h = robust_open(zShmFilename, O_RDWR|O_CREAT,
                               (sStat.st_mode & 0777));
      if( pShmNode->h<0 ){








        rc = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zShmFilename);
        goto shm_open_err;

      }
  
      /* Check to see if another process is holding the dead-man switch.
      ** If not, truncate the file to zero length. 
      */
      rc = SQLITE_OK;
      if( unixShmSystemLock(pShmNode, F_WRLCK, UNIX_SHM_DMS, 1)==SQLITE_OK ){
................................................................................
      rc = SQLITE_IOERR_NOMEM;
      goto shmpage_out;
    }
    pShmNode->apRegion = apNew;
    while(pShmNode->nRegion<=iRegion){
      void *pMem;
      if( pShmNode->h>=0 ){
        pMem = mmap(0, szRegion, PROT_READ|PROT_WRITE, 

            MAP_SHARED, pShmNode->h, pShmNode->nRegion*szRegion
        );
        if( pMem==MAP_FAILED ){
          rc = SQLITE_IOERR;
          goto shmpage_out;
        }
      }else{
        pMem = sqlite3_malloc(szRegion);
        if( pMem==0 ){
          rc = SQLITE_NOMEM;
          goto shmpage_out;
................................................................................

shmpage_out:
  if( pShmNode->nRegion>iRegion ){
    *pp = pShmNode->apRegion[iRegion];
  }else{
    *pp = 0;
  }

  sqlite3_mutex_leave(pShmNode->mutex);
  return rc;
}

/*
** Change the lock state for a shared-memory segment.
**
................................................................................
** mask SQLITE_DEFAULT_FILE_PERMISSIONS.
**
** Finally, if the file being opened is a WAL or regular journal file, then 
** this function queries the file-system for the permissions on the 
** corresponding database file and sets *pMode to this value. Whenever 
** possible, WAL and journal files are created using the same permissions 
** as the associated database file.





*/
static int findCreateFileMode(
  const char *zPath,              /* Path of file (possibly) being created */
  int flags,                      /* Flags passed as 4th argument to xOpen() */
  mode_t *pMode                   /* OUT: Permissions to open file with */
){
  int rc = SQLITE_OK;             /* Return Code */

  if( flags & (SQLITE_OPEN_WAL|SQLITE_OPEN_MAIN_JOURNAL) ){
    char zDb[MAX_PATHNAME+1];     /* Database file path */
    int nDb;                      /* Number of valid bytes in zDb */
    struct stat sStat;            /* Output of stat() on database file */

    /* zPath is a path to a WAL or journal file. The following block derives
    ** the path to the associated database file from zPath. This block handles
    ** the following naming conventions:
    **
    **   "<path to db>-journal"
    **   "<path to db>-wal"
    **   "<path to db>-journal-NNNN"
    **   "<path to db>-wal-NNNN"
    **
    ** where NNNN is a 4 digit decimal number. The NNNN naming schemes are 
    ** used by the test_multiplex.c module.
    */
    nDb = sqlite3Strlen30(zPath) - 1; 
    while( nDb>0 && zPath[nDb]!='l' ) nDb--;
    nDb -= ((flags & SQLITE_OPEN_WAL) ? 3 : 7);
    memcpy(zDb, zPath, nDb);
    zDb[nDb] = '\0';

    if( 0==stat(zDb, &sStat) ){
      *pMode = sStat.st_mode & 0777;
    }else{
      rc = SQLITE_IOERR_FSTAT;
    }
  }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
    *pMode = 0600;
  }else{
    *pMode = SQLITE_DEFAULT_FILE_PERMISSIONS;
  }
  return rc;
}

/*
** Open the file zPath.
** 
................................................................................
  WCHAR *zDeleteOnClose;  /* Name of file to delete when closing */
  HANDLE hMutex;          /* Mutex used to control access to shared lock */  
  HANDLE hShared;         /* Shared memory segment used for locking */
  winceLock local;        /* Locks obtained by this instance of winFile */
  winceLock *shared;      /* Global shared lock memory for the file  */
#endif
};


/*
** Forward prototypes.
*/
static int getSectorSize(
    sqlite3_vfs *pVfs,
    const char *zRelative     /* UTF-8 file name */
................................................................................
  return zFilenameUtf8;
}

/*
** Convert UTF-8 to multibyte character string.  Space to hold the 
** returned string is obtained from malloc().
*/
static char *utf8ToMbcs(const char *zFilename){
  char *zFilenameMbcs;
  WCHAR *zTmpWide;

  zTmpWide = utf8ToUnicode(zFilename);
  if( zTmpWide==0 ){
    return 0;
  }
  zFilenameMbcs = unicodeToMbcs(zTmpWide);
  free(zTmpWide);
  return zFilenameMbcs;
}








































































































#if SQLITE_OS_WINCE
/*************************************************************************
** This section contains code for WinCE only.
*/
/*
** WindowsCE does not have a localtime() function.  So create a
** substitute.
................................................................................
    if (*zTok == '\\') *zTok = '_';
  }

  /* Create/open the named mutex */
  pFile->hMutex = CreateMutexW(NULL, FALSE, zName);
  if (!pFile->hMutex){
    pFile->lastErrno = GetLastError();

    free(zName);
    return FALSE;
  }

  /* Acquire the mutex before continuing */
  winceMutexAcquire(pFile->hMutex);
  
................................................................................
  /* If we succeeded in making the shared memory handle, map it. */
  if (pFile->hShared){
    pFile->shared = (winceLock*)MapViewOfFile(pFile->hShared, 
             FILE_MAP_READ|FILE_MAP_WRITE, 0, 0, sizeof(winceLock));
    /* If mapping failed, close the shared memory handle and erase it */
    if (!pFile->shared){
      pFile->lastErrno = GetLastError();

      CloseHandle(pFile->hShared);
      pFile->hShared = NULL;
    }
  }

  /* If shared memory could not be created, then close the mutex and fail */
  if (pFile->hShared == NULL){
................................................................................
  ** INVALID_SET_FILE_POINTER may also be a valid new offset. So to determine 
  ** whether an error has actually occured, it is also necessary to call 
  ** GetLastError().
  */
  dwRet = SetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);
  if( (dwRet==INVALID_SET_FILE_POINTER && GetLastError()!=NO_ERROR) ){
    pFile->lastErrno = GetLastError();

    return 1;
  }

  return 0;
}

/*
................................................................................
       Sleep(100);  /* Wait a little before trying again */
    }
    free(pFile->zDeleteOnClose);
  }
#endif
  OSTRACE(("CLOSE %d %s\n", pFile->h, rc ? "ok" : "failed"));
  OpenCounter(-1);
  return rc ? SQLITE_OK : SQLITE_IOERR;

}

/*
** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
................................................................................
  OSTRACE(("READ %d lock=%d\n", pFile->h, pFile->locktype));

  if( seekWinFile(pFile, offset) ){
    return SQLITE_FULL;
  }
  if( !ReadFile(pFile->h, pBuf, amt, &nRead, 0) ){
    pFile->lastErrno = GetLastError();
    return SQLITE_IOERR_READ;
  }
  if( nRead<(DWORD)amt ){
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[nRead], 0, amt-nRead);
    return SQLITE_IOERR_SHORT_READ;
  }

................................................................................
    if( nRem>0 ){
      pFile->lastErrno = GetLastError();
      rc = 1;
    }
  }

  if( rc ){
    if( pFile->lastErrno==ERROR_HANDLE_DISK_FULL ){

      return SQLITE_FULL;
    }
    return SQLITE_IOERR_WRITE;
  }
  return SQLITE_OK;
}

/*
** Truncate an open file to a specified size
*/
................................................................................
  */
  if( pFile->szChunk ){
    nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
  }

  /* SetEndOfFile() returns non-zero when successful, or zero when it fails. */
  if( seekWinFile(pFile, nByte) ){
    rc = SQLITE_IOERR_TRUNCATE;
  }else if( 0==SetEndOfFile(pFile->h) ){
    pFile->lastErrno = GetLastError();
    rc = SQLITE_IOERR_TRUNCATE;
  }

  OSTRACE(("TRUNCATE %d %lld %s\n", pFile->h, nByte, rc ? "failed" : "ok"));
  return rc;
}

#ifdef SQLITE_TEST
................................................................................

/*
** Make sure all writes to a particular file are committed to disk.
*/
static int winSync(sqlite3_file *id, int flags){
#if !defined(NDEBUG) || !defined(SQLITE_NO_SYNC) || defined(SQLITE_DEBUG)
  winFile *pFile = (winFile*)id;

#else
  UNUSED_PARAMETER(id);
#endif

  assert( pFile );
  /* Check that one of SQLITE_SYNC_NORMAL or FULL was passed */
  assert((flags&0x0F)==SQLITE_SYNC_NORMAL
      || (flags&0x0F)==SQLITE_SYNC_FULL
  );

  OSTRACE(("SYNC %d lock=%d\n", pFile->h, pFile->locktype));






#ifndef SQLITE_TEST
  UNUSED_PARAMETER(flags);
#else
  if( flags & SQLITE_SYNC_FULL ){
    sqlite3_fullsync_count++;
  }
  sqlite3_sync_count++;
#endif

  /* Unix cannot, but some systems may return SQLITE_FULL from here. This
  ** line is to test that doing so does not cause any problems.
  */
  SimulateDiskfullError( return SQLITE_FULL );
  SimulateIOError( return SQLITE_IOERR; );

  /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
  ** no-op
  */
#ifdef SQLITE_NO_SYNC
  return SQLITE_OK;
#else
  if( FlushFileBuffers(pFile->h) ){


    return SQLITE_OK;
  }else{
    pFile->lastErrno = GetLastError();
    return SQLITE_IOERR;
  }
#endif
}

/*
** Determine the current size of a file in bytes
*/
................................................................................
  assert( id!=0 );
  SimulateIOError(return SQLITE_IOERR_FSTAT);
  lowerBits = GetFileSize(pFile->h, &upperBits);
  if(   (lowerBits == INVALID_FILE_SIZE)
     && ((error = GetLastError()) != NO_ERROR) )
  {
    pFile->lastErrno = error;
    return SQLITE_IOERR_FSTAT;
  }
  *pSize = (((sqlite3_int64)upperBits)<<32) + lowerBits;
  return SQLITE_OK;
}

/*
** LOCKFILE_FAIL_IMMEDIATELY is undefined on some Windows systems.
................................................................................
    sqlite3_randomness(sizeof(lk), &lk);
    pFile->sharedLockByte = (short)((lk & 0x7fffffff)%(SHARED_SIZE - 1));
    res = LockFile(pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
#endif
  }
  if( res == 0 ){
    pFile->lastErrno = GetLastError();

  }
  return res;
}

/*
** Undo a readlock
*/
................................................................................
/* isNT() is 1 if SQLITE_OS_WINCE==1, so this else is never executed. 
*/
#if SQLITE_OS_WINCE==0
  }else{
    res = UnlockFile(pFile->h, SHARED_FIRST + pFile->sharedLockByte, 0, 1, 0);
#endif
  }
  if( res == 0 ){
    pFile->lastErrno = GetLastError();

  }
  return res;
}

/*
** Lock the file with the lock specified by parameter locktype - one
** of the following:
................................................................................
          pFile->locktype, pFile->sharedLockByte));
  type = pFile->locktype;
  if( type>=EXCLUSIVE_LOCK ){
    UnlockFile(pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
    if( locktype==SHARED_LOCK && !getReadLock(pFile) ){
      /* This should never happen.  We should always be able to
      ** reacquire the read lock */
      rc = SQLITE_IOERR_UNLOCK;
    }
  }
  if( type>=RESERVED_LOCK ){
    UnlockFile(pFile->h, RESERVED_BYTE, 0, 1, 0);
  }
  if( locktype==NO_LOCK && type>=SHARED_LOCK ){
    unlockReadLock(pFile);
................................................................................
  if( pNew==0 ){
    sqlite3_free(p);
    return SQLITE_NOMEM;
  }
  memset(pNew, 0, sizeof(*pNew));
  pNew->zFilename = (char*)&pNew[1];
  sqlite3_snprintf(nName+15, pNew->zFilename, "%s-shm", pDbFd->zPath);


  /* Look to see if there is an existing winShmNode that can be used.
  ** If no matching winShmNode currently exists, create a new one.
  */
  winShmEnterMutex();
  for(pShmNode = winShmNodeList; pShmNode; pShmNode=pShmNode->pNext){
    /* TBD need to come up with better match here.  Perhaps
................................................................................

    /* Check to see if another process is holding the dead-man switch.
    ** If not, truncate the file to zero length. 
    */
    if( winShmSystemLock(pShmNode, _SHM_WRLCK, WIN_SHM_DMS, 1)==SQLITE_OK ){
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, 0);
      if( rc!=SQLITE_OK ){
        rc = SQLITE_IOERR_SHMOPEN;
      }
    }
    if( rc==SQLITE_OK ){
      winShmSystemLock(pShmNode, _SHM_UNLCK, WIN_SHM_DMS, 1);
      rc = winShmSystemLock(pShmNode, _SHM_RDLCK, WIN_SHM_DMS, 1);
    }
    if( rc ) goto shm_open_err;
................................................................................

    /* The requested region is not mapped into this processes address space.
    ** Check to see if it has been allocated (i.e. if the wal-index file is
    ** large enough to contain the requested region).
    */
    rc = winFileSize((sqlite3_file *)&pShmNode->hFile, &sz);
    if( rc!=SQLITE_OK ){
      rc = SQLITE_IOERR_SHMSIZE;
      goto shmpage_out;
    }

    if( sz<nByte ){
      /* The requested memory region does not exist. If isWrite is set to
      ** zero, exit early. *pp will be set to NULL and SQLITE_OK returned.
      **
      ** Alternatively, if isWrite is non-zero, use ftruncate() to allocate
      ** the requested memory region.
      */
      if( !isWrite ) goto shmpage_out;
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, nByte);
      if( rc!=SQLITE_OK ){
        rc = SQLITE_IOERR_SHMSIZE;
        goto shmpage_out;
      }
    }

    /* Map the requested memory region into this processes address space. */
    apNew = (struct ShmRegion *)sqlite3_realloc(
        pShmNode->aRegion, (iRegion+1)*sizeof(apNew[0])
................................................................................
        );
        OSTRACE(("SHM-MAP pid-%d map region=%d offset=%d size=%d %s\n",
                 (int)GetCurrentProcessId(), pShmNode->nRegion, iOffset, szRegion,
                 pMap ? "ok" : "failed"));
      }
      if( !pMap ){
        pShmNode->lastErrno = GetLastError();
        rc = SQLITE_IOERR;
        if( hMap ) CloseHandle(hMap);
        goto shmpage_out;
      }

      pShmNode->aRegion[pShmNode->nRegion].pMap = pMap;
      pShmNode->aRegion[pShmNode->nRegion].hMap = hMap;
      pShmNode->nRegion++;
................................................................................
  void *zConverted = 0;
  if( isNT() ){
    zConverted = utf8ToUnicode(zFilename);
/* isNT() is 1 if SQLITE_OS_WINCE==1, so this else is never executed. 
*/
#if SQLITE_OS_WINCE==0
  }else{
    zConverted = utf8ToMbcs(zFilename);
#endif
  }
  /* caller will handle out of memory */
  return zConverted;
}

/*
................................................................................
  }
  zBuf[j] = 0;

  OSTRACE(("TEMP FILENAME: %s\n", zBuf));
  return SQLITE_OK; 
}

/*
** The return value of getLastErrorMsg
** is zero if the error message fits in the buffer, or non-zero
** otherwise (if the message was truncated).
*/
static int getLastErrorMsg(int nBuf, char *zBuf){
  /* FormatMessage returns 0 on failure.  Otherwise it
  ** returns the number of TCHARs written to the output
  ** buffer, excluding the terminating null char.
  */
  DWORD error = GetLastError();
  DWORD dwLen = 0;
  char *zOut = 0;

  if( isNT() ){
    WCHAR *zTempWide = NULL;
    dwLen = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                           NULL,
                           error,
                           0,
                           (LPWSTR) &zTempWide,
                           0,
                           0);
    if( dwLen > 0 ){
      /* allocate a buffer and convert to UTF8 */
      zOut = unicodeToUtf8(zTempWide);
      /* free the system buffer allocated by FormatMessage */
      LocalFree(zTempWide);
    }
/* isNT() is 1 if SQLITE_OS_WINCE==1, so this else is never executed. 
** Since the ASCII version of these Windows API do not exist for WINCE,
** it's important to not reference them for WINCE builds.
*/
#if SQLITE_OS_WINCE==0
  }else{
    char *zTemp = NULL;
    dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                           NULL,
                           error,
                           0,
                           (LPSTR) &zTemp,
                           0,
                           0);
    if( dwLen > 0 ){
      /* allocate a buffer and convert to UTF8 */
      zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
      /* free the system buffer allocated by FormatMessage */
      LocalFree(zTemp);
    }
#endif
  }
  if( 0 == dwLen ){
    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", error, error);
  }else{
    /* copy a maximum of nBuf chars to output buffer */
    sqlite3_snprintf(nBuf, zBuf, "%s", zOut);
    /* free the UTF8 buffer */
    free(zOut);
  }
  return 0;
}

/*
** Open a file.
*/
static int winOpen(
  sqlite3_vfs *pVfs,        /* Not used */
  const char *zName,        /* Name of the file (UTF-8) */
  sqlite3_file *id,         /* Write the SQLite file handle here */
................................................................................

  OSTRACE(("OPEN %d %s 0x%lx %s\n", 
           h, zName, dwDesiredAccess, 
           h==INVALID_HANDLE_VALUE ? "failed" : "ok"));

  if( h==INVALID_HANDLE_VALUE ){
    pFile->lastErrno = GetLastError();

    free(zConverted);
    if( isReadWrite ){
      return winOpen(pVfs, zName, id, 
             ((flags|SQLITE_OPEN_READONLY)&~(SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE)), pOutFlags);
    }else{
      return SQLITE_CANTOPEN_BKPT;
    }
................................................................................
  }
  free(zConverted);
  OSTRACE(("DELETE \"%s\" %s\n", zFilename,
       ( (rc==INVALID_FILE_ATTRIBUTES) && (error==ERROR_FILE_NOT_FOUND)) ?
         "ok" : "failed" ));
 
  return (   (rc == INVALID_FILE_ATTRIBUTES) 
          && (error == ERROR_FILE_NOT_FOUND)) ? SQLITE_OK : SQLITE_IOERR_DELETE;

}

/*
** Check the existance and status of a file.
*/
static int winAccess(
  sqlite3_vfs *pVfs,         /* Not used on win32 */
................................................................................
          && sAttrData.nFileSizeLow==0 ){
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{
      if( GetLastError()!=ERROR_FILE_NOT_FOUND ){

        free(zConverted);
        return SQLITE_IOERR_ACCESS;
      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
    }
/* isNT() is 1 if SQLITE_OS_WINCE==1, so this else is never executed. 
................................................................................
  return SQLITE_OK;
#endif

#if !SQLITE_OS_WINCE && !defined(__CYGWIN__)
  int nByte;
  void *zConverted;
  char *zOut;








  /* It's odd to simulate an io-error here, but really this is just
  ** using the io-error infrastructure to test that SQLite handles this
  ** function failing. This function could fail if, for example, the
  ** current working directory has been unlinked.
  */
  SimulateIOError( return SQLITE_ERROR );
................................................................................
    );
    pCache->pSynced = pPg;
    if( !pPg ){
      for(pPg=pCache->pDirtyTail; pPg && pPg->nRef; pPg=pPg->pDirtyPrev);
    }
    if( pPg ){
      int rc;







      rc = pCache->xStress(pCache->pStress, pPg);
      if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
        return rc;
      }
    }

    pPage = sqlite3GlobalConfig.pcache.xFetch(pCache->pCache, pgno, 2);
................................................................................
  pCache = (PCache1 *)sqlite3_malloc(sz);
  if( pCache ){
    memset(pCache, 0, sz);
    if( separateCache ){
      pGroup = (PGroup*)&pCache[1];
      pGroup->mxPinned = 10;
    }else{
      pGroup = &pcache1_g.grp;
    }
    pCache->pGroup = pGroup;
    pCache->szPage = szPage;
    pCache->bPurgeable = (bPurgeable ? 1 : 0);
    if( bPurgeable ){
      pCache->nMin = 10;
      pcache1EnterMutex(pGroup);
................................................................................

#ifndef _WAL_H_
#define _WAL_H_


#ifdef SQLITE_OMIT_WAL
# define sqlite3WalOpen(x,y,z)                   0

# define sqlite3WalClose(w,x,y,z)                0
# define sqlite3WalBeginReadTransaction(y,z)     0
# define sqlite3WalEndReadTransaction(z)
# define sqlite3WalRead(v,w,x,y,z)               0
# define sqlite3WalDbsize(y)                     0
# define sqlite3WalBeginWriteTransaction(y)      0
# define sqlite3WalEndWriteTransaction(x)        0
................................................................................

/* Connection to a write-ahead log (WAL) file. 
** There is one object of this type for each pager. 
*/
typedef struct Wal Wal;

/* Open and close a connection to a write-ahead log. */
SQLITE_PRIVATE int sqlite3WalOpen(sqlite3_vfs*, sqlite3_file*, const char *zName, int, Wal**);
SQLITE_PRIVATE int sqlite3WalClose(Wal *pWal, int sync_flags, int, u8 *);




/* Used by readers to open (lock) and close (unlock) a snapshot.  A 
** snapshot is like a read-transaction.  It is the state of the database
** at an instant in time.  sqlite3WalOpenSnapshot gets a read lock and
** preserves the current state even if the other threads or processes
** write to or checkpoint the WAL.  sqlite3WalCloseSnapshot() closes the
** transaction and releases the lock.
*/
................................................................................
  int journalFileSize;     /* Bytes to allocate for each journal fd */
  char *zPathname = 0;     /* Full path to database file */
  int nPathname = 0;       /* Number of bytes in zPathname */
  int useJournal = (flags & PAGER_OMIT_JOURNAL)==0; /* False to omit journal */
  int noReadlock = (flags & PAGER_NO_READLOCK)!=0;  /* True to omit read-lock */
  int pcacheSize = sqlite3PcacheSize();       /* Bytes to allocate for PCache */
  u32 szPageDflt = SQLITE_DEFAULT_PAGE_SIZE;  /* Default page size */



  /* Figure out how much space is required for each journal file-handle
  ** (there are two of them, the main journal and the sub-journal). This
  ** is the maximum space required for an in-memory journal file handle 
  ** and a regular journal file-handle. Note that a "regular journal-handle"
  ** may be a wrapper capable of caching the first portion of the journal
  ** file in memory to implement the atomic-write optimization (see 
................................................................................
#endif

  /* Compute and store the full pathname in an allocated buffer pointed
  ** to by zPathname, length nPathname. Or, if this is a temporary file,
  ** leave both nPathname and zPathname set to 0.
  */
  if( zFilename && zFilename[0] ){

    nPathname = pVfs->mxPathname+1;
    zPathname = sqlite3Malloc(nPathname*2);
    if( zPathname==0 ){
      return SQLITE_NOMEM;
    }
    zPathname[0] = 0; /* Make sure initialized even if FullPathname() fails */
    rc = sqlite3OsFullPathname(pVfs, zFilename, nPathname, zPathname);
    nPathname = sqlite3Strlen30(zPathname);






    if( rc==SQLITE_OK && nPathname+8>pVfs->mxPathname ){
      /* This branch is taken when the journal path required by
      ** the database being opened will be more than pVfs->mxPathname
      ** bytes in length. This means the database cannot be opened,
      ** as it will not be possible to open the journal file or even
      ** check for a hot-journal before reading.
      */
................................................................................
  **     Journal file name               (nPathname+8+1 bytes)
  */
  pPtr = (u8 *)sqlite3MallocZero(
    ROUND8(sizeof(*pPager)) +      /* Pager structure */
    ROUND8(pcacheSize) +           /* PCache object */
    ROUND8(pVfs->szOsFile) +       /* The main db file */
    journalFileSize * 2 +          /* The two journal files */ 
    nPathname + 1 +                /* zFilename */
    nPathname + 8 + 1              /* zJournal */
#ifndef SQLITE_OMIT_WAL
    + nPathname + 4 + 1              /* zWal */
#endif
  );
  assert( EIGHT_BYTE_ALIGNMENT(SQLITE_INT_TO_PTR(journalFileSize)) );
  if( !pPtr ){
................................................................................
  pPager->jfd =  (sqlite3_file*)(pPtr += journalFileSize);
  pPager->zFilename =    (char*)(pPtr += journalFileSize);
  assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) );

  /* Fill in the Pager.zFilename and Pager.zJournal buffers, if required. */
  if( zPathname ){
    assert( nPathname>0 );
    pPager->zJournal =   (char*)(pPtr += nPathname + 1);
    memcpy(pPager->zFilename, zPathname, nPathname);

    memcpy(pPager->zJournal, zPathname, nPathname);
    memcpy(&pPager->zJournal[nPathname], "-journal", 8);

#ifndef SQLITE_OMIT_WAL
    pPager->zWal = &pPager->zJournal[nPathname+8+1];
    memcpy(pPager->zWal, zPathname, nPathname);
    memcpy(&pPager->zWal[nPathname], "-wal", 4);

#endif
    sqlite3_free(zPathname);
  }
  pPager->pVfs = pVfs;
  pPager->vfsFlags = vfsFlags;

  /* Open the pager file.
................................................................................
      if( pList==0 ){
        /* Must have at least one page for the WAL commit flag.
        ** Ticket [2d1a5c67dfc2363e44f29d9bbd57f] 2011-05-18 */
        rc = sqlite3PagerGet(pPager, 1, &pPageOne);
        pList = pPageOne;
        pList->pDirty = 0;
      }
      assert( pList!=0 || rc!=SQLITE_OK );
      if( pList ){
        rc = pagerWalFrames(pPager, pList, pPager->dbSize, 1, 
            (pPager->fullSync ? pPager->syncFlags : 0)
        );
      }
      sqlite3PagerUnref(pPageOne);
      if( rc==SQLITE_OK ){
        sqlite3PcacheCleanAll(pPager->pPCache);
................................................................................
**
** Setting the size limit to -1 means no limit is enforced.
** An attempt to set a limit smaller than -1 is a no-op.
*/
SQLITE_PRIVATE i64 sqlite3PagerJournalSizeLimit(Pager *pPager, i64 iLimit){
  if( iLimit>=-1 ){
    pPager->journalSizeLimit = iLimit;

  }
  return pPager->journalSizeLimit;
}

/*
** Return a pointer to the pPager->pBackup variable. The backup module
** in backup.c maintains the content of this variable. This module
................................................................................
  }

  /* Open the connection to the log file. If this operation fails, 
  ** (e.g. due to malloc() failure), return an error code.
  */
  if( rc==SQLITE_OK ){
    rc = sqlite3WalOpen(pPager->pVfs, 
        pPager->fd, pPager->zWal, pPager->exclusiveMode, &pPager->pWal

    );
  }

  return rc;
}


................................................................................
** following object.
*/
struct Wal {
  sqlite3_vfs *pVfs;         /* The VFS used to create pDbFd */
  sqlite3_file *pDbFd;       /* File handle for the database file */
  sqlite3_file *pWalFd;      /* File handle for WAL file */
  u32 iCallback;             /* Value to pass to log callback (or 0) */

  int nWiData;               /* Size of array apWiData */
  volatile u32 **apWiData;   /* Pointer to wal-index content in memory */
  u32 szPage;                /* Database page size */
  i16 readLock;              /* Which read lock is being held.  -1 for none */
  u8 exclusiveMode;          /* Non-zero if connection is in exclusive mode */
  u8 writeLock;              /* True if in a write transaction */
  u8 ckptLock;               /* True if holding a checkpoint lock */
  u8 readOnly;               /* True if the WAL file is open read-only */
  WalIndexHdr hdr;           /* Wal-index header for current transaction */
  const char *zWalName;      /* Name of WAL file */
  u32 nCkpt;                 /* Checkpoint sequence counter in the wal-header */
#ifdef SQLITE_DEBUG
  u8 lockError;              /* True if a locking error has occurred */
#endif
};
................................................................................
/*
** Candidate values for Wal.exclusiveMode.
*/
#define WAL_NORMAL_MODE     0
#define WAL_EXCLUSIVE_MODE  1     
#define WAL_HEAPMEMORY_MODE 2








/*
** Each page of the wal-index mapping contains a hash-table made up of
** an array of HASHTABLE_NSLOT elements of the following type.
*/
typedef u16 ht_slot;

/*
................................................................................
    if( pWal->exclusiveMode==WAL_HEAPMEMORY_MODE ){
      pWal->apWiData[iPage] = (u32 volatile *)sqlite3MallocZero(WALINDEX_PGSZ);
      if( !pWal->apWiData[iPage] ) rc = SQLITE_NOMEM;
    }else{
      rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ, 
          pWal->writeLock, (void volatile **)&pWal->apWiData[iPage]
      );




    }
  }

  *ppPage = pWal->apWiData[iPage];
  assert( iPage==0 || *ppPage || rc!=SQLITE_OK );
  return rc;
}
................................................................................
** an SQLite error code is returned and *ppWal is left unmodified.
*/
SQLITE_PRIVATE int sqlite3WalOpen(
  sqlite3_vfs *pVfs,              /* vfs module to open wal and wal-index */
  sqlite3_file *pDbFd,            /* The open database file */
  const char *zWalName,           /* Name of the WAL file */
  int bNoShm,                     /* True to run in heap-memory mode */

  Wal **ppWal                     /* OUT: Allocated Wal handle */
){
  int rc;                         /* Return Code */
  Wal *pRet;                      /* Object to allocate and return */
  int flags;                      /* Flags passed to OsOpen() */

  assert( zWalName && zWalName[0] );
................................................................................
    return SQLITE_NOMEM;
  }

  pRet->pVfs = pVfs;
  pRet->pWalFd = (sqlite3_file *)&pRet[1];
  pRet->pDbFd = pDbFd;
  pRet->readLock = -1;

  pRet->zWalName = zWalName;
  pRet->exclusiveMode = (bNoShm ? WAL_HEAPMEMORY_MODE: WAL_NORMAL_MODE);

  /* Open file handle on the write-ahead log file. */
  flags = (SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE|SQLITE_OPEN_WAL);
  rc = sqlite3OsOpen(pVfs, zWalName, pRet->pWalFd, flags, &flags);
  if( rc==SQLITE_OK && flags&SQLITE_OPEN_READONLY ){
    pRet->readOnly = 1;
  }

  if( rc!=SQLITE_OK ){
    walIndexClose(pRet, 0);
    sqlite3OsClose(pRet->pWalFd);
    sqlite3_free(pRet);
  }else{
    *ppWal = pRet;
    WALTRACE(("WAL%d: opened\n", pRet));
  }
  return rc;
}








/*
** Find the smallest page number out of all pages held in the WAL that
** has not been returned by any prior invocation of this method on the
** same WalIterator object.   Write into *piFrame the frame index where
** that page was last written into the WAL.  Write into *piPage the page
** number.
................................................................................
  */
  badHdr = (page0 ? walIndexTryHdr(pWal, pChanged) : 1);

  /* If the first attempt failed, it might have been due to a race
  ** with a writer.  So get a WRITE lock and try again.
  */
  assert( badHdr==0 || pWal->writeLock==0 );






  if( badHdr && SQLITE_OK==(rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1)) ){
    pWal->writeLock = 1;
    if( SQLITE_OK==(rc = walIndexPage(pWal, 0, &page0)) ){
      badHdr = walIndexTryHdr(pWal, pChanged);
      if( badHdr ){
        /* If the wal-index header is still malformed even while holding
        ** a WRITE lock, it can only mean that the header is corrupted and
        ** needs to be reconstructed.  So run recovery to do exactly that.
        */
        rc = walIndexRecover(pWal);
        *pChanged = 1;
      }
    }
    pWal->writeLock = 0;
    walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1);

  }

  /* If the header is read successfully, check the version number to make
  ** sure the wal-index was not constructed with some future format that
  ** this version of SQLite cannot understand.
  */
  if( badHdr==0 && pWal->hdr.iVersion!=WALINDEX_MAX_VERSION ){
................................................................................
      assert( thisMark!=READMARK_NOT_USED );
      mxReadMark = thisMark;
      mxI = i;
    }
  }
  /* There was once an "if" here. The extra "{" is to preserve indentation. */
  {

    if( mxReadMark < pWal->hdr.mxFrame || mxI==0 ){

      for(i=1; i<WAL_NREADER; i++){
        rc = walLockExclusive(pWal, WAL_READ_LOCK(i), 1);
        if( rc==SQLITE_OK ){
          mxReadMark = pInfo->aReadMark[i] = pWal->hdr.mxFrame;
          mxI = i;
          walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
          break;
        }else if( rc!=SQLITE_BUSY ){
          return rc;
        }
      }
    }
    if( mxI==0 ){
      assert( rc==SQLITE_BUSY );
      return WAL_RETRY;
    }

    rc = walLockShared(pWal, WAL_READ_LOCK(mxI));
    if( rc ){
      return rc==SQLITE_BUSY ? WAL_RETRY : rc;
    }
    /* Now that the read-lock has been obtained, check that neither the
................................................................................
        ** In theory it would be Ok to update the cache of the header only
        ** at this point. But updating the actual wal-index header is also
        ** safe and means there is no special case for sqlite3WalUndo()
        ** to handle if this transaction is rolled back.
        */
        int i;                    /* Loop counter */
        u32 *aSalt = pWal->hdr.aSalt;       /* Big-endian salt values */


















        pWal->nCkpt++;
        pWal->hdr.mxFrame = 0;
        sqlite3Put4byte((u8*)&aSalt[0], 1 + sqlite3Get4byte((u8*)&aSalt[0]));
        aSalt[1] = salt1;
        walIndexWriteHdr(pWal);
        pInfo->nBackfill = 0;
        for(i=1; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED;
................................................................................
  int rc;                         /* Return code */
  int isChanged = 0;              /* True if a new wal-index header is loaded */
  int eMode2 = eMode;             /* Mode to pass to walCheckpoint() */

  assert( pWal->ckptLock==0 );
  assert( pWal->writeLock==0 );


  WALTRACE(("WAL%p: checkpoint begins\n", pWal));
  rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1);
  if( rc ){
    /* Usually this is SQLITE_BUSY meaning that another thread or process
    ** is already running a checkpoint, or maybe a recovery.  But it might
    ** also be SQLITE_IOERR. */
    return rc;
................................................................................
    return;
  }
  offset = PTRMAP_PTROFFSET(iPtrmap, key);
  if( offset<0 ){
    *pRC = SQLITE_CORRUPT_BKPT;
    goto ptrmap_exit;
  }

  pPtrmap = (u8 *)sqlite3PagerGetData(pDbPage);

  if( eType!=pPtrmap[offset] || get4byte(&pPtrmap[offset+1])!=parent ){
    TRACE(("PTRMAP_UPDATE: %d->(%d,%d)\n", key, eType, parent));
    *pRC= rc = sqlite3PagerWrite(pDbPage);
    if( rc==SQLITE_OK ){
      pPtrmap[offset] = eType;
................................................................................
  rc = sqlite3PagerGet(pBt->pPager, iPtrmap, &pDbPage);
  if( rc!=0 ){
    return rc;
  }
  pPtrmap = (u8 *)sqlite3PagerGetData(pDbPage);

  offset = PTRMAP_PTROFFSET(iPtrmap, key);





  assert( pEType!=0 );
  *pEType = pPtrmap[offset];
  if( pPgno ) *pPgno = get4byte(&pPtrmap[offset+1]);

  sqlite3PagerUnref(pDbPage);
  if( *pEType<1 || *pEType>5 ) return SQLITE_CORRUPT_BKPT;
  return SQLITE_OK;
................................................................................
** the page, 1 means the second cell, and so forth) return a pointer
** to the cell content.
**
** This routine works only for pages that do not contain overflow cells.
*/
#define findCell(P,I) \
  ((P)->aData + ((P)->maskPage & get2byte(&(P)->aData[(P)->cellOffset+2*(I)])))



/*
** This a more complex version of findCell() that works for
** pages that do contain overflow cells.
*/
static u8 *findOverflowCell(MemPage *pPage, int iCell){
  int i;
................................................................................
** If the database is already opened in the same database connection
** and we are in shared cache mode, then the open will fail with an
** SQLITE_CONSTRAINT error.  We cannot allow two or more BtShared
** objects in the same database connection since doing so will lead
** to problems with locking.
*/
SQLITE_PRIVATE int sqlite3BtreeOpen(

  const char *zFilename,  /* Name of the file containing the BTree database */
  sqlite3 *db,            /* Associated database handle */
  Btree **ppBtree,        /* Pointer to new Btree object written here */
  int flags,              /* Options */
  int vfsFlags            /* Flags passed through to sqlite3_vfs.xOpen() */
){
  sqlite3_vfs *pVfs;             /* The VFS to use for this btree */
  BtShared *pBt = 0;             /* Shared part of btree structure */
  Btree *p;                      /* Handle to return */
  sqlite3_mutex *mutexOpen = 0;  /* Prevents a race condition. Ticket #3537 */
  int rc = SQLITE_OK;            /* Result code from this function */
  u8 nReserve;                   /* Byte of unused space on each page */
  unsigned char zDbHeader[100];  /* Database header content */

................................................................................
  const int isMemdb = 0;
#else
  const int isMemdb = (zFilename && strcmp(zFilename, ":memory:")==0)
                       || (isTempDb && sqlite3TempInMemory(db));
#endif

  assert( db!=0 );

  assert( sqlite3_mutex_held(db->mutex) );
  assert( (flags&0xff)==flags );   /* flags fit in 8 bits */

  /* Only a BTREE_SINGLE database can be BTREE_UNORDERED */
  assert( (flags & BTREE_UNORDERED)==0 || (flags & BTREE_SINGLE)!=0 );

  /* A BTREE_SINGLE database is always a temporary and/or ephemeral */
................................................................................
  }
  if( isMemdb ){
    flags |= BTREE_MEMORY;
  }
  if( (vfsFlags & SQLITE_OPEN_MAIN_DB)!=0 && (isMemdb || isTempDb) ){
    vfsFlags = (vfsFlags & ~SQLITE_OPEN_MAIN_DB) | SQLITE_OPEN_TEMP_DB;
  }
  pVfs = db->pVfs;
  p = sqlite3MallocZero(sizeof(Btree));
  if( !p ){
    return SQLITE_NOMEM;
  }
  p->inTrans = TRANS_NONE;
  p->db = db;
#ifndef SQLITE_OMIT_SHARED_CACHE
................................................................................
  if( pCur->eState==CURSOR_INVALID ){
    *pRes = -1;
    assert( pCur->apPage[pCur->iPage]->nCell==0 );
    return SQLITE_OK;
  }
  assert( pCur->apPage[0]->intKey || pIdxKey );
  for(;;){
    int lwr, upr;
    Pgno chldPg;
    MemPage *pPage = pCur->apPage[pCur->iPage];
    int c;

    /* pPage->nCell must be greater than zero. If this is the root-page
    ** the cursor would have been INVALID above and this for(;;) loop
    ** not run. If this is not the root-page, then the moveToChild() routine
................................................................................
    ** be the right kind (index or table) of b-tree page. Otherwise
    ** a moveToChild() or moveToRoot() call would have detected corruption.  */
    assert( pPage->nCell>0 );
    assert( pPage->intKey==(pIdxKey==0) );
    lwr = 0;
    upr = pPage->nCell-1;
    if( biasRight ){
      pCur->aiIdx[pCur->iPage] = (u16)upr;
    }else{
      pCur->aiIdx[pCur->iPage] = (u16)((upr+lwr)/2);
    }
    for(;;){
      int idx = pCur->aiIdx[pCur->iPage]; /* Index of current cell in pPage */
      u8 *pCell;                          /* Pointer to current cell in pPage */


      pCur->info.nSize = 0;
      pCell = findCell(pPage, idx) + pPage->childPtrSize;
      if( pPage->intKey ){
        i64 nCellKey;
        if( pPage->hasData ){
          u32 dummy;
          pCell += getVarint32(pCell, dummy);
................................................................................
        lwr = idx+1;
      }else{
        upr = idx-1;
      }
      if( lwr>upr ){
        break;
      }
      pCur->aiIdx[pCur->iPage] = (u16)((lwr+upr)/2);
    }
    assert( lwr==upr+1 );
    assert( pPage->isInit );
    if( pPage->leaf ){
      chldPg = 0;
    }else if( lwr>=pPage->nCell ){
      chldPg = get4byte(&pPage->aData[pPage->hdrOffset+8]);
................................................................................
** The cell content is not freed or deallocated.  It is assumed that
** the cell content has been copied someplace else.  This routine just
** removes the reference to the cell from pPage.
**
** "sz" must be the number of bytes in the cell.
*/
static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){
  int i;          /* Loop counter */
  u32 pc;         /* Offset to cell content of cell being deleted */
  u8 *data;       /* pPage->aData */
  u8 *ptr;        /* Used to move bytes around within data[] */

  int rc;         /* The return code */
  int hdr;        /* Beginning of the header.  0 most pages.  100 page 1 */

  if( *pRC ) return;

  assert( idx>=0 && idx<pPage->nCell );
  assert( sz==cellSize(pPage, idx) );
................................................................................
    return;
  }
  rc = freeSpace(pPage, pc, sz);
  if( rc ){
    *pRC = rc;
    return;
  }
  for(i=idx+1; i<pPage->nCell; i++, ptr+=2){
    ptr[0] = ptr[2];
    ptr[1] = ptr[3];


  }
  pPage->nCell--;
  put2byte(&data[hdr+3], pPage->nCell);
  pPage->nFree += 2;
}

/*
................................................................................
  int idx = 0;      /* Where to write new cell content in data[] */
  int j;            /* Loop counter */
  int end;          /* First byte past the last cell pointer in data[] */
  int ins;          /* Index in data[] where new cell pointer is inserted */
  int cellOffset;   /* Address of first cell pointer in data[] */
  u8 *data;         /* The content of the whole page */
  u8 *ptr;          /* Used for moving information around in data[] */


  int nSkip = (iChild ? 4 : 0);

  if( *pRC ) return;

  assert( i>=0 && i<=pPage->nCell+pPage->nOverflow );
  assert( pPage->nCell<=MX_CELL(pPage->pBt) && MX_CELL(pPage->pBt)<=10921 );
................................................................................
    assert( idx+sz <= (int)pPage->pBt->usableSize );
    pPage->nCell++;
    pPage->nFree -= (u16)(2 + sz);
    memcpy(&data[idx+nSkip], pCell+nSkip, sz-nSkip);
    if( iChild ){
      put4byte(&data[idx], iChild);
    }
    for(j=end, ptr=&data[j]; j>ins; j-=2, ptr-=2){
      ptr[0] = ptr[-2];
      ptr[1] = ptr[-1];



    }
    put2byte(&data[ins], idx);
    put2byte(&data[pPage->hdrOffset+3], pPage->nCell);
#ifndef SQLITE_OMIT_AUTOVACUUM
    if( pPage->pBt->autoVacuum ){
      /* The cell may contain a pointer to an overflow page. If so, write
      ** the entry for the overflow page into the pointer map.
................................................................................
  /* Check that the page has just been zeroed by zeroPage() */
  assert( pPage->nCell==0 );
  assert( get2byteNotZero(&data[hdr+5])==nUsable );

  pCellptr = &data[pPage->cellOffset + nCell*2];
  cellbody = nUsable;
  for(i=nCell-1; i>=0; i--){

    pCellptr -= 2;
    cellbody -= aSize[i];
    put2byte(pCellptr, cellbody);
    memcpy(&data[cellbody], apCell[i], aSize[i]);
  }
  put2byte(&data[hdr+3], nCell);
  put2byte(&data[hdr+5], cellbody);
  pPage->nFree -= (nCell*2 + nUsable - cellbody);
  pPage->nCell = (u16)nCell;
}

................................................................................
    ** process of being overwritten.  */
    MemPage *pOld = apCopy[i] = (MemPage*)&aSpace1[pBt->pageSize + k*i];
    memcpy(pOld, apOld[i], sizeof(MemPage));
    pOld->aData = (void*)&pOld[1];
    memcpy(pOld->aData, apOld[i]->aData, pBt->pageSize);

    limit = pOld->nCell+pOld->nOverflow;

    for(j=0; j<limit; j++){
      assert( nCell<nMaxCells );
      apCell[nCell] = findOverflowCell(pOld, j);
      szCell[nCell] = cellSizePtr(pOld, apCell[nCell]);
      nCell++;
    }











    if( i<nOld-1 && !leafData){
      u16 sz = (u16)szNew[i];
      u8 *pTemp;
      assert( nCell<nMaxCells );
      szCell[nCell] = sz;
      pTemp = &aSpace1[iSpace1];
      iSpace1 += sz;
................................................................................
  pOp->opcode = (u8)op;
  pOp->p5 = 0;
  pOp->p1 = p1;
  pOp->p2 = p2;
  pOp->p3 = p3;
  pOp->p4.p = 0;
  pOp->p4type = P4_NOTUSED;
  p->expired = 0;
  if( op==OP_ParseSchema ){
    /* Any program that uses the OP_ParseSchema opcode needs to lock
    ** all btrees. */
    int j;
    for(j=0; j<p->db->nDb; j++) sqlite3VdbeUsesBtree(p, j);
  }
#ifdef SQLITE_DEBUG
  pOp->zComment = 0;
  if( sqlite3VdbeAddopTrace ) sqlite3VdbePrintOp(0, i, &p->aOp[i]);
#endif
#ifdef VDBE_PROFILE
  pOp->cycles = 0;
  pOp->cnt = 0;
................................................................................
  const char *zP4,    /* The P4 operand */
  int p4type          /* P4 operand type */
){
  int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3);
  sqlite3VdbeChangeP4(p, addr, zP4, p4type);
  return addr;
}















/*
** Add an opcode that includes the p4 value as an integer.
*/
SQLITE_PRIVATE int sqlite3VdbeAddOp4Int(
  Vdbe *p,            /* Add the opcode to this VM */
  int op,             /* The new opcode */
................................................................................
  }else{
    *pnByte += nByte;
  }
  return pBuf;
}

/*








































** Prepare a virtual machine for execution.  This involves things such

** as allocating stack space and initializing the program counter.
** After the VDBE has be prepped, it can be executed by one or more
** calls to sqlite3VdbeExec().  
**
** This is the only way to move a VDBE from VDBE_MAGIC_INIT to
** VDBE_MAGIC_RUN.







**
** This function may be called more than once on a single virtual machine.
** The first call is made while compiling the SQL statement. Subsequent
** calls are made as part of the process of resetting a statement to be
** re-executed (from a call to sqlite3_reset()). The nVar, nMem, nCursor 
** and isExplain parameters are only passed correct values the first time
** the function is called. On subsequent calls, from sqlite3_reset(), nVar
** is passed -1 and nMem, nCursor and isExplain are all passed zero.


*/
SQLITE_PRIVATE void sqlite3VdbeMakeReady(
  Vdbe *p,                       /* The VDBE */
  int nVar,                      /* Number of '?' see in the SQL statement */
  int nMem,                      /* Number of memory cells to allocate */
  int nCursor,                   /* Number of cursors to allocate */
  int nArg,                      /* Maximum number of args in SubPrograms */
  int isExplain,                 /* True if the EXPLAIN keywords is present */
  int usesStmtJournal            /* True to set Vdbe.usesStmtJournal */

){
  int n;
  sqlite3 *db = p->db;










  assert( p!=0 );


  assert( p->magic==VDBE_MAGIC_INIT );







  /* There should be at least one opcode.
  */
  assert( p->nOp>0 );

  /* Set the magic to VDBE_MAGIC_RUN sooner rather than later. */
  p->magic = VDBE_MAGIC_RUN;

  /* For each cursor required, also allocate a memory cell. Memory
  ** cells (nMem+1-nCursor)..nMem, inclusive, will never be used by
  ** the vdbe program. Instead they are used to allocate space for
  ** VdbeCursor/BtCursor structures. The blob of memory associated with 
  ** cursor 0 is stored in memory cell nMem. Memory cell (nMem-1)
  ** stores the blob of memory associated with cursor 1, etc.
  **
  ** See also: allocateCursor().
  */
  nMem += nCursor;

  /* Allocate space for memory registers, SQL variables, VDBE cursors and 
  ** an array to marshal SQL function arguments in. This is only done the
  ** first time this function is called for a given VDBE, not when it is
  ** being called from sqlite3_reset() to reset the virtual machine.
  */
  if( nVar>=0 && ALWAYS(db->mallocFailed==0) ){
    u8 *zCsr = (u8 *)&p->aOp[p->nOp];       /* Memory avaliable for alloation */
    u8 *zEnd = (u8 *)&p->aOp[p->nOpAlloc];  /* First byte past available mem */
    int nByte;                              /* How much extra memory needed */

    resolveP2Values(p, &nArg);
    p->usesStmtJournal = (u8)usesStmtJournal;
    if( isExplain && nMem<10 ){
      nMem = 10;
    }
    memset(zCsr, 0, zEnd-zCsr);
    zCsr += (zCsr - (u8*)0)&7;
    assert( EIGHT_BYTE_ALIGNMENT(zCsr) );


    /* Memory for registers, parameters, cursor, etc, is allocated in two
    ** passes.  On the first pass, we try to reuse unused space at the 
    ** end of the opcode array.  If we are unable to satisfy all memory
    ** requirements by reusing the opcode array tail, then the second
    ** pass will fill in the rest using a fresh allocation.  
    **
    ** This two-pass approach that reuses as much memory as possible from
    ** the leftover space at the end of the opcode array can significantly
    ** reduce the amount of memory held by a prepared statement.
    */
    do {
      nByte = 0;
      p->aMem = allocSpace(p->aMem, nMem*sizeof(Mem), &zCsr, zEnd, &nByte);
      p->aVar = allocSpace(p->aVar, nVar*sizeof(Mem), &zCsr, zEnd, &nByte);
      p->apArg = allocSpace(p->apArg, nArg*sizeof(Mem*), &zCsr, zEnd, &nByte);
      p->azVar = allocSpace(p->azVar, nVar*sizeof(char*), &zCsr, zEnd, &nByte);
      p->apCsr = allocSpace(p->apCsr, nCursor*sizeof(VdbeCursor*),
                            &zCsr, zEnd, &nByte);
      if( nByte ){
        p->pFree = sqlite3DbMallocZero(db, nByte);
      }
      zCsr = p->pFree;
      zEnd = &zCsr[nByte];
    }while( nByte && !db->mallocFailed );

    p->nCursor = (u16)nCursor;
    if( p->aVar ){
      p->nVar = (ynVar)nVar;
      for(n=0; n<nVar; n++){
        p->aVar[n].flags = MEM_Null;
        p->aVar[n].db = db;
      }
    }





    if( p->aMem ){
      p->aMem--;                      /* aMem[] goes from 1..nMem */
      p->nMem = nMem;                 /*       not from 0..nMem-1 */
      for(n=1; n<=nMem; n++){
        p->aMem[n].flags = MEM_Null;
        p->aMem[n].db = db;
      }
    }
  }
#ifdef SQLITE_DEBUG
  for(n=1; n<p->nMem; n++){
    assert( p->aMem[n].db==db );
  }
#endif

  p->pc = -1;
  p->rc = SQLITE_OK;
  p->errorAction = OE_Abort;
  p->explain |= isExplain;
  p->magic = VDBE_MAGIC_RUN;
  p->nChange = 0;
  p->cacheCtr = 1;
  p->minWriteFileFormat = 255;
  p->iStatement = 0;
  p->nFkConstraint = 0;
#ifdef VDBE_PROFILE
  {
    int i;
    for(i=0; i<p->nOp; i++){
      p->aOp[i].cnt = 0;
      p->aOp[i].cycles = 0;
    }
  }
#endif

}

/*
** Close a VDBE cursor and release all the resources that cursor 
** happens to hold.
*/
SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){
................................................................................
      u32 iRandom;
      sqlite3DbFree(db, zMaster);
      sqlite3_randomness(sizeof(iRandom), &iRandom);
      zMaster = sqlite3MPrintf(db, "%s-mj%08X", zMainFile, iRandom&0x7fffffff);
      if( !zMaster ){
        return SQLITE_NOMEM;
      }

      rc = sqlite3OsAccess(pVfs, zMaster, SQLITE_ACCESS_EXISTS, &res);
    }while( rc==SQLITE_OK && res );
    if( rc==SQLITE_OK ){
      /* Open the master journal. */
      rc = sqlite3OsOpenMalloc(pVfs, zMaster, &pMaster, 
          SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE|
          SQLITE_OPEN_EXCLUSIVE|SQLITE_OPEN_MASTER_JOURNAL, 0
................................................................................
        if( rc==SQLITE_OK ){
          rc = rc2;
        }
      }
    }
    db->nStatement--;
    p->iStatement = 0;










    /* If the statement transaction is being rolled back, also restore the 
    ** database handles deferred constraint counter to the value it had when 
    ** the statement transaction was opened.  */
    if( eOp==SAVEPOINT_ROLLBACK ){
      db->nDeferredCons = p->nStmtDefCons;
    }
................................................................................
    }
  
    /* If eStatementOp is non-zero, then a statement transaction needs to
    ** be committed or rolled back. Call sqlite3VdbeCloseStatement() to
    ** do so. If this operation returns an error, and the current statement
    ** error code is SQLITE_OK or SQLITE_CONSTRAINT, then promote the
    ** current statement error code.
    **
    ** Note that sqlite3VdbeCloseStatement() can only fail if eStatementOp
    ** is SAVEPOINT_ROLLBACK.  But if p->rc==SQLITE_OK then eStatementOp
    ** must be SAVEPOINT_RELEASE.  Hence the NEVER(p->rc==SQLITE_OK) in 
    ** the following code.
    */
    if( eStatementOp ){
      rc = sqlite3VdbeCloseStatement(p, eStatementOp);
      if( rc ){
        assert( eStatementOp==SAVEPOINT_ROLLBACK );
        if( NEVER(p->rc==SQLITE_OK) || p->rc==SQLITE_CONSTRAINT ){
          p->rc = rc;
          sqlite3DbFree(db, p->zErrMsg);
          p->zErrMsg = 0;
        }
        invalidateCursorsOnModifiedBtrees(db);
        sqlite3RollbackAll(db);
        sqlite3CloseSavepoints(db);
................................................................................
** Free all memory associated with the Vdbe passed as the second argument.
** The difference between this function and sqlite3VdbeDelete() is that
** VdbeDelete() also unlinks the Vdbe from the list of VMs associated with
** the database connection.
*/
SQLITE_PRIVATE void sqlite3VdbeDeleteObject(sqlite3 *db, Vdbe *p){
  SubProgram *pSub, *pNext;

  assert( p->db==0 || p->db==db );
  releaseMemArray(p->aVar, p->nVar);
  releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
  for(pSub=p->pProgram; pSub; pSub=pNext){
    pNext = pSub->pNext;
    vdbeFreeOpArray(db, pSub->aOp, pSub->nOp);
    sqlite3DbFree(db, pSub);
  }

  vdbeFreeOpArray(db, p->aOp, p->nOp);
  sqlite3DbFree(db, p->aLabel);
  sqlite3DbFree(db, p->aColName);
  sqlite3DbFree(db, p->zSql);
  sqlite3DbFree(db, p->pFree);
  sqlite3DbFree(db, p);
}
................................................................................
  u = 0;
  while( idx<szHdr && u<p->nField && d<=nKey ){
    u32 serial_type;

    idx += getVarint32(&aKey[idx], serial_type);
    pMem->enc = pKeyInfo->enc;
    pMem->db = pKeyInfo->db;
    pMem->flags = 0;
    pMem->zMalloc = 0;
    d += sqlite3VdbeSerialGet(&aKey[d], serial_type, pMem);
    pMem++;
    u++;
  }
  assert( u<=pKeyInfo->nField + 1 );
  p->nField = u;
................................................................................
  return (void*)p;
}

/*
** This routine destroys a UnpackedRecord object.
*/
SQLITE_PRIVATE void sqlite3VdbeDeleteUnpackedRecord(UnpackedRecord *p){

  int i;
  Mem *pMem;

  assert( p!=0 );
  assert( p->flags & UNPACKED_NEED_DESTROY );
  for(i=0, pMem=p->aMem; i<p->nField; i++, pMem++){
    /* The unpacked record is always constructed by the
    ** sqlite3VdbeUnpackRecord() function above, which makes all
    ** strings and blobs static.  And none of the elements are
    ** ever transformed, so there is never anything to delete.
    */
    if( NEVER(pMem->zMalloc) ) sqlite3VdbeMemRelease(pMem);
  }

  if( p->flags & UNPACKED_NEED_FREE ){
    sqlite3DbFree(p->pKeyInfo->db, p);
  }
}

/*
** This function compares the two table rows or index records
................................................................................
  mem1.enc = pKeyInfo->enc;
  mem1.db = pKeyInfo->db;
  /* mem1.flags = 0;  // Will be initialized by sqlite3VdbeSerialGet() */
  VVA_ONLY( mem1.zMalloc = 0; ) /* Only needed by assert() statements */

  /* Compilers may complain that mem1.u.i is potentially uninitialized.
  ** We could initialize it, as shown here, to silence those complaints.
  ** But in fact, mem1.u.i will never actually be used initialized, and doing 
  ** the unnecessary initialization has a measurable negative performance
  ** impact, since this routine is a very high runner.  And so, we choose
  ** to ignore the compiler warnings and leave this variable uninitialized.
  */
  /*  mem1.u.i = 0;  // not needed, here to silence compiler warning */
  
  idx1 = getVarint32(aKey1, szHdr1);
................................................................................
  int rc;
  if( pStmt==0 ){
    rc = SQLITE_OK;
  }else{
    Vdbe *v = (Vdbe*)pStmt;
    sqlite3_mutex_enter(v->db->mutex);
    rc = sqlite3VdbeReset(v);
    sqlite3VdbeMakeReady(v, -1, 0, 0, 0, 0, 0);
    assert( (rc & (v->db->errMask))==rc );
    rc = sqlite3ApiExit(v->db, rc);
    sqlite3_mutex_leave(v->db->mutex);
  }
  return rc;
}

................................................................................
    ** caller. Set the error code in the database handle to the same value.
    */ 
    rc = db->errCode = p->rc;
  }
  return (rc&db->errMask);
}









/*
** This is the top-level implementation of sqlite3_step().  Call
** sqlite3Step() to do most of the work.  If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
SQLITE_API int sqlite3_step(sqlite3_stmt *pStmt){
  int rc = SQLITE_OK;      /* Result from sqlite3Step() */
................................................................................

  if( vdbeSafetyNotNull(v) ){
    return SQLITE_MISUSE_BKPT;
  }
  db = v->db;
  sqlite3_mutex_enter(db->mutex);
  while( (rc = sqlite3Step(v))==SQLITE_SCHEMA
         && cnt++ < 5
         && (rc2 = rc = sqlite3Reprepare(v))==SQLITE_OK ){
    sqlite3_reset(pStmt);
    v->expired = 0;
  }
  if( rc2!=SQLITE_OK && ALWAYS(v->isPrepareV2) && ALWAYS(db->pErr) ){
    /* This case occurs after failing to recompile an sql statement. 
    ** The error message from the SQL compiler has already been loaded 
................................................................................
** This routine is added to support DBD::SQLite.  
*/
SQLITE_API int sqlite3_bind_parameter_count(sqlite3_stmt *pStmt){
  Vdbe *p = (Vdbe*)pStmt;
  return p ? p->nVar : 0;
}

/*
** Create a mapping from variable numbers to variable names
** in the Vdbe.azVar[] array, if such a mapping does not already
** exist.
*/
static void createVarMap(Vdbe *p){
  if( !p->okVar ){
    int j;
    Op *pOp;
    sqlite3_mutex_enter(p->db->mutex);
    /* The race condition here is harmless.  If two threads call this
    ** routine on the same Vdbe at the same time, they both might end
    ** up initializing the Vdbe.azVar[] array.  That is a little extra
    ** work but it results in the same answer.
    */
    for(j=0, pOp=p->aOp; j<p->nOp; j++, pOp++){
      if( pOp->opcode==OP_Variable ){
        assert( pOp->p1>0 && pOp->p1<=p->nVar );
        p->azVar[pOp->p1-1] = pOp->p4.z;
      }
    }
    p->okVar = 1;
    sqlite3_mutex_leave(p->db->mutex);
  }
}

/*
** Return the name of a wildcard parameter.  Return NULL if the index
** is out of range or if the wildcard is unnamed.
**
** The result is always UTF-8.
*/
SQLITE_API const char *sqlite3_bind_parameter_name(sqlite3_stmt *pStmt, int i){
  Vdbe *p = (Vdbe*)pStmt;
  if( p==0 || i<1 || i>p->nVar ){
    return 0;
  }
  createVarMap(p);
  return p->azVar[i-1];
}

/*
** Given a wildcard parameter name, return the index of the variable
** with that name.  If there is no variable with the given name,
** return 0.
*/
SQLITE_PRIVATE int sqlite3VdbeParameterIndex(Vdbe *p, const char *zName, int nName){
  int i;
  if( p==0 ){
    return 0;
  }
  createVarMap(p); 
  if( zName ){
    for(i=0; i<p->nVar; i++){
      const char *z = p->azVar[i];
      if( z && memcmp(z,zName,nName)==0 && z[nName]==0 ){
        return i+1;
      }
    }
  }
  return 0;
................................................................................
  Mem *aMem = p->aMem;       /* Copy of p->aMem */
  Mem *pIn1 = 0;             /* 1st input operand */
  Mem *pIn2 = 0;             /* 2nd input operand */
  Mem *pIn3 = 0;             /* 3rd input operand */
  Mem *pOut = 0;             /* Output operand */
  int iCompare = 0;          /* Result of last OP_Compare operation */
  int *aPermute = 0;         /* Permutation of columns for OP_Compare */

#ifdef VDBE_PROFILE
  u64 start;                 /* CPU clock count at start of opcode */
  int origPc;                /* Program counter at start of opcode */
#endif
  /********************************************************************
  ** Automatically generated code
  **
................................................................................
      int i;
      sqlite_int64 rowid;
      Mem **apArg;
      Mem *pX;
    } cm;
    struct OP_Trace_stack_vars {
      char *zTrace;

    } cn;
  } u;
  /* End automatically generated code
  ********************************************************************/

  assert( p->magic==VDBE_MAGIC_RUN );  /* sqlite3_step() verifies this */
  sqlite3VdbeEnter(p);
................................................................................
  REGISTER_TRACE(pOp->p1, pIn1);
  pc = u.aa.pcDest;
  break;
}

/* Opcode:  HaltIfNull  P1 P2 P3 P4 *
**
** Check the value in register P3.  If is is NULL then Halt using
** parameter P1, P2, and P4 as if this were a Halt instruction.  If the
** value in register P3 is not NULL, then this routine is a no-op.
*/
case OP_HaltIfNull: {      /* in3 */
  pIn3 = &aMem[pOp->p3];
  if( (pIn3->flags & MEM_Null)==0 ) break;
  /* Fall through into OP_Halt */
................................................................................
  if( pOp->p1==SQLITE_OK && p->pFrame ){
    /* Halt the sub-program. Return control to the parent frame. */
    VdbeFrame *pFrame = p->pFrame;
    p->pFrame = pFrame->pParent;
    p->nFrame--;
    sqlite3VdbeSetChanges(db, p->nChange);
    pc = sqlite3VdbeFrameRestore(pFrame);

    if( pOp->p2==OE_Ignore ){
      /* Instruction pc is the OP_Program that invoked the sub-program 
      ** currently being halted. If the p2 instruction of this OP_Halt
      ** instruction is set to OE_Ignore, then the sub-program is throwing
      ** an IGNORE exception. In this case jump to the address specified
      ** as the p2 of the calling OP_Program.  */
      pc = p->aOp[pc].p2-1;
................................................................................
*/
case OP_Variable: {            /* out2-prerelease */
#if 0  /* local variables moved into u.ab */
  Mem *pVar;       /* Value being transferred */
#endif /* local variables moved into u.ab */

  assert( pOp->p1>0 && pOp->p1<=p->nVar );

  u.ab.pVar = &p->aVar[pOp->p1 - 1];
  if( sqlite3VdbeMemTooBig(u.ab.pVar) ){
    goto too_big;
  }
  sqlite3VdbeMemShallowCopy(pOut, u.ab.pVar, MEM_Static);
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
................................................................................
  u.ag.ctx.isError = 0;
  if( u.ag.ctx.pFunc->flags & SQLITE_FUNC_NEEDCOLL ){
    assert( pOp>aOp );
    assert( pOp[-1].p4type==P4_COLLSEQ );
    assert( pOp[-1].opcode==OP_CollSeq );
    u.ag.ctx.pColl = pOp[-1].p4.pColl;
  }

  (*u.ag.ctx.pFunc->xFunc)(&u.ag.ctx, u.ag.n, u.ag.apVal); /* IMP: R-24505-23230 */
  if( db->mallocFailed ){
    /* Even though a malloc() has failed, the implementation of the
    ** user function may have called an sqlite3_result_XXX() function
    ** to return a value. The following call releases any resources
    ** associated with such a value.
    */
    sqlite3VdbeMemRelease(&u.ag.ctx.s);
    goto no_mem;
  }

  /* If any auxiliary data functions have been called by this user function,
  ** immediately call the destructor for any non-static values.
  */
  if( u.ag.ctx.pVdbeFunc ){
    sqlite3VdbeDeleteAuxData(u.ag.ctx.pVdbeFunc, pOp->p1);
    pOp->p4.pVdbeFunc = u.ag.ctx.pVdbeFunc;
    pOp->p4type = P4_VDBEFUNC;
  }











  /* If the function returned an error, throw an exception */
  if( u.ag.ctx.isError ){
    sqlite3SetString(&p->zErrMsg, db, "%s", sqlite3_value_text(&u.ag.ctx.s));
    rc = u.ag.ctx.isError;
  }

................................................................................
** This works just like the Lt opcode except that the jump is taken if
** the operands in registers P1 and P3 are not equal.  See the Lt opcode for
** additional information.
**
** If SQLITE_NULLEQ is set in P5 then the result of comparison is always either
** true or false and is never NULL.  If both operands are NULL then the result
** of comparison is false.  If either operand is NULL then the result is true.
** If neither operand is NULL the the result is the same as it would be if
** the SQLITE_NULLEQ flag were omitted from P5.
*/
/* Opcode: Eq P1 P2 P3 P4 P5
**
** This works just like the Lt opcode except that the jump is taken if
** the operands in registers P1 and P3 are equal.
** See the Lt opcode for additional information.
**
** If SQLITE_NULLEQ is set in P5 then the result of comparison is always either
** true or false and is never NULL.  If both operands are NULL then the result
** of comparison is true.  If either operand is NULL then the result is false.
** If neither operand is NULL the the result is the same as it would be if
** the SQLITE_NULLEQ flag were omitted from P5.
*/
/* Opcode: Le P1 P2 P3 P4 P5
**
** This works just like the Lt opcode except that the jump is taken if
** the content of register P3 is less than or equal to the content of
** register P1.  See the Lt opcode for additional information.
................................................................................
  u16 flags3;         /* Copy of initial value of pIn3->flags */
#endif /* local variables moved into u.ai */

  pIn1 = &aMem[pOp->p1];
  pIn3 = &aMem[pOp->p3];
  u.ai.flags1 = pIn1->flags;
  u.ai.flags3 = pIn3->flags;
  if( (pIn1->flags | pIn3->flags)&MEM_Null ){
    /* One or both operands are NULL */
    if( pOp->p5 & SQLITE_NULLEQ ){
      /* If SQLITE_NULLEQ is set (which will only happen if the operator is
      ** OP_Eq or OP_Ne) then take the jump or not depending on whether
      ** or not both operands are null.
      */
      assert( pOp->opcode==OP_Eq || pOp->opcode==OP_Ne );
      u.ai.res = (pIn1->flags & pIn3->flags & MEM_Null)==0;
    }else{
      /* SQLITE_NULLEQ is clear and at least one operand is NULL,
      ** then the result is always NULL.
      ** The jump is taken if the SQLITE_JUMPIFNULL bit is set.
      */
      if( pOp->p5 & SQLITE_STOREP2 ){
        pOut = &aMem[pOp->p2];
................................................................................
    sqlite3VdbeMemSetInt64(pOut, ~sqlite3VdbeIntValue(pIn1));
  }
  break;
}

/* Opcode: If P1 P2 P3 * *
**
** Jump to P2 if the value in register P1 is true.  The value is
** is considered true if it is numeric and non-zero.  If the value
** in P1 is NULL then take the jump if P3 is true.
*/
/* Opcode: IfNot P1 P2 P3 * *
**
** Jump to P2 if the value in register P1 is False.  The value is
** is considered true if it has a numeric value of zero.  If the value
** in P1 is NULL then take the jump if P3 is true.
*/
case OP_If:                 /* jump, in1 */
case OP_IfNot: {            /* jump, in1 */
#if 0  /* local variables moved into u.al */
  int c;
................................................................................
      ** statements (i.e. open read/write incremental blob handles).
      */
      sqlite3SetString(&p->zErrMsg, db, "cannot open savepoint - "
        "SQL statements in progress");
      rc = SQLITE_BUSY;
    }else{
      u.aq.nName = sqlite3Strlen30(u.aq.zName);












      /* Create a new savepoint structure. */
      u.aq.pNew = sqlite3DbMallocRaw(db, sizeof(Savepoint)+u.aq.nName+1);
      if( u.aq.pNew ){
        u.aq.pNew->zName = (char *)&u.aq.pNew[1];
        memcpy(u.aq.pNew->zName, u.aq.zName, u.aq.nName+1);

................................................................................
        sqlite3DbFree(db, u.aq.pSavepoint);
        if( !isTransaction ){
          db->nSavepoint--;
        }
      }else{
        db->nDeferredCons = u.aq.pSavepoint->nDeferredCons;
      }





    }
  }

  break;
}

/* Opcode: AutoCommit P1 P2 * * *
................................................................................
    ){
      assert( sqlite3BtreeIsInTrans(u.as.pBt) );
      if( p->iStatement==0 ){
        assert( db->nStatement>=0 && db->nSavepoint>=0 );
        db->nStatement++;
        p->iStatement = db->nSavepoint + db->nStatement;
      }



      rc = sqlite3BtreeBeginStmt(u.as.pBt, p->iStatement);


      /* Store the current value of the database handles deferred constraint
      ** counter. If the statement transaction needs to be rolled back,
      ** the value of this counter needs to be restored too.  */
      p->nStmtDefCons = db->nDeferredCons;
    }
  }
................................................................................
      SQLITE_OPEN_DELETEONCLOSE |
      SQLITE_OPEN_TRANSIENT_DB;

  assert( pOp->p1>=0 );
  u.ax.pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, 1);
  if( u.ax.pCx==0 ) goto no_mem;
  u.ax.pCx->nullRow = 1;
  rc = sqlite3BtreeOpen(0, db, &u.ax.pCx->pBt,
                        BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5, vfsFlags);
  if( rc==SQLITE_OK ){
    rc = sqlite3BtreeBeginTrans(u.ax.pCx->pBt, 1);
  }
  if( rc==SQLITE_OK ){
    /* If a transient index is required, create it by calling
    ** sqlite3BtreeCreateTable() with the BTREE_BLOBKEY flag before
................................................................................
    }
  }
  break;
}

/* Opcode: NotExists P1 P2 P3 * *
**
** Use the content of register P3 as a integer key.  If a record 
** with that key does not exist in table of P1, then jump to P2. 
** If the record does exist, then fall through.  The cursor is left 
** pointing to the record if it exists.
**
** The difference between this operation and NotFound is that this
** operation assumes the key is an integer and that P1 is a table whereas
** NotFound assumes key is a blob constructed from MakeRecord and
................................................................................
** The record number is not previously used as a key in the database
** table that cursor P1 points to.  The new record number is written
** written to register P2.
**
** If P3>0 then P3 is a register in the root frame of this VDBE that holds 
** the largest previously generated record number. No new record numbers are
** allowed to be less than this value. When this value reaches its maximum, 
** a SQLITE_FULL error is generated. The P3 register is updated with the '
** generated record number. This P3 mechanism is used to help implement the
** AUTOINCREMENT feature.
*/
case OP_NewRowid: {           /* out2-prerelease */
#if 0  /* local variables moved into u.be */
  i64 v;                 /* The new rowid */
  VdbeCursor *pC;        /* Cursor of table to get the new rowid */
................................................................................
      /* IMPLEMENTATION-OF: R-07677-41881 If the largest ROWID is equal to the
      ** largest possible integer (9223372036854775807) then the database
      ** engine starts picking positive candidate ROWIDs at random until
      ** it finds one that is not previously used. */
      assert( pOp->p3==0 );  /* We cannot be in random rowid mode if this is
                             ** an AUTOINCREMENT table. */
      /* on the first attempt, simply do one more than previous */
      u.be.v = db->lastRowid;
      u.be.v &= (MAX_ROWID>>1); /* ensure doesn't go negative */
      u.be.v++; /* ensure non-zero */
      u.be.cnt = 0;
      while(   ((rc = sqlite3BtreeMovetoUnpacked(u.be.pC->pCursor, 0, (u64)u.be.v,
                                                 0, &u.be.res))==SQLITE_OK)
            && (u.be.res==0)
            && (++u.be.cnt<100)){
................................................................................
    u.bf.iKey = u.bf.pKey->u.i;
  }else{
    assert( pOp->opcode==OP_InsertInt );
    u.bf.iKey = pOp->p3;
  }

  if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++;
  if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = u.bf.iKey;
  if( u.bf.pData->flags & MEM_Null ){
    u.bf.pData->z = 0;
    u.bf.pData->n = 0;
  }else{
    assert( u.bf.pData->flags & (MEM_Blob|MEM_Str) );
  }
  u.bf.seekResult = ((pOp->p5 & OPFLAG_USESEEKRESULT) ? u.bf.pC->seekResult : 0);
................................................................................
  }
  u.bm.pC->rowidIsValid = 0;
  break;
}

/* Opcode: IdxInsert P1 P2 P3 * P5
**
** Register P2 holds a SQL index key made using the
** MakeRecord instructions.  This opcode writes that key
** into the index P1.  Data for the entry is nil.
**
** P3 is a flag that provides a hint to the b-tree layer that this
** insert is likely to be an append.
**
** This instruction only works for indices.  The equivalent instruction
................................................................................
    assert( u.by.pProgram->nMem+u.by.pProgram->nCsr==u.by.pFrame->nChildMem );
    assert( u.by.pProgram->nCsr==u.by.pFrame->nChildCsr );
    assert( pc==u.by.pFrame->pc );
  }

  p->nFrame++;
  u.by.pFrame->pParent = p->pFrame;
  u.by.pFrame->lastRowid = db->lastRowid;
  u.by.pFrame->nChange = p->nChange;
  p->nChange = 0;
  p->pFrame = u.by.pFrame;
  p->aMem = aMem = &VdbeFrameMem(u.by.pFrame)[-1];
  p->nMem = u.by.pFrame->nChildMem;
  p->nCursor = (u16)u.by.pFrame->nChildCsr;
  p->apCsr = (VdbeCursor **)&aMem[p->nMem+1];
................................................................................
  int nArg;
  int i;
  sqlite_int64 rowid;
  Mem **apArg;
  Mem *pX;
#endif /* local variables moved into u.cm */




  u.cm.pVtab = pOp->p4.pVtab->pVtab;
  u.cm.pModule = (sqlite3_module *)u.cm.pVtab->pModule;
  u.cm.nArg = pOp->p2;
  assert( pOp->p4type==P4_VTAB );
  if( ALWAYS(u.cm.pModule->xUpdate) ){

    u.cm.apArg = p->apArg;
    u.cm.pX = &aMem[pOp->p3];
    for(u.cm.i=0; u.cm.i<u.cm.nArg; u.cm.i++){
      assert( memIsValid(u.cm.pX) );
      memAboutToChange(p, u.cm.pX);
      sqlite3VdbeMemStoreType(u.cm.pX);
      u.cm.apArg[u.cm.i] = u.cm.pX;
      u.cm.pX++;
    }

    rc = u.cm.pModule->xUpdate(u.cm.pVtab, u.cm.nArg, u.cm.apArg, &u.cm.rowid);

    importVtabErrMsg(p, u.cm.pVtab);
    if( rc==SQLITE_OK && pOp->p1 ){
      assert( u.cm.nArg>1 && u.cm.apArg[0] && (u.cm.apArg[0]->flags&MEM_Null) );
      db->lastRowid = u.cm.rowid;
    }







    p->nChange++;

  }
  break;
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */

#ifndef  SQLITE_OMIT_PAGER_PRAGMAS
/* Opcode: Pagecount P1 P2 * * *
................................................................................
**
** If tracing is enabled (by the sqlite3_trace()) interface, then
** the UTF-8 string contained in P4 is emitted on the trace callback.
*/
case OP_Trace: {
#if 0  /* local variables moved into u.cn */
  char *zTrace;

#endif /* local variables moved into u.cn */

  u.cn.zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql);
  if( u.cn.zTrace ){
    if( db->xTrace ){
      char *z = sqlite3VdbeExpandSql(p, u.cn.zTrace);
      db->xTrace(db->pTraceArg, z);
      sqlite3DbFree(db, z);
    }
#ifdef SQLITE_DEBUG
    if( (db->flags & SQLITE_SqlTrace)!=0 ){


      sqlite3DebugPrintf("SQL-trace: %s\n", u.cn.zTrace);
    }
#endif /* SQLITE_DEBUG */
  }
  break;
}
#endif


/* Opcode: Noop * * * * *
**
................................................................................
    sqlite3ResetInternalSchema(db, resetSchemaOnFault-1);
  }

  /* This is the only way out of this procedure.  We have to
  ** release the mutexes on btrees that were acquired at the
  ** top. */
vdbe_return:

  sqlite3VdbeLeave(p);
  return rc;

  /* Jump to here if a string or blob larger than SQLITE_MAX_LENGTH
  ** is encountered.
  */
too_big:
................................................................................
      ** always return an SQL NULL. This is useful because it means
      ** we can invoke OP_Column to fill in the vdbe cursors type 
      ** and offset cache without causing any IO.
      */
      sqlite3VdbeChangeP4(v, 3+flags, SQLITE_INT_TO_PTR(pTab->nCol+1),P4_INT32);
      sqlite3VdbeChangeP2(v, 7, pTab->nCol);
      if( !db->mallocFailed ){



        sqlite3VdbeMakeReady(v, 1, 1, 1, 0, 0, 0);
      }
    }
   
    pBlob->flags = flags;
    pBlob->iCol = iCol;
    pBlob->db = db;
    sqlite3BtreeLeaveAll(db);
................................................................................
  z = pExpr->u.zToken;
  assert( z!=0 );
  assert( z[0]!=0 );
  if( z[1]==0 ){
    /* Wildcard of the form "?".  Assign the next variable number */
    assert( z[0]=='?' );
    pExpr->iColumn = (ynVar)(++pParse->nVar);



  }else if( z[0]=='?' ){
    /* Wildcard of the form "?nnn".  Convert "nnn" to an integer and
    ** use it as the variable number */
    i64 i;
    int bOk = 0==sqlite3Atoi64(&z[1], &i, sqlite3Strlen30(&z[1]), SQLITE_UTF8);
    pExpr->iColumn = (ynVar)i;
    testcase( i==0 );
    testcase( i==1 );
    testcase( i==db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER]-1 );
    testcase( i==db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] );
    if( bOk==0 || i<1 || i>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){
      sqlite3ErrorMsg(pParse, "variable number must be between ?1 and ?%d",
          db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER]);

    }
    if( i>pParse->nVar ){
      pParse->nVar = (int)i;
    }
  }else{
    /* Wildcards like ":aaa", "$aaa" or "@aaa".  Reuse the same variable
    ** number as the prior appearance of the same name, or if the name
    ** has never appeared before, reuse the same variable number
    */
    int i;
    u32 n;
    n = sqlite3Strlen30(z);
    for(i=0; i<pParse->nVarExpr; i++){
      Expr *pE = pParse->apVarExpr[i];
      assert( pE!=0 );
      if( memcmp(pE->u.zToken, z, n)==0 && pE->u.zToken[n]==0 ){
        pExpr->iColumn = pE->iColumn;
        break;
      }
    }
    if( i>=pParse->nVarExpr ){
      pExpr->iColumn = (ynVar)(++pParse->nVar);

      if( pParse->nVarExpr>=pParse->nVarExprAlloc-1 ){
        pParse->nVarExprAlloc += pParse->nVarExprAlloc + 10;
        pParse->apVarExpr =

            sqlite3DbReallocOrFree(
              db,
              pParse->apVarExpr,
              pParse->nVarExprAlloc*sizeof(pParse->apVarExpr[0])
            );

      }
      if( !db->mallocFailed ){
        assert( pParse->apVarExpr!=0 );
        pParse->apVarExpr[pParse->nVarExpr++] = pExpr;
      }
    }
  } 
  if( !pParse->nErr && pParse->nVar>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){
    sqlite3ErrorMsg(pParse, "too many SQL variables");
  }
}
................................................................................
#endif
    case TK_VARIABLE: {
      assert( !ExprHasProperty(pExpr, EP_IntValue) );
      assert( pExpr->u.zToken!=0 );
      assert( pExpr->u.zToken[0]!=0 );
      sqlite3VdbeAddOp2(v, OP_Variable, pExpr->iColumn, target);
      if( pExpr->u.zToken[1]!=0 ){


        sqlite3VdbeChangeP4(v, -1, pExpr->u.zToken, P4_TRANSIENT);
      }
      break;
    }
    case TK_REGISTER: {
      inReg = pExpr->iTable;
      break;
    }
................................................................................

  /* Drop the table and index from the internal schema.  */
  sqlite3VdbeAddOp4(v, OP_DropTable, iDb, 0, 0, pTab->zName, 0);

  /* Reload the table, index and permanent trigger schemas. */
  zWhere = sqlite3MPrintf(pParse->db, "tbl_name=%Q", zName);
  if( !zWhere ) return;
  sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0, zWhere, P4_DYNAMIC);

#ifndef SQLITE_OMIT_TRIGGER
  /* Now, if the table is not stored in the temp database, reload any temp 
  ** triggers. Don't use IN(...) in case SQLITE_OMIT_SUBQUERY is defined. 
  */
  if( (zWhere=whereTempTriggers(pParse, pTab))!=0 ){
    sqlite3VdbeAddOp4(v, OP_ParseSchema, 1, 0, 0, zWhere, P4_DYNAMIC);
  }
#endif
}

/*
** Parameter zName is the name of a table that is about to be altered
** (either with ALTER TABLE ... RENAME TO or ALTER TABLE ... ADD COLUMN).
................................................................................
  sqlite3_value **argv
){
  int i;
  int rc = 0;
  sqlite3 *db = sqlite3_context_db_handle(context);
  const char *zName;
  const char *zFile;



  Db *aNew;
  char *zErrDyn = 0;


  UNUSED_PARAMETER(NotUsed);

  zFile = (const char *)sqlite3_value_text(argv[0]);
  zName = (const char *)sqlite3_value_text(argv[1]);
  if( zFile==0 ) zFile = "";
  if( zName==0 ) zName = "";
................................................................................
  aNew = &db->aDb[db->nDb];
  memset(aNew, 0, sizeof(*aNew));

  /* Open the database file. If the btree is successfully opened, use
  ** it to obtain the database schema. At this point the schema may
  ** or may not be initialised.
  */
  rc = sqlite3BtreeOpen(zFile, db, &aNew->pBt, 0,








                        db->openFlags | SQLITE_OPEN_MAIN_DB);


  db->nDb++;
  if( rc==SQLITE_CONSTRAINT ){
    rc = SQLITE_ERROR;
    zErrDyn = sqlite3MPrintf(db, "database is already attached");
  }else if( rc==SQLITE_OK ){
    Pager *pPager;
    aNew->pSchema = sqlite3SchemaGet(db, aNew->pBt);
................................................................................
    FILE *trace = (db->flags & SQLITE_VdbeTrace)!=0 ? stdout : 0;
    sqlite3VdbeTrace(v, trace);
#endif
    assert( pParse->iCacheLevel==0 );  /* Disables and re-enables match */
    /* A minimum of one cursor is required if autoincrement is used
    *  See ticket [a696379c1f08866] */
    if( pParse->pAinc!=0 && pParse->nTab==0 ) pParse->nTab = 1;
    sqlite3VdbeMakeReady(v, pParse->nVar, pParse->nMem,
                         pParse->nTab, pParse->nMaxArg, pParse->explain,
                         pParse->isMultiWrite && pParse->mayAbort);
    pParse->rc = SQLITE_DONE;
    pParse->colNamesSet = 0;
  }else{
    pParse->rc = SQLITE_ERROR;
  }
  pParse->nTab = 0;
  pParse->nMem = 0;
................................................................................
          pDb->zName
        );
      }
    }
#endif

    /* Reparse everything to update our internal data structures */
    sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0,
        sqlite3MPrintf(db, "tbl_name='%q'",p->zName), P4_DYNAMIC);
  }


  /* Add the table to the in-memory representation of the database.
  */
  if( db->init.busy ){
    Table *pOld;
................................................................................

    /* Fill the index with data and reparse the schema. Code an OP_Expire
    ** to invalidate all pre-compiled statements.
    */
    if( pTblName ){
      sqlite3RefillIndex(pParse, pIndex, iMem);
      sqlite3ChangeCookie(pParse, iDb);
      sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0,
         sqlite3MPrintf(db, "name='%q' AND type='index'", pIndex->zName), 
         P4_DYNAMIC);
      sqlite3VdbeAddOp1(v, OP_Expire, 0);
    }
  }

  /* When adding an index to the list of indices for a table, make
  ** sure all indices labeled OE_Replace come after all those labeled
  ** OE_Ignore.  This is necessary for the correct constraint check
................................................................................
    static const int flags = 
          SQLITE_OPEN_READWRITE |
          SQLITE_OPEN_CREATE |
          SQLITE_OPEN_EXCLUSIVE |
          SQLITE_OPEN_DELETEONCLOSE |
          SQLITE_OPEN_TEMP_DB;

    rc = sqlite3BtreeOpen(0, db, &pBt, 0, flags);
    if( rc!=SQLITE_OK ){
      sqlite3ErrorMsg(pParse, "unable to open a temporary database "
        "file for storing temporary tables");
      pParse->rc = rc;
      return 1;
    }
    db->aDb[1].pBt = pBt;
................................................................................

    /* Delete the row */
#ifndef SQLITE_OMIT_VIRTUALTABLE
    if( IsVirtual(pTab) ){
      const char *pVTab = (const char *)sqlite3GetVTable(db, pTab);
      sqlite3VtabMakeWritable(pParse, pTab);
      sqlite3VdbeAddOp4(v, OP_VUpdate, 0, 1, iRowid, pVTab, P4_VTAB);

      sqlite3MayAbort(pParse);
    }else
#endif
    {
      int count = (pParse->nested==0);    /* True to count changes */
      sqlite3GenerateRowDelete(pParse, pTab, iCur, iRowid, count, pTrigger, OE_Default);
    }
................................................................................
      sqlite3VdbeAddOp2(v, OP_SCopy, regBase+nCol, regBase+j);
    }else{
      sqlite3VdbeAddOp3(v, OP_Column, iCur, idx, regBase+j);
      sqlite3ColumnDefault(v, pTab, idx, -1);
    }
  }
  if( doMakeRec ){






    sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol+1, regOut);
    sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v, pIdx), P4_TRANSIENT);
  }
  sqlite3ReleaseTempRange(pParse, regBase, nCol+1);
  return regBase;
}

/************** End of delete.c **********************************************/
/************** Begin file func.c ********************************************/
................................................................................
/*
** For LIKE and GLOB matching on EBCDIC machines, assume that every
** character is exactly one byte in size.  Also, all characters are
** able to participate in upper-case-to-lower-case mappings in EBCDIC
** whereas only characters less than 0x80 do in ASCII.
*/
#if defined(SQLITE_EBCDIC)
# define sqlite3Utf8Read(A,C)    (*(A++))
# define GlogUpperToLower(A)     A = sqlite3UpperToLower[A]
#else
# define GlogUpperToLower(A)     if( A<0x80 ){ A = sqlite3UpperToLower[A]; }
#endif

static const struct compareInfo globInfo = { '*', '?', '[', 0 };
/* The correct SQL-92 behavior is for the LIKE operator to ignore
** case.  Thus  'a' LIKE 'A' would be true. */
static const struct compareInfo likeInfoNorm = { '%', '_',   0, 1 };
/* If SQLITE_CASE_SENSITIVE_LIKE is defined, then the LIKE operator
................................................................................
**
**         abc[*]xyz        Matches "abc*xyz" only
*/
static int patternCompare(
  const u8 *zPattern,              /* The glob pattern */
  const u8 *zString,               /* The string to compare against the glob */
  const struct compareInfo *pInfo, /* Information about how to do the compare */
  const int esc                    /* The escape character */
){
  int c, c2;
  int invert;
  int seen;
  u8 matchOne = pInfo->matchOne;
  u8 matchAll = pInfo->matchAll;
  u8 matchSet = pInfo->matchSet;
  u8 noCase = pInfo->noCase; 
  int prevEscape = 0;     /* True if the previous character was 'escape' */
................................................................................
      }
      return 0;
    }else if( !prevEscape && c==matchOne ){
      if( sqlite3Utf8Read(zString, &zString)==0 ){
        return 0;
      }
    }else if( c==matchSet ){
      int prior_c = 0;
      assert( esc==0 );    /* This only occurs for GLOB, not LIKE */
      seen = 0;
      invert = 0;
      c = sqlite3Utf8Read(zString, &zString);
      if( c==0 ) return 0;
      c2 = sqlite3Utf8Read(zPattern, &zPattern);
      if( c2=='^' ){
................................................................................
*/
static void likeFunc(
  sqlite3_context *context, 
  int argc, 
  sqlite3_value **argv
){
  const unsigned char *zA, *zB;
  int escape = 0;
  int nPat;
  sqlite3 *db = sqlite3_context_db_handle(context);

  zB = sqlite3_value_text(argv[0]);
  zA = sqlite3_value_text(argv[1]);

  /* Limit the length of the LIKE or GLOB pattern to avoid problems
................................................................................
  sqlite3_value **NotUsed2
){
  UNUSED_PARAMETER2(NotUsed, NotUsed2);
  /* IMP: R-24470-31136 This function is an SQL wrapper around the
  ** sqlite3_sourceid() C interface. */
  sqlite3_result_text(context, sqlite3_sourceid(), -1, SQLITE_STATIC);
}
















/*
** Implementation of the sqlite_compileoption_used() function.
** The result is an integer that identifies if the compiler option
** was used to build SQLite.
*/
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
................................................................................
/*  FUNCTION(ifnull,             2, 0, 0, ifnullFunc       ), */
    {2,SQLITE_UTF8,SQLITE_FUNC_COALESCE,0,0,ifnullFunc,0,0,"ifnull",0,0},
    FUNCTION(random,             0, 0, 0, randomFunc       ),
    FUNCTION(randomblob,         1, 0, 0, randomBlob       ),
    FUNCTION(nullif,             2, 0, 1, nullifFunc       ),
    FUNCTION(sqlite_version,     0, 0, 0, versionFunc      ),
    FUNCTION(sqlite_source_id,   0, 0, 0, sourceidFunc     ),

#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
    FUNCTION(sqlite_compileoption_used,1, 0, 0, compileoptionusedFunc  ),
    FUNCTION(sqlite_compileoption_get, 1, 0, 0, compileoptiongetFunc  ),
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */
    FUNCTION(quote,              1, 0, 0, quoteFunc        ),
    FUNCTION(last_insert_rowid,  0, 0, 0, last_insert_rowid),
    FUNCTION(changes,            0, 0, 0, changes          ),
................................................................................
      for(i=0; i<nCol; i++){
        sqlite3VdbeAddOp2(v, OP_Copy, aiCol[i]+1+regData, regTemp+i);
      }
  
      /* If the parent table is the same as the child table, and we are about
      ** to increment the constraint-counter (i.e. this is an INSERT operation),
      ** then check if the row being inserted matches itself. If so, do not
      ** increment the constraint-counter.  */






      if( pTab==pFKey->pFrom && nIncr==1 ){
        int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1;
        for(i=0; i<nCol; i++){
          int iChild = aiCol[i]+1+regData;
          int iParent = pIdx->aiColumn[i]+1+regData;





          sqlite3VdbeAddOp3(v, OP_Ne, iChild, iJump, iParent);

        }
        sqlite3VdbeAddOp2(v, OP_Goto, 0, iOk);
      }
  
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regTemp, nCol, regRec);
      sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v,pIdx), P4_TRANSIENT);
      sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regRec, 0);
................................................................................
    ** do the insertion.
    */
#ifndef SQLITE_OMIT_VIRTUALTABLE
    if( IsVirtual(pTab) ){
      const char *pVTab = (const char *)sqlite3GetVTable(db, pTab);
      sqlite3VtabMakeWritable(pParse, pTab);
      sqlite3VdbeAddOp4(v, OP_VUpdate, 1, pTab->nCol+2, regIns, pVTab, P4_VTAB);

      sqlite3MayAbort(pParse);
    }else
#endif
    {
      int isReplace;    /* Set to true if constraints may cause a replace */
      sqlite3GenerateConstraintChecks(pParse, pTab, baseCur, regIns, aRegIdx,
          keyColumn>=0, 0, onError, endOfLoop, &isReplace
................................................................................
      return 0;    /* pDestIdx has no corresponding index in pSrc */
    }
  }
#ifndef SQLITE_OMIT_CHECK
  if( pDest->pCheck && sqlite3ExprCompare(pSrc->pCheck, pDest->pCheck) ){
    return 0;   /* Tables have different CHECK constraints.  Ticket #2252 */
  }












#endif

  /* If we get this far, it means either:
  **
  **    *   We can always do the transfer if the table contains an
  **        an integer primary key
  **
................................................................................
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the PRAGMA command.
*/

/* Ignore this whole file if pragmas are disabled
*/
#if !defined(SQLITE_OMIT_PRAGMA)

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.
**
** Note that the values returned are one less that the values that
** should be passed into sqlite3BtreeSetSafetyLevel().  The is done
................................................................................
  }
  return 1;
}

/*
** Interpret the given string as a boolean value.
*/
static u8 getBoolean(const char *z){
  return getSafetyLevel(z)&1;
}







/*
** Interpret the given string as a locking mode value.
*/
static int getLockingMode(const char *z){
  if( z ){
    if( 0==sqlite3StrICmp(z, "exclusive") ) return PAGER_LOCKINGMODE_EXCLUSIVE;
................................................................................
          int mask = p->mask;          /* Mask of bits to set or clear. */
          if( db->autoCommit==0 ){
            /* Foreign key support may not be enabled or disabled while not
            ** in auto-commit mode.  */
            mask &= ~(SQLITE_ForeignKeys);
          }

          if( getBoolean(zRight) ){
            db->flags |= mask;
          }else{
            db->flags &= ~mask;
          }

          /* Many of the flag-pragmas modify the code generated by the SQL 
          ** compiler (eg. count_changes). So add an opcode to expire all
................................................................................
  ** flag setting and reports thenew value.
  */
  if( sqlite3StrICmp(zLeft,"secure_delete")==0 ){
    Btree *pBt = pDb->pBt;
    int b = -1;
    assert( pBt!=0 );
    if( zRight ){
      b = getBoolean(zRight);
    }
    if( pId2->n==0 && b>=0 ){
      int ii;
      for(ii=0; ii<db->nDb; ii++){
        sqlite3BtreeSecureDelete(db->aDb[ii].pBt, b);
      }
    }
................................................................................
    }
  }else
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */

#ifndef NDEBUG
  if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
    if( zRight ){
      if( getBoolean(zRight) ){
        sqlite3ParserTrace(stderr, "parser: ");
      }else{
        sqlite3ParserTrace(0, 0);
      }
    }
  }else
#endif

  /* Reinstall the LIKE and GLOB functions.  The variant of LIKE
  ** used will be case sensitive or not depending on the RHS.
  */
  if( sqlite3StrICmp(zLeft, "case_sensitive_like")==0 ){
    if( zRight ){
      sqlite3RegisterLikeFunctions(db, getBoolean(zRight));
    }
  }else

#ifndef SQLITE_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE_INTEGRITY_CHECK_ERROR_MAX 100
#endif

................................................................................
        /* Search for the index that has the least amount of columns. If
        ** there is such an index, and it has less columns than the table
        ** does, then we can assume that it consumes less space on disk and
        ** will therefore be cheaper to scan to determine the query result.
        ** In this case set iRoot to the root page number of the index b-tree
        ** and pKeyInfo to the KeyInfo structure required to navigate the
        ** index.


        **
        ** In practice the KeyInfo structure will not be used. It is only 
        ** passed to keep OP_OpenRead happy.
        */
        for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
          if( !pBest || pIdx->nColumn<pBest->nColumn ){
            pBest = pIdx;
          }
        }
        if( pBest && pBest->nColumn<pTab->nCol ){
          iRoot = pBest->tnum;
          pKeyInfo = sqlite3IndexKeyinfo(pParse, pBest);
        }
................................................................................
    z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n);
    sqlite3NestedParse(pParse,
       "INSERT INTO %Q.%s VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')",
       db->aDb[iDb].zName, SCHEMA_TABLE(iDb), zName,
       pTrig->table, z);
    sqlite3DbFree(db, z);
    sqlite3ChangeCookie(pParse, iDb);
    sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0, sqlite3MPrintf(
        db, "type='trigger' AND name='%q'", zName), P4_DYNAMIC
    );
  }

  if( db->init.busy ){
    Trigger *pLink = pTrig;
    Hash *pHash = &db->aDb[iDb].pSchema->trigHash;
    assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
    pTrig = sqlite3HashInsert(pHash, zName, sqlite3Strlen30(zName), pTrig);
................................................................................
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */
  SrcList *pSrc,       /* The virtual table to be modified */
  Table *pTab,         /* The virtual table */
  ExprList *pChanges,  /* The columns to change in the UPDATE statement */
  Expr *pRowidExpr,    /* Expression used to recompute the rowid */
  int *aXRef,          /* Mapping from columns of pTab to entries in pChanges */
  Expr *pWhere         /* WHERE clause of the UPDATE statement */

);
#endif /* SQLITE_OMIT_VIRTUALTABLE */

/*
** The most recently coded instruction was an OP_Column to retrieve the
** i-th column of table pTab. This routine sets the P4 parameter of the 
** OP_Column to the default value, if any.
................................................................................
  for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){}
  if( nIdx>0 ){
    aRegIdx = sqlite3DbMallocRaw(db, sizeof(Index*) * nIdx );
    if( aRegIdx==0 ) goto update_cleanup;
  }
  for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
    int reg;
    if( chngRowid ){
      reg = ++pParse->nMem;
    }else{
      reg = 0;
      for(i=0; i<pIdx->nColumn; i++){
        if( aXRef[pIdx->aiColumn[i]]>=0 ){
          reg = ++pParse->nMem;
          break;
................................................................................
  if( pParse->nested==0 ) sqlite3VdbeCountChanges(v);
  sqlite3BeginWriteOperation(pParse, 1, iDb);

#ifndef SQLITE_OMIT_VIRTUALTABLE
  /* Virtual tables must be handled separately */
  if( IsVirtual(pTab) ){
    updateVirtualTable(pParse, pTabList, pTab, pChanges, pRowidExpr, aXRef,
                       pWhere);
    pWhere = 0;
    pTabList = 0;
    goto update_cleanup;
  }
#endif

  /* Allocate required registers. */
................................................................................
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */
  SrcList *pSrc,       /* The virtual table to be modified */
  Table *pTab,         /* The virtual table */
  ExprList *pChanges,  /* The columns to change in the UPDATE statement */
  Expr *pRowid,        /* Expression used to recompute the rowid */
  int *aXRef,          /* Mapping from columns of pTab to entries in pChanges */
  Expr *pWhere         /* WHERE clause of the UPDATE statement */

){
  Vdbe *v = pParse->pVdbe;  /* Virtual machine under construction */
  ExprList *pEList = 0;     /* The result set of the SELECT statement */
  Select *pSelect = 0;      /* The SELECT statement */
  Expr *pExpr;              /* Temporary expression */
  int ephemTab;             /* Table holding the result of the SELECT */
  int i;                    /* Loop counter */
................................................................................
  sqlite3VdbeAddOp3(v, OP_Column,  ephemTab, 0, iReg);
  sqlite3VdbeAddOp3(v, OP_Column, ephemTab, (pRowid?1:0), iReg+1);
  for(i=0; i<pTab->nCol; i++){
    sqlite3VdbeAddOp3(v, OP_Column, ephemTab, i+1+(pRowid!=0), iReg+2+i);
  }
  sqlite3VtabMakeWritable(pParse, pTab);
  sqlite3VdbeAddOp4(v, OP_VUpdate, 0, pTab->nCol+2, iReg, pVTab, P4_VTAB);

  sqlite3MayAbort(pParse);
  sqlite3VdbeAddOp2(v, OP_Next, ephemTab, addr+1);
  sqlite3VdbeJumpHere(v, addr);
  sqlite3VdbeAddOp2(v, OP_Close, ephemTab, 0);

  /* Cleanup */
  sqlite3SelectDelete(db, pSelect);  
................................................................................
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to help implement virtual tables.
*/
#ifndef SQLITE_OMIT_VIRTUALTABLE













/*
** The actual function that does the work of creating a new module.
** This function implements the sqlite3_create_module() and
** sqlite3_create_module_v2() interfaces.
*/
static int createModule(
  sqlite3 *db,                    /* Database in which module is registered */
................................................................................
    memcpy(zCopy, zName, nName+1);
    pMod->zName = zCopy;
    pMod->pModule = pModule;
    pMod->pAux = pAux;
    pMod->xDestroy = xDestroy;
    pDel = (Module *)sqlite3HashInsert(&db->aModule, zCopy, nName, (void*)pMod);
    if( pDel && pDel->xDestroy ){

      pDel->xDestroy(pDel->pAux);
    }
    sqlite3DbFree(db, pDel);
    if( pDel==pMod ){
      db->mallocFailed = 1;
    }
    sqlite3ResetInternalSchema(db, -1);
  }else if( xDestroy ){
    xDestroy(pAux);
  }
  rc = sqlite3ApiExit(db, SQLITE_OK);
  sqlite3_mutex_leave(db->mutex);
  return rc;
}
................................................................................
    );
    sqlite3DbFree(db, zStmt);
    v = sqlite3GetVdbe(pParse);
    sqlite3ChangeCookie(pParse, iDb);

    sqlite3VdbeAddOp2(v, OP_Expire, 0, 0);
    zWhere = sqlite3MPrintf(db, "name='%q' AND type='table'", pTab->zName);
    sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0, zWhere, P4_DYNAMIC);
    sqlite3VdbeAddOp4(v, OP_VCreate, iDb, 0, 0, 
                         pTab->zName, sqlite3Strlen30(pTab->zName) + 1);
  }

  /* If we are rereading the sqlite_master table create the in-memory
  ** record of the table. The xConnect() method is not called until
  ** the first time the virtual table is used in an SQL statement. This
................................................................................
static int vtabCallConstructor(
  sqlite3 *db, 
  Table *pTab,
  Module *pMod,
  int (*xConstruct)(sqlite3*,void*,int,const char*const*,sqlite3_vtab**,char**),
  char **pzErr
){

  VTable *pVTable;
  int rc;
  const char *const*azArg = (const char *const*)pTab->azModuleArg;
  int nArg = pTab->nModuleArg;
  char *zErr = 0;
  char *zModuleName = sqlite3MPrintf(db, "%s", pTab->zName);

................................................................................
  if( !pVTable ){
    sqlite3DbFree(db, zModuleName);
    return SQLITE_NOMEM;
  }
  pVTable->db = db;
  pVTable->pMod = pMod;


  assert( !db->pVTab );
  assert( xConstruct );
  db->pVTab = pTab;

  /* Invoke the virtual table constructor */

  rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr);

  if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;

  if( SQLITE_OK!=rc ){
    if( zErr==0 ){
      *pzErr = sqlite3MPrintf(db, "vtable constructor failed: %s", zModuleName);
    }else {
      *pzErr = sqlite3MPrintf(db, "%s", zErr);
................................................................................
    }
    sqlite3DbFree(db, pVTable);
  }else if( ALWAYS(pVTable->pVtab) ){
    /* Justification of ALWAYS():  A correct vtab constructor must allocate
    ** the sqlite3_vtab object if successful.  */
    pVTable->pVtab->pModule = pMod->pModule;
    pVTable->nRef = 1;
    if( db->pVTab ){
      const char *zFormat = "vtable constructor did not declare schema: %s";
      *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName);
      sqlite3VtabUnlock(pVTable);
      rc = SQLITE_ERROR;
    }else{
      int iCol;
      /* If everything went according to plan, link the new VTable structure
................................................................................
          pTab->aCol[iCol].isHidden = 1;
        }
      }
    }
  }

  sqlite3DbFree(db, zModuleName);
  db->pVTab = 0;
  return rc;
}

/*
** This function is invoked by the parser to call the xConnect() method
** of the virtual table pTab. If an error occurs, an error code is returned 
** and an error left in pParse.
................................................................................
      sqlite3ErrorMsg(pParse, "%s", zErr);
    }
    sqlite3DbFree(db, zErr);
  }

  return rc;
}

/*

** Add the virtual table pVTab to the array sqlite3.aVTrans[].
*/
static int addToVTrans(sqlite3 *db, VTable *pVTab){
  const int ARRAY_INCR = 5;

  /* Grow the sqlite3.aVTrans array if required */
  if( (db->nVTrans%ARRAY_INCR)==0 ){
    VTable **aVTrans;
    int nBytes = sizeof(sqlite3_vtab *) * (db->nVTrans + ARRAY_INCR);
    aVTrans = sqlite3DbRealloc(db, (void *)db->aVTrans, nBytes);
................................................................................
    if( !aVTrans ){
      return SQLITE_NOMEM;
    }
    memset(&aVTrans[db->nVTrans], 0, sizeof(sqlite3_vtab *)*ARRAY_INCR);
    db->aVTrans = aVTrans;
  }









  /* Add pVtab to the end of sqlite3.aVTrans */
  db->aVTrans[db->nVTrans++] = pVTab;
  sqlite3VtabLock(pVTab);
  return SQLITE_OK;
}

/*
** This function is invoked by the vdbe to call the xCreate method
** of the virtual table named zTab in database iDb. 
**
** If an error occurs, *pzErr is set to point an an English language
................................................................................
  }else{
    rc = vtabCallConstructor(db, pTab, pMod, pMod->pModule->xCreate, pzErr);
  }

  /* Justification of ALWAYS():  The xConstructor method is required to
  ** create a valid sqlite3_vtab if it returns SQLITE_OK. */
  if( rc==SQLITE_OK && ALWAYS(sqlite3GetVTable(db, pTab)) ){


      rc = addToVTrans(db, sqlite3GetVTable(db, pTab));

  }

  return rc;
}

/*
** This function is used to set the schema of a virtual table.  It is only
................................................................................
  Parse *pParse;

  int rc = SQLITE_OK;
  Table *pTab;
  char *zErr = 0;

  sqlite3_mutex_enter(db->mutex);
  pTab = db->pVTab;
  if( !pTab ){
    sqlite3Error(db, SQLITE_MISUSE, 0);
    sqlite3_mutex_leave(db->mutex);
    return SQLITE_MISUSE_BKPT;
  }
  assert( (pTab->tabFlags & TF_Virtual)!=0 );

  pParse = sqlite3StackAllocZero(db, sizeof(*pParse));
................................................................................
    ){
      if( !pTab->aCol ){
        pTab->aCol = pParse->pNewTable->aCol;
        pTab->nCol = pParse->pNewTable->nCol;
        pParse->pNewTable->nCol = 0;
        pParse->pNewTable->aCol = 0;
      }
      db->pVTab = 0;
    }else{
      sqlite3Error(db, SQLITE_ERROR, (zErr ? "%s" : 0), zErr);
      sqlite3DbFree(db, zErr);
      rc = SQLITE_ERROR;
    }
    pParse->declareVtab = 0;
  
................................................................................
      VTable *pVTab = db->aVTrans[i];
      sqlite3_vtab *p = pVTab->pVtab;
      if( p ){
        int (*x)(sqlite3_vtab *);
        x = *(int (**)(sqlite3_vtab *))((char *)p->pModule + offset);
        if( x ) x(p);
      }

      sqlite3VtabUnlock(pVTab);
    }
    sqlite3DbFree(db, db->aVTrans);
    db->nVTrans = 0;
    db->aVTrans = 0;
  }
}
................................................................................
    return SQLITE_OK;
  } 
  pModule = pVTab->pVtab->pModule;

  if( pModule->xBegin ){
    int i;


    /* If pVtab is already in the aVTrans array, return early */
    for(i=0; i<db->nVTrans; i++){
      if( db->aVTrans[i]==pVTab ){
        return SQLITE_OK;
      }
    }

    /* Invoke the xBegin method */



    rc = pModule->xBegin(pVTab->pVtab);
    if( rc==SQLITE_OK ){
      rc = addToVTrans(db, pVTab);

















































    }
  }
  return rc;
}

/*
** The first parameter (pDef) is a function implementation.  The
................................................................................
  if( apVtabLock ){
    pToplevel->apVtabLock = apVtabLock;
    pToplevel->apVtabLock[pToplevel->nVtabLock++] = pTab;
  }else{
    pToplevel->db->mallocFailed = 1;
  }
}




















































#endif /* SQLITE_OMIT_VIRTUALTABLE */

/************** End of vtab.c ************************************************/
/************** Begin file where.c *******************************************/
/*
** 2001 September 15
................................................................................
      return i;
    }
#ifndef SQLITE_OMIT_BLOB_LITERAL
    case 'x': case 'X': {
      testcase( z[0]=='x' ); testcase( z[0]=='X' );
      if( z[1]=='\'' ){
        *tokenType = TK_BLOB;
        for(i=2; (c=z[i])!=0 && c!='\''; i++){
          if( !sqlite3Isxdigit(c) ){
            *tokenType = TK_ILLEGAL;
          }
        }
        if( i%2 || !c ) *tokenType = TK_ILLEGAL;
        if( c ) i++;
        return i;
      }
      /* Otherwise fall through to the next case */
    }
#endif
    default: {
      if( !IdChar(*z) ){
................................................................................
  if( pEngine==0 ){
    db->mallocFailed = 1;
    return SQLITE_NOMEM;
  }
  assert( pParse->pNewTable==0 );
  assert( pParse->pNewTrigger==0 );
  assert( pParse->nVar==0 );
  assert( pParse->nVarExpr==0 );
  assert( pParse->nVarExprAlloc==0 );
  assert( pParse->apVarExpr==0 );
  enableLookaside = db->lookaside.bEnabled;
  if( db->lookaside.pStart ) db->lookaside.bEnabled = 1;
  while( !db->mallocFailed && zSql[i]!=0 ){
    assert( i>=0 );
    pParse->sLastToken.z = &zSql[i];
    pParse->sLastToken.n = sqlite3GetToken((unsigned char*)&zSql[i],&tokenType);
    i += pParse->sLastToken.n;
................................................................................
    ** structure built up in pParse->pNewTable. The calling code (see vtab.c)
    ** will take responsibility for freeing the Table structure.
    */
    sqlite3DeleteTable(db, pParse->pNewTable);
  }

  sqlite3DeleteTrigger(db, pParse->pNewTrigger);

  sqlite3DbFree(db, pParse->apVarExpr);
  sqlite3DbFree(db, pParse->aAlias);
  while( pParse->pAinc ){
    AutoincInfo *p = pParse->pAinc;
    pParse->pAinc = p->pNext;
    sqlite3DbFree(db, p);
  }
  while( pParse->pZombieTab ){
................................................................................
      ** sqlite3GlobalConfig.xLog = va_arg(ap, void(*)(void*,int,const char*));
      */
      typedef void(*LOGFUNC_t)(void*,int,const char*);
      sqlite3GlobalConfig.xLog = va_arg(ap, LOGFUNC_t);
      sqlite3GlobalConfig.pLogArg = va_arg(ap, void*);
      break;
    }






    default: {
      rc = SQLITE_ERROR;
      break;
    }
  }
  va_end(ap);
................................................................................
    if( newLimit>aHardLimit[limitId] ){
      newLimit = aHardLimit[limitId];  /* IMP: R-51463-25634 */
    }
    db->aLimit[limitId] = newLimit;
  }
  return oldLimit;                     /* IMP: R-53341-35419 */
}

/*






































































































































































































































** This routine does the work of opening a database on behalf of
** sqlite3_open() and sqlite3_open16(). The database filename "zFilename"  
** is UTF-8 encoded.
*/
static int openDatabase(
  const char *zFilename, /* Database filename UTF-8 encoded */
  sqlite3 **ppDb,        /* OUT: Returned database handle */
  unsigned flags,        /* Operational flags */
  const char *zVfs       /* Name of the VFS to use */
){
  sqlite3 *db;
  int rc;


  int isThreadsafe;



  *ppDb = 0;
#ifndef SQLITE_OMIT_AUTOINIT
  rc = sqlite3_initialize();
  if( rc ) return rc;
#endif

................................................................................
  */
  assert( SQLITE_OPEN_READONLY  == 0x01 );
  assert( SQLITE_OPEN_READWRITE == 0x02 );
  assert( SQLITE_OPEN_CREATE    == 0x04 );
  testcase( (1<<(flags&7))==0x02 ); /* READONLY */
  testcase( (1<<(flags&7))==0x04 ); /* READWRITE */
  testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */
  if( ((1<<(flags&7)) & 0x46)==0 ) return SQLITE_MISUSE;

  if( sqlite3GlobalConfig.bCoreMutex==0 ){
    isThreadsafe = 0;
  }else if( flags & SQLITE_OPEN_NOMUTEX ){
    isThreadsafe = 0;
  }else if( flags & SQLITE_OPEN_FULLMUTEX ){
    isThreadsafe = 1;
................................................................................
#endif
      ;
  sqlite3HashInit(&db->aCollSeq);
#ifndef SQLITE_OMIT_VIRTUALTABLE
  sqlite3HashInit(&db->aModule);
#endif

  db->pVfs = sqlite3_vfs_find(zVfs);
  if( !db->pVfs ){
    rc = SQLITE_ERROR;
    sqlite3Error(db, rc, "no such vfs: %s", zVfs);
    goto opendb_out;
  }

  /* Add the default collation sequence BINARY. BINARY works for both UTF-8
  ** and UTF-16, so add a version for each to avoid any unnecessary
  ** conversions. The only error that can occur here is a malloc() failure.
  */
  createCollation(db, "BINARY", SQLITE_UTF8, SQLITE_COLL_BINARY, 0,
                  binCollFunc, 0);
  createCollation(db, "BINARY", SQLITE_UTF16BE, SQLITE_COLL_BINARY, 0,
................................................................................
  db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, "BINARY", 0);
  assert( db->pDfltColl!=0 );

  /* Also add a UTF-8 case-insensitive collation sequence. */
  createCollation(db, "NOCASE", SQLITE_UTF8, SQLITE_COLL_NOCASE, 0,
                  nocaseCollatingFunc, 0);

  /* Open the backend database driver */
  db->openFlags = flags;









  rc = sqlite3BtreeOpen(zFilename, db, &db->aDb[0].pBt, 0,
                        flags | SQLITE_OPEN_MAIN_DB);
  if( rc!=SQLITE_OK ){
    if( rc==SQLITE_IOERR_NOMEM ){
      rc = SQLITE_NOMEM;
    }
    sqlite3Error(db, rc, 0);
    goto opendb_out;
................................................................................
  /* Enable the lookaside-malloc subsystem */
  setupLookaside(db, 0, sqlite3GlobalConfig.szLookaside,
                        sqlite3GlobalConfig.nLookaside);

  sqlite3_wal_autocheckpoint(db, SQLITE_DEFAULT_WAL_AUTOCHECKPOINT);

opendb_out:

  if( db ){
    assert( db->mutex!=0 || isThreadsafe==0 || sqlite3GlobalConfig.bFullMutex==0 );
    sqlite3_mutex_leave(db->mutex);
  }
  rc = sqlite3_errcode(db);
  if( rc==SQLITE_NOMEM ){
    sqlite3_close(db);
................................................................................
}
SQLITE_API int sqlite3_open_v2(
  const char *filename,   /* Database filename (UTF-8) */
  sqlite3 **ppDb,         /* OUT: SQLite db handle */
  int flags,              /* Flags */
  const char *zVfs        /* Name of VFS module to use */
){
  return openDatabase(filename, ppDb, flags, zVfs);
}

#ifndef SQLITE_OMIT_UTF16
/*
** Open a new database handle.
*/
SQLITE_API int sqlite3_open16(
................................................................................
      ppNew = va_arg(ap, void**);
      pFree = va_arg(ap, void*);
      if( sz ) *ppNew = sqlite3ScratchMalloc(sz);
      sqlite3ScratchFree(pFree);
      break;
    }












  }
  va_end(ap);
#endif /* SQLITE_OMIT_BUILTIN_TEST */
  return rc;
}























/************** End of main.c ************************************************/
/************** Begin file notify.c ******************************************/
/*
** 2009 March 3
**
** The author disclaims copyright to this source code.  In place of
................................................................................
** older data.
**
** TODO(shess) Provide a VACUUM type operation to clear out all
** deletions and duplications.  This would basically be a forced merge
** into a single segment.
*/

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)

#if defined(SQLITE_ENABLE_FTS3) && !defined(SQLITE_CORE)
# define SQLITE_CORE 1
#endif

/************** Include fts3Int.h in the middle of fts3.c ********************/
/************** Begin file fts3Int.h *****************************************/
/*
** 2009 Nov 12
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
................................................................................
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
******************************************************************************
**
*/

#ifndef _FTSINT_H
#define _FTSINT_H

#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) 
# define NDEBUG 1
#endif











/************** Include fts3_tokenizer.h in the middle of fts3Int.h **********/
/************** Begin file fts3_tokenizer.h **********************************/
/*
** 2006 July 10
**
** The author disclaims copyright to this source code.
**
................................................................................
/*
** Macro to return the number of elements in an array. SQLite has a
** similar macro called ArraySize(). Use a different name to avoid
** a collision when building an amalgamation with built-in FTS3.
*/
#define SizeofArray(X) ((int)(sizeof(X)/sizeof(X[0])))






/*
** Maximum length of a varint encoded integer. The varint format is different
** from that used by SQLite, so the maximum length is 10, not 9.
*/
#define FTS3_VARINT_MAX 10



















/*
** The testcase() macro is only used by the amalgamation.  If undefined,
** make it a no-op.
*/
#ifndef testcase
# define testcase(X)
#endif
................................................................................
/*
** Internal types used by SQLite.
*/
typedef unsigned char u8;         /* 1-byte (or larger) unsigned integer */
typedef short int i16;            /* 2-byte (or larger) signed integer */
typedef unsigned int u32;         /* 4-byte unsigned integer */
typedef sqlite3_uint64 u64;       /* 8-byte unsigned integer */

/*
** Macro used to suppress compiler warnings for unused parameters.
*/
#define UNUSED_PARAMETER(x) (void)(x)






#endif














typedef struct Fts3Table Fts3Table;
typedef struct Fts3Cursor Fts3Cursor;
typedef struct Fts3Expr Fts3Expr;
typedef struct Fts3Phrase Fts3Phrase;
typedef struct Fts3PhraseToken Fts3PhraseToken;


typedef struct Fts3SegFilter Fts3SegFilter;
typedef struct Fts3DeferredToken Fts3DeferredToken;
typedef struct Fts3SegReader Fts3SegReader;
typedef struct Fts3SegReaderCursor Fts3SegReaderCursor;

/*
** A connection to a fulltext index is an instance of the following
** structure. The xCreate and xConnect methods create an instance
** of this structure and xDestroy and xDisconnect free that instance.
** All other methods receive a pointer to the structure as one of their
** arguments.
................................................................................
  int nColumn;                    /* number of named columns in virtual table */
  char **azColumn;                /* column names.  malloced */
  sqlite3_tokenizer *pTokenizer;  /* tokenizer for inserts and queries */

  /* Precompiled statements used by the implementation. Each of these 
  ** statements is run and reset within a single virtual table API call. 
  */
  sqlite3_stmt *aStmt[24];

  char *zReadExprlist;
  char *zWriteExprlist;

  int nNodeSize;                  /* Soft limit for node size */
  u8 bHasStat;                    /* True if %_stat table exists */
  u8 bHasDocsize;                 /* True if %_docsize table exists */

  int nPgsz;                      /* Page size for host database */
  char *zSegmentsTbl;             /* Name of %_segments table */
  sqlite3_blob *pSegments;        /* Blob handle open on %_segments table */



  /* The following hash table is used to buffer pending index updates during
  ** transactions. Variable nPendingData estimates the memory size of the 
  ** pending data, including hash table overhead, but not malloc overhead. 
  ** When nPendingData exceeds nMaxPendingData, the buffer is flushed 
  ** automatically. Variable iPrevDocid is the docid of the most recently
  ** inserted record.





  */





  int nMaxPendingData;
  int nPendingData;
  sqlite_int64 iPrevDocid;
  Fts3Hash pendingTerms;










};

/*
** When the core wants to read from the virtual table, it creates a
** virtual table cursor (an instance of the following structure) using
** the xOpen method. Cursors are destroyed using the xClose method.
*/
................................................................................
  Fts3Expr *pExpr;                /* Parsed MATCH query string */
  int nPhrase;                    /* Number of matchable phrases in query */
  Fts3DeferredToken *pDeferred;   /* Deferred search tokens, if any */
  sqlite3_int64 iPrevId;          /* Previous id read from aDoclist */
  char *pNextId;                  /* Pointer into the body of aDoclist */
  char *aDoclist;                 /* List of docids for full-text queries */
  int nDoclist;                   /* Size of buffer at aDoclist */

  int eEvalmode;                  /* An FTS3_EVAL_XX constant */
  int nRowAvg;                    /* Average size of database rows, in pages */


  int isMatchinfoNeeded;          /* True when aMatchinfo[] needs filling in */
  u32 *aMatchinfo;                /* Information about most recent match */
  int nMatchinfo;                 /* Number of elements in aMatchinfo[] */
  char *zMatchinfo;               /* Matchinfo specification */
};

................................................................................
** indicating that all columns should be searched,
** then eSearch would be set to FTS3_FULLTEXT_SEARCH+4.
*/
#define FTS3_FULLSCAN_SEARCH 0    /* Linear scan of %_content table */
#define FTS3_DOCID_SEARCH    1    /* Lookup by rowid on %_content table */
#define FTS3_FULLTEXT_SEARCH 2    /* Full-text index search */













/*
** A "phrase" is a sequence of one or more tokens that must match in
** sequence.  A single token is the base case and the most common case.
** For a sequence of tokens contained in double-quotes (i.e. "one two three")
** nToken will be the number of tokens in the string.
**
** The nDocMatch and nMatch variables contain data that may be used by the
** matchinfo() function. They are populated when the full-text index is 
** queried for hits on the phrase. If one or more tokens in the phrase
** are deferred, the nDocMatch and nMatch variables are populated based
** on the assumption that the 
*/
struct Fts3PhraseToken {
  char *z;                        /* Text of the token */
  int n;                          /* Number of bytes in buffer z */
  int isPrefix;                   /* True if token ends with a "*" character */
  int bFulltext;                  /* True if full-text index was used */

  Fts3SegReaderCursor *pSegcsr;   /* Segment-reader for this token */


  Fts3DeferredToken *pDeferred;   /* Deferred token object for this token */

};

struct Fts3Phrase {





  /* Variables populated by fts3_expr.c when parsing a MATCH expression */


  int nToken;                /* Number of tokens in the phrase */
  int iColumn;               /* Index of column this phrase must match */
  int isNot;                 /* Phrase prefixed by unary not (-) operator */
  Fts3PhraseToken aToken[1]; /* One entry for each token in the phrase */
};

/*
** A tree of these objects forms the RHS of a MATCH operator.
**
** If Fts3Expr.eType is either FTSQUERY_NEAR or FTSQUERY_PHRASE and isLoaded
** is true, then aDoclist points to a malloced buffer, size nDoclist bytes, 
** containing the results of the NEAR or phrase query in FTS3 doclist
** format. As usual, the initial "Length" field found in doclists stored
** on disk is omitted from this buffer.
**
** Variable pCurrent always points to the start of a docid field within
** aDoclist. Since the doclist is usually scanned in docid order, this can
** be used to accelerate seeking to the required docid within the doclist.








*/
struct Fts3Expr {
  int eType;                 /* One of the FTSQUERY_XXX values defined below */
  int nNear;                 /* Valid if eType==FTSQUERY_NEAR */
  Fts3Expr *pParent;         /* pParent->pLeft==this or pParent->pRight==this */
  Fts3Expr *pLeft;           /* Left operand */
  Fts3Expr *pRight;          /* Right operand */
  Fts3Phrase *pPhrase;       /* Valid if eType==FTSQUERY_PHRASE */

  int isLoaded;              /* True if aDoclist/nDoclist are initialized. */
  char *aDoclist;            /* Buffer containing doclist */
  int nDoclist;              /* Size of aDoclist in bytes */



  sqlite3_int64 iCurrent;
  char *pCurrent;

};

/*
** Candidate values for Fts3Query.eType. Note that the order of the first
** four values is in order of precedence when parsing expressions. For 
** example, the following:
**
................................................................................
/* fts3_write.c */
SQLITE_PRIVATE int sqlite3Fts3UpdateMethod(sqlite3_vtab*,int,sqlite3_value**,sqlite3_int64*);
SQLITE_PRIVATE int sqlite3Fts3PendingTermsFlush(Fts3Table *);
SQLITE_PRIVATE void sqlite3Fts3PendingTermsClear(Fts3Table *);
SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *);
SQLITE_PRIVATE int sqlite3Fts3SegReaderNew(int, sqlite3_int64,
  sqlite3_int64, sqlite3_int64, const char *, int, Fts3SegReader**);
SQLITE_PRIVATE int sqlite3Fts3SegReaderPending(Fts3Table*,const char*,int,int,Fts3SegReader**);

SQLITE_PRIVATE void sqlite3Fts3SegReaderFree(Fts3SegReader *);
SQLITE_PRIVATE int sqlite3Fts3SegReaderCost(Fts3Cursor *, Fts3SegReader *, int *);
SQLITE_PRIVATE int sqlite3Fts3AllSegdirs(Fts3Table*, int, sqlite3_stmt **);
SQLITE_PRIVATE int sqlite3Fts3ReadLock(Fts3Table *);
SQLITE_PRIVATE int sqlite3Fts3ReadBlock(Fts3Table*, sqlite3_int64, char **, int*);

SQLITE_PRIVATE int sqlite3Fts3SelectDoctotal(Fts3Table *, sqlite3_stmt **);
SQLITE_PRIVATE int sqlite3Fts3SelectDocsize(Fts3Table *, sqlite3_int64, sqlite3_stmt **);

SQLITE_PRIVATE void sqlite3Fts3FreeDeferredTokens(Fts3Cursor *);
SQLITE_PRIVATE int sqlite3Fts3DeferToken(Fts3Cursor *, Fts3PhraseToken *, int);
SQLITE_PRIVATE int sqlite3Fts3CacheDeferredDoclists(Fts3Cursor *);
SQLITE_PRIVATE void sqlite3Fts3FreeDeferredDoclists(Fts3Cursor *);
SQLITE_PRIVATE char *sqlite3Fts3DeferredDoclist(Fts3DeferredToken *, int *);
SQLITE_PRIVATE void sqlite3Fts3SegmentsClose(Fts3Table *);


#define FTS3_SEGCURSOR_PENDING -1
#define FTS3_SEGCURSOR_ALL     -2

SQLITE_PRIVATE int sqlite3Fts3SegReaderStart(Fts3Table*, Fts3SegReaderCursor*, Fts3SegFilter*);
SQLITE_PRIVATE int sqlite3Fts3SegReaderStep(Fts3Table *, Fts3SegReaderCursor *);
SQLITE_PRIVATE void sqlite3Fts3SegReaderFinish(Fts3SegReaderCursor *);

SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor(
    Fts3Table *, int, const char *, int, int, int, Fts3SegReaderCursor *);

/* Flags allowed as part of the 4th argument to SegmentReaderIterate() */
#define FTS3_SEGMENT_REQUIRE_POS   0x00000001
#define FTS3_SEGMENT_IGNORE_EMPTY  0x00000002
#define FTS3_SEGMENT_COLUMN_FILTER 0x00000004
#define FTS3_SEGMENT_PREFIX        0x00000008
#define FTS3_SEGMENT_SCAN          0x00000010
................................................................................
struct Fts3SegFilter {
  const char *zTerm;
  int nTerm;
  int iCol;
  int flags;
};

struct Fts3SegReaderCursor {
  /* Used internally by sqlite3Fts3SegReaderXXX() calls */
  Fts3SegReader **apSegment;      /* Array of Fts3SegReader objects */
  int nSegment;                   /* Size of apSegment array */
  int nAdvance;                   /* How many seg-readers to advance */
  Fts3SegFilter *pFilter;         /* Pointer to filter object */
  char *aBuffer;                  /* Buffer to merge doclists in */
  int nBuffer;                    /* Allocated size of aBuffer[] in bytes */




  /* Cost of running this iterator. Used by fts3.c only. */
  int nCost;



  /* Output values. Valid only after Fts3SegReaderStep() returns SQLITE_ROW. */
  char *zTerm;                    /* Pointer to term buffer */
  int nTerm;                      /* Size of zTerm in bytes */
  char *aDoclist;                 /* Pointer to doclist buffer */
  int nDoclist;                   /* Size of aDoclist[] in bytes */
};
................................................................................

/* fts3.c */
SQLITE_PRIVATE int sqlite3Fts3PutVarint(char *, sqlite3_int64);
SQLITE_PRIVATE int sqlite3Fts3GetVarint(const char *, sqlite_int64 *);
SQLITE_PRIVATE int sqlite3Fts3GetVarint32(const char *, int *);
SQLITE_PRIVATE int sqlite3Fts3VarintLen(sqlite3_uint64);
SQLITE_PRIVATE void sqlite3Fts3Dequote(char *);


SQLITE_PRIVATE char *sqlite3Fts3FindPositions(Fts3Expr *, sqlite3_int64, int);
SQLITE_PRIVATE int sqlite3Fts3ExprLoadDoclist(Fts3Cursor *, Fts3Expr *);
SQLITE_PRIVATE int sqlite3Fts3ExprLoadFtDoclist(Fts3Cursor *, Fts3Expr *, char **, int *);
SQLITE_PRIVATE int sqlite3Fts3ExprNearTrim(Fts3Expr *, Fts3Expr *, int);

/* fts3_tokenizer.c */
SQLITE_PRIVATE const char *sqlite3Fts3NextToken(const char *, int *);
SQLITE_PRIVATE int sqlite3Fts3InitHashTable(sqlite3 *, Fts3Hash *, const char *);
SQLITE_PRIVATE int sqlite3Fts3InitTokenizer(Fts3Hash *pHash, const char *, 
    sqlite3_tokenizer **, char **
);
................................................................................
/* fts3_expr.c */
SQLITE_PRIVATE int sqlite3Fts3ExprParse(sqlite3_tokenizer *, 
  char **, int, int, const char *, int, Fts3Expr **
);
SQLITE_PRIVATE void sqlite3Fts3ExprFree(Fts3Expr *);
#ifdef SQLITE_TEST
SQLITE_PRIVATE int sqlite3Fts3ExprInitTestInterface(sqlite3 *db);

#endif

/* fts3_aux.c */
SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db);

























#endif /* _FTSINT_H */

/************** End of fts3Int.h *********************************************/
/************** Continuing where we left off in fts3.c ***********************/







#ifndef SQLITE_CORE 
  SQLITE_EXTENSION_INIT1
#endif

/* 
................................................................................
static void fts3GetDeltaVarint(char **pp, sqlite3_int64 *pVal){
  sqlite3_int64 iVal;
  *pp += sqlite3Fts3GetVarint(*pp, &iVal);
  *pVal += iVal;
}

/*
** As long as *pp has not reached its end (pEnd), then do the same
** as fts3GetDeltaVarint(): read a single varint and add it to *pVal.
** But if we have reached the end of the varint, just set *pp=0 and
** leave *pVal unchanged.



*/



static void fts3GetDeltaVarint2(char **pp, char *pEnd, sqlite3_int64 *pVal){
  if( *pp>=pEnd ){









    *pp = 0;
  }else{
    fts3GetDeltaVarint(pp, pVal);
  }


}

/*
** The xDisconnect() virtual table method.
*/
static int fts3DisconnectMethod(sqlite3_vtab *pVtab){
  Fts3Table *p = (Fts3Table *)pVtab;
................................................................................
*/
static void fts3DeclareVtab(int *pRc, Fts3Table *p){
  if( *pRc==SQLITE_OK ){
    int i;                        /* Iterator variable */
    int rc;                       /* Return code */
    char *zSql;                   /* SQL statement passed to declare_vtab() */
    char *zCols;                  /* List of user defined columns */



    /* Create a list of user columns for the virtual table */
    zCols = sqlite3_mprintf("%Q, ", p->azColumn[0]);
    for(i=1; zCols && i<p->nColumn; i++){
      zCols = sqlite3_mprintf("%z%Q, ", zCols, p->azColumn[i]);
    }

................................................................................
      rc = SQLITE_NOMEM;
    }else{
      rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
      if( rc==SQLITE_OK ){
        sqlite3_step(pStmt);
        p->nPgsz = sqlite3_column_int(pStmt, 0);
        rc = sqlite3_finalize(pStmt);



      }
    }
    assert( p->nPgsz>0 || rc!=SQLITE_OK );
    sqlite3_free(zSql);
    *pRc = rc;
  }
}
................................................................................
  fts3Appendf(pRc, &zRet, "?");
  for(i=0; i<p->nColumn; i++){
    fts3Appendf(pRc, &zRet, ",%s(?)", zFunction);
  }
  sqlite3_free(zFree);
  return zRet;
}





















































/*
** This function is the implementation of both the xConnect and xCreate
** methods of the FTS3 virtual table.
**
** The argv[] array contains the following:
**
................................................................................
  int iCol;                       /* Column index */
  int nString = 0;                /* Bytes required to hold all column names */
  int nCol = 0;                   /* Number of columns in the FTS table */
  char *zCsr;                     /* Space for holding column names */
  int nDb;                        /* Bytes required to hold database name */
  int nName;                      /* Bytes required to hold table name */
  int isFts4 = (argv[0][3]=='4'); /* True for FTS4, false for FTS3 */
  int bNoDocsize = 0;             /* True to omit %_docsize table */
  const char **aCol;              /* Array of column names */
  sqlite3_tokenizer *pTokenizer = 0;        /* Tokenizer for this table */









  char *zCompress = 0;
  char *zUncompress = 0;

  assert( strlen(argv[0])==4 );
  assert( (sqlite3_strnicmp(argv[0], "fts4", 4)==0 && isFts4)
       || (sqlite3_strnicmp(argv[0], "fts3", 4)==0 && !isFts4)
  );

  nDb = (int)strlen(argv[1]) + 1;
................................................................................
     && 0==sqlite3Fts3IsIdChar(z[8])
    ){
      rc = sqlite3Fts3InitTokenizer(pHash, &z[9], &pTokenizer, pzErr);
    }

    /* Check if it is an FTS4 special argument. */
    else if( isFts4 && fts3IsSpecialColumn(z, &nKey, &zVal) ){













      if( !zVal ){
        rc = SQLITE_NOMEM;
        goto fts3_init_out;





      }
      if( nKey==9 && 0==sqlite3_strnicmp(z, "matchinfo", 9) ){
        if( strlen(zVal)==4 && 0==sqlite3_strnicmp(zVal, "fts3", 4) ){
          bNoDocsize = 1;




        }else{



          *pzErr = sqlite3_mprintf("unrecognized matchinfo: %s", zVal);
          rc = SQLITE_ERROR;
        }
      }else if( nKey==8 && 0==sqlite3_strnicmp(z, "compress", 8) ){











        zCompress = zVal;
        zVal = 0;
      }else if( nKey==10 && 0==sqlite3_strnicmp(z, "uncompress", 10) ){




        zUncompress = zVal;
        zVal = 0;
      }else{






        *pzErr = sqlite3_mprintf("unrecognized parameter: %s", z);
        rc = SQLITE_ERROR;
      }




      sqlite3_free(zVal);

    }

    /* Otherwise, the argument is a column name. */
    else {
      nString += (int)(strlen(z) + 1);
      aCol[nCol++] = z;
    }
................................................................................

  if( pTokenizer==0 ){
    rc = sqlite3Fts3InitTokenizer(pHash, "simple", &pTokenizer, pzErr);
    if( rc!=SQLITE_OK ) goto fts3_init_out;
  }
  assert( pTokenizer );








  /* Allocate and populate the Fts3Table structure. */
  nByte = sizeof(Fts3Table) +              /* Fts3Table */
          nCol * sizeof(char *) +              /* azColumn */

          nName +                              /* zName */
          nDb +                                /* zDb */
          nString;                             /* Space for azColumn strings */
  p = (Fts3Table*)sqlite3_malloc(nByte);
  if( p==0 ){
    rc = SQLITE_NOMEM;
    goto fts3_init_out;
................................................................................
  }
  memset(p, 0, nByte);
  p->db = db;
  p->nColumn = nCol;
  p->nPendingData = 0;
  p->azColumn = (char **)&p[1];
  p->pTokenizer = pTokenizer;
  p->nNodeSize = 1000;
  p->nMaxPendingData = FTS3_MAX_PENDING_DATA;
  p->bHasDocsize = (isFts4 && bNoDocsize==0);
  p->bHasStat = isFts4;








  fts3HashInit(&p->pendingTerms, FTS3_HASH_STRING, 1);


  /* Fill in the zName and zDb fields of the vtab structure. */
  zCsr = (char *)&p->azColumn[nCol];
  p->zName = zCsr;
  memcpy(zCsr, argv[2], nName);
  zCsr += nName;
  p->zDb = zCsr;
  memcpy(zCsr, argv[1], nDb);
  zCsr += nDb;

  /* Fill in the azColumn array */
  for(iCol=0; iCol<nCol; iCol++){
    char *z; 
    int n;
    z = (char *)sqlite3Fts3NextToken(aCol[iCol], &n);
    memcpy(zCsr, z, n);
    zCsr[n] = '\0';
    sqlite3Fts3Dequote(zCsr);
    p->azColumn[iCol] = zCsr;
    zCsr += n+1;
    assert( zCsr <= &((char *)p)[nByte] );
................................................................................
  ** database. TODO: For xConnect(), it could verify that said tables exist.
  */
  if( isCreate ){
    rc = fts3CreateTables(p);
  }

  /* Figure out the page-size for the database. This is required in order to
  ** estimate the cost of loading large doclists from the database (see 
  ** function sqlite3Fts3SegReaderCost() for details).
  */
  fts3DatabasePageSize(&rc, p);


  /* Declare the table schema to SQLite. */
  fts3DeclareVtab(&rc, p);

fts3_init_out:


  sqlite3_free(zCompress);
  sqlite3_free(zUncompress);
  sqlite3_free((void *)aCol);
  if( rc!=SQLITE_OK ){
    if( p ){
      fts3DisconnectMethod((sqlite3_vtab *)p);
    }else if( pTokenizer ){
      pTokenizer->pModule->xDestroy(pTokenizer);
    }
  }else{

    *ppVTab = &p->base;
  }
  return rc;
}

/*
** The xConnect() and xCreate() methods for the virtual table. All the
................................................................................
    }
  }

  if( iCons>=0 ){
    pInfo->aConstraintUsage[iCons].argvIndex = 1;
    pInfo->aConstraintUsage[iCons].omit = 1;
  } 

















  return SQLITE_OK;
}

/*
** Implementation of xOpen method.
*/
static int fts3OpenMethod(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCsr){
................................................................................
  Fts3Cursor *pCsr = (Fts3Cursor *)pCursor;
  assert( ((Fts3Table *)pCsr->base.pVtab)->pSegments==0 );
  sqlite3_finalize(pCsr->pStmt);
  sqlite3Fts3ExprFree(pCsr->pExpr);
  sqlite3Fts3FreeDeferredTokens(pCsr);
  sqlite3_free(pCsr->aDoclist);
  sqlite3_free(pCsr->aMatchinfo);

  sqlite3_free(pCsr);
  return SQLITE_OK;
}

/*
** Position the pCsr->pStmt statement so that it is on the row
** of the %_content table that contains the last match.  Return
** SQLITE_OK on success.  
*/
static int fts3CursorSeek(sqlite3_context *pContext, Fts3Cursor *pCsr){
  if( pCsr->isRequireSeek ){
    pCsr->isRequireSeek = 0;
    sqlite3_bind_int64(pCsr->pStmt, 1, pCsr->iPrevId);

    if( SQLITE_ROW==sqlite3_step(pCsr->pStmt) ){
      return SQLITE_OK;
    }else{
      int rc = sqlite3_reset(pCsr->pStmt);
      if( rc==SQLITE_OK ){
        /* If no row was found and no error has occured, then the %_content
        ** table is missing a row that is present in the full-text index.
        ** The data structures are corrupt.
        */
        rc = SQLITE_CORRUPT;
      }
      pCsr->isEof = 1;
      if( pContext ){
        sqlite3_result_error_code(pContext, rc);
      }
      return rc;
    }
................................................................................
  ** contents, or two zero bytes. Or, if the node is read from the %_segments
  ** table, then there are always 20 bytes of zeroed padding following the
  ** nNode bytes of content (see sqlite3Fts3ReadBlock() for details).
  */
  zCsr += sqlite3Fts3GetVarint(zCsr, &iChild);
  zCsr += sqlite3Fts3GetVarint(zCsr, &iChild);
  if( zCsr>zEnd ){
    return SQLITE_CORRUPT;
  }
  
  while( zCsr<zEnd && (piFirst || piLast) ){
    int cmp;                      /* memcmp() result */
    int nSuffix;                  /* Size of term suffix */
    int nPrefix = 0;              /* Size of term prefix */
    int nBuffer;                  /* Total term size */
................................................................................
    if( !isFirstTerm ){
      zCsr += sqlite3Fts3GetVarint32(zCsr, &nPrefix);
    }
    isFirstTerm = 0;
    zCsr += sqlite3Fts3GetVarint32(zCsr, &nSuffix);
    
    if( nPrefix<0 || nSuffix<0 || &zCsr[nSuffix]>zEnd ){
      rc = SQLITE_CORRUPT;
      goto finish_scan;
    }
    if( nPrefix+nSuffix>nAlloc ){
      char *zNew;
      nAlloc = (nPrefix+nSuffix) * 2;
      zNew = (char *)sqlite3_realloc(zBuffer, nAlloc);
      if( !zNew ){
................................................................................
  assert( !piLeaf2 || !piLeaf || rc!=SQLITE_OK || (*piLeaf<=*piLeaf2) );

  if( rc==SQLITE_OK && iHeight>1 ){
    char *zBlob = 0;              /* Blob read from %_segments table */
    int nBlob;                    /* Size of zBlob in bytes */

    if( piLeaf && piLeaf2 && (*piLeaf!=*piLeaf2) ){
      rc = sqlite3Fts3ReadBlock(p, *piLeaf, &zBlob, &nBlob);
      if( rc==SQLITE_OK ){
        rc = fts3SelectLeaf(p, zTerm, nTerm, zBlob, nBlob, piLeaf, 0);
      }
      sqlite3_free(zBlob);
      piLeaf = 0;
      zBlob = 0;
    }

    if( rc==SQLITE_OK ){
      rc = sqlite3Fts3ReadBlock(p, piLeaf ? *piLeaf : *piLeaf2, &zBlob, &nBlob);
    }
    if( rc==SQLITE_OK ){
      rc = fts3SelectLeaf(p, zTerm, nTerm, zBlob, nBlob, piLeaf, piLeaf2);
    }
    sqlite3_free(zBlob);
  }

................................................................................
  }
  *p++ = 0x00;
  *pp = p;
  return 1;
}

/*
** Merge two position-lists as required by the NEAR operator.












*/
static int fts3PoslistNearMerge(
  char **pp,                      /* Output buffer */
  char *aTmp,                     /* Temporary buffer space */
  int nRight,                     /* Maximum difference in token positions */
  int nLeft,                      /* Maximum difference in token positions */
  char **pp1,                     /* IN/OUT: Left input list */
  char **pp2                      /* IN/OUT: Right input list */
){
  char *p1 = *pp1;
  char *p2 = *pp2;

  if( !pp ){
    if( fts3PoslistPhraseMerge(0, nRight, 0, 0, pp1, pp2) ) return 1;
    *pp1 = p1;
    *pp2 = p2;
    return fts3PoslistPhraseMerge(0, nLeft, 0, 0, pp2, pp1);
  }else{
    char *pTmp1 = aTmp;
    char *pTmp2;
    char *aTmp2;
    int res = 1;

    fts3PoslistPhraseMerge(&pTmp1, nRight, 0, 0, pp1, pp2);
    aTmp2 = pTmp2 = pTmp1;
    *pp1 = p1;
    *pp2 = p2;
    fts3PoslistPhraseMerge(&pTmp2, nLeft, 1, 0, pp2, pp1);
    if( pTmp1!=aTmp && pTmp2!=aTmp2 ){
      fts3PoslistMerge(pp, &aTmp, &aTmp2);
    }else if( pTmp1!=aTmp ){
      fts3PoslistCopy(pp, &aTmp);
    }else if( pTmp2!=aTmp2 ){
      fts3PoslistCopy(pp, &aTmp2);
    }else{
      res = 0;
    }

    return res;
  }
}

/*
** Values that may be used as the first parameter to fts3DoclistMerge().


*/
#define MERGE_NOT        2        /* D + D -> D */
#define MERGE_AND        3        /* D + D -> D */
#define MERGE_OR         4        /* D + D -> D */
#define MERGE_POS_OR     5        /* P + P -> P */
#define MERGE_PHRASE     6        /* P + P -> D */
#define MERGE_POS_PHRASE 7        /* P + P -> P */
#define MERGE_NEAR       8        /* P + P -> D */
#define MERGE_POS_NEAR   9        /* P + P -> P */





/*
** Merge the two doclists passed in buffer a1 (size n1 bytes) and a2
** (size n2 bytes). The output is written to pre-allocated buffer aBuffer,
** which is guaranteed to be large enough to hold the results. The number
** of bytes written to aBuffer is stored in *pnBuffer before returning.
**


** If successful, SQLITE_OK is returned. Otherwise, if a malloc error
** occurs while allocating a temporary buffer as part of the merge operation,
** SQLITE_NOMEM is returned.
*/




































static int fts3DoclistMerge(
  int mergetype,                  /* One of the MERGE_XXX constants */
  int nParam1,                    /* Used by MERGE_NEAR and MERGE_POS_NEAR */
  int nParam2,                    /* Used by MERGE_NEAR and MERGE_POS_NEAR */
  char *aBuffer,                  /* Pre-allocated output buffer */
  int *pnBuffer,                  /* OUT: Bytes written to aBuffer */
  char *a1,                       /* Buffer containing first doclist */

  int n1,                         /* Size of buffer a1 */
  char *a2,                       /* Buffer containing second doclist */
  int n2,                         /* Size of buffer a2 */
  int *pnDoc                      /* OUT: Number of docids in output */

){
  sqlite3_int64 i1 = 0;
  sqlite3_int64 i2 = 0;
  sqlite3_int64 iPrev = 0;

  char *p = aBuffer;


  char *p1 = a1;
  char *p2 = a2;
  char *pEnd1 = &a1[n1];
  char *pEnd2 = &a2[n2];
  int nDoc = 0;


  assert( mergetype==MERGE_OR     || mergetype==MERGE_POS_OR 
       || mergetype==MERGE_AND    || mergetype==MERGE_NOT
       || mergetype==MERGE_PHRASE || mergetype==MERGE_POS_PHRASE
       || mergetype==MERGE_NEAR   || mergetype==MERGE_POS_NEAR
  );

  if( !aBuffer ){
    *pnBuffer = 0;


    return SQLITE_NOMEM;
  }

  /* Read the first docid from each doclist */

  fts3GetDeltaVarint2(&p1, pEnd1, &i1);
  fts3GetDeltaVarint2(&p2, pEnd2, &i2);

  switch( mergetype ){
    case MERGE_OR:
    case MERGE_POS_OR:
      while( p1 || p2 ){


        if( p2 && p1 && i1==i2 ){
          fts3PutDeltaVarint(&p, &iPrev, i1);
          if( mergetype==MERGE_POS_OR ) fts3PoslistMerge(&p, &p1, &p2);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }else if( !p2 || (p1 && i1<i2) ){
          fts3PutDeltaVarint(&p, &iPrev, i1);
          if( mergetype==MERGE_POS_OR ) fts3PoslistCopy(&p, &p1);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
        }else{
          fts3PutDeltaVarint(&p, &iPrev, i2);
          if( mergetype==MERGE_POS_OR ) fts3PoslistCopy(&p, &p2);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }
      }
      break;

    case MERGE_AND:
      while( p1 && p2 ){
        if( i1==i2 ){
          fts3PutDeltaVarint(&p, &iPrev, i1);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
          nDoc++;
        }else if( i1<i2 ){
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
        }else{
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }
      }
      break;

    case MERGE_NOT:
      while( p1 ){
        if( p2 && i1==i2 ){
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }else if( !p2 || i1<i2 ){
          fts3PutDeltaVarint(&p, &iPrev, i1);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
        }else{
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }
      }

      break;


    case MERGE_POS_PHRASE:
    case MERGE_PHRASE: {
      char **ppPos = (mergetype==MERGE_PHRASE ? 0 : &p);
      while( p1 && p2 ){
        if( i1==i2 ){
          char *pSave = p;
          sqlite3_int64 iPrevSave = iPrev;
          fts3PutDeltaVarint(&p, &iPrev, i1);
          if( 0==fts3PoslistPhraseMerge(ppPos, nParam1, 0, 1, &p1, &p2) ){
            p = pSave;
            iPrev = iPrevSave;
          }else{
            nDoc++;
          }
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }else if( i1<i2 ){
          fts3PoslistCopy(0, &p1);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
        }else{
          fts3PoslistCopy(0, &p2);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }
      }
      break;
    }

    default: assert( mergetype==MERGE_POS_NEAR || mergetype==MERGE_NEAR ); {


      char *aTmp = 0;

      char **ppPos = 0;



      if( mergetype==MERGE_POS_NEAR ){
        ppPos = &p;
        aTmp = sqlite3_malloc(2*(n1+n2+1));
        if( !aTmp ){
          return SQLITE_NOMEM;

        }



      }

      while( p1 && p2 ){
        if( i1==i2 ){


          char *pSave = p;
          sqlite3_int64 iPrevSave = iPrev;
          fts3PutDeltaVarint(&p, &iPrev, i1);


          if( !fts3PoslistNearMerge(ppPos, aTmp, nParam1, nParam2, &p1, &p2) ){
            iPrev = iPrevSave;


            p = pSave;


          }

          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }else if( i1<i2 ){
          fts3PoslistCopy(0, &p1);
          fts3GetDeltaVarint2(&p1, pEnd1, &i1);
        }else{
          fts3PoslistCopy(0, &p2);
          fts3GetDeltaVarint2(&p2, pEnd2, &i2);
        }
      }
      sqlite3_free(aTmp);
      break;
    }

  }

  if( pnDoc ) *pnDoc = nDoc;
  *pnBuffer = (int)(p-aBuffer);
  return SQLITE_OK;
}

/* 
** A pointer to an instance of this structure is used as the context 
** argument to sqlite3Fts3SegReaderIterate()
*/
typedef struct TermSelect TermSelect;
struct TermSelect {
  int isReqPos;
  char *aaOutput[16];             /* Malloc'd output buffer */
  int anOutput[16];               /* Size of output in bytes */
};

/*
** Merge all doclists in the TermSelect.aaOutput[] array into a single
** doclist stored in TermSelect.aaOutput[0]. If successful, delete all
** other doclists (except the aaOutput[0] one) and return SQLITE_OK.
**
** If an OOM error occurs, return SQLITE_NOMEM. In this case it is
** the responsibility of the caller to free any doclists left in the
** TermSelect.aaOutput[] array.
*/
static int fts3TermSelectMerge(TermSelect *pTS){
  int mergetype = (pTS->isReqPos ? MERGE_POS_OR : MERGE_OR);
  char *aOut = 0;
  int nOut = 0;
  int i;

  /* Loop through the doclists in the aaOutput[] array. Merge them all
  ** into a single doclist.
  */
................................................................................
  for(i=0; i<SizeofArray(pTS->aaOutput); i++){
    if( pTS->aaOutput[i] ){
      if( !aOut ){
        aOut = pTS->aaOutput[i];
        nOut = pTS->anOutput[i];
        pTS->aaOutput[i] = 0;
      }else{
        int nNew = nOut + pTS->anOutput[i];
        char *aNew = sqlite3_malloc(nNew);
        if( !aNew ){
          sqlite3_free(aOut);
          return SQLITE_NOMEM;
        }
        fts3DoclistMerge(mergetype, 0, 0,
            aNew, &nNew, pTS->aaOutput[i], pTS->anOutput[i], aOut, nOut, 0
        );


        sqlite3_free(pTS->aaOutput[i]);
        sqlite3_free(aOut);
        pTS->aaOutput[i] = 0;
        aOut = aNew;
        nOut = nNew;
      }
    }
................................................................................

  UNUSED_PARAMETER(p);
  UNUSED_PARAMETER(zTerm);
  UNUSED_PARAMETER(nTerm);

  if( pTS->aaOutput[0]==0 ){
    /* If this is the first term selected, copy the doclist to the output
    ** buffer using memcpy(). TODO: Add a way to transfer control of the
    ** aDoclist buffer from the caller so as to avoid the memcpy().
    */
    pTS->aaOutput[0] = sqlite3_malloc(nDoclist);
    pTS->anOutput[0] = nDoclist;
    if( pTS->aaOutput[0] ){
      memcpy(pTS->aaOutput[0], aDoclist, nDoclist);
    }else{
      return SQLITE_NOMEM;
    }
  }else{
    int mergetype = (pTS->isReqPos ? MERGE_POS_OR : MERGE_OR);
    char *aMerge = aDoclist;
    int nMerge = nDoclist;
    int iOut;

    for(iOut=0; iOut<SizeofArray(pTS->aaOutput); iOut++){
      char *aNew;
      int nNew;
      if( pTS->aaOutput[iOut]==0 ){
        assert( iOut>0 );
        pTS->aaOutput[iOut] = aMerge;
        pTS->anOutput[iOut] = nMerge;
        break;



      }


      nNew = nMerge + pTS->anOutput[iOut];
      aNew = sqlite3_malloc(nNew);
      if( !aNew ){
        if( aMerge!=aDoclist ){
          sqlite3_free(aMerge);
        }
        return SQLITE_NOMEM;
      }
      fts3DoclistMerge(mergetype, 0, 0, aNew, &nNew, 
          pTS->aaOutput[iOut], pTS->anOutput[iOut], aMerge, nMerge, 0
      );

      if( iOut>0 ) sqlite3_free(aMerge);
      sqlite3_free(pTS->aaOutput[iOut]);
      pTS->aaOutput[iOut] = 0;

      aMerge = aNew;
      nMerge = nNew;
      if( (iOut+1)==SizeofArray(pTS->aaOutput) ){
        pTS->aaOutput[iOut] = aMerge;
        pTS->anOutput[iOut] = nMerge;
      }
    }
  }

  return SQLITE_OK;
}




static int fts3DeferredTermSelect(
  Fts3DeferredToken *pToken,      /* Phrase token */
  int isTermPos,                  /* True to include positions */
  int *pnOut,                     /* OUT: Size of list */
  char **ppOut                    /* OUT: Body of list */
){


  char *aSource;
  int nSource;

  aSource = sqlite3Fts3DeferredDoclist(pToken, &nSource);
  if( !aSource ){
    *pnOut = 0;
    *ppOut = 0;
  }else if( isTermPos ){
    *ppOut = sqlite3_malloc(nSource);

    if( !*ppOut ) return SQLITE_NOMEM;
    memcpy(*ppOut, aSource, nSource);
    *pnOut = nSource;
  }else{
    sqlite3_int64 docid;
    *pnOut = sqlite3Fts3GetVarint(aSource, &docid);
    *ppOut = sqlite3_malloc(*pnOut);
    if( !*ppOut ) return SQLITE_NOMEM;
    sqlite3Fts3PutVarint(*ppOut, docid);
  }



  return SQLITE_OK;
}

SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor(
  Fts3Table *p,                   /* FTS3 table handle */

  int iLevel,                     /* Level of segments to scan */
  const char *zTerm,              /* Term to query for */
  int nTerm,                      /* Size of zTerm in bytes */
  int isPrefix,                   /* True for a prefix search */
  int isScan,                     /* True to scan from zTerm to EOF */
  Fts3SegReaderCursor *pCsr       /* Cursor object to populate */
){
  int rc = SQLITE_OK;
  int rc2;
  int iAge = 0;
  sqlite3_stmt *pStmt = 0;
  Fts3SegReader *pPending = 0;

  assert( iLevel==FTS3_SEGCURSOR_ALL 
      ||  iLevel==FTS3_SEGCURSOR_PENDING 
      ||  iLevel>=0
  );
  assert( FTS3_SEGCURSOR_PENDING<0 );
  assert( FTS3_SEGCURSOR_ALL<0 );
  assert( iLevel==FTS3_SEGCURSOR_ALL || (zTerm==0 && isPrefix==1) );
  assert( isPrefix==0 || isScan==0 );


  memset(pCsr, 0, sizeof(Fts3SegReaderCursor));

  /* If iLevel is less than 0, include a seg-reader for the pending-terms. */
  assert( isScan==0 || fts3HashCount(&p->pendingTerms)==0 );





  if( iLevel<0 && isScan==0 ){

    rc = sqlite3Fts3SegReaderPending(p, zTerm, nTerm, isPrefix, &pPending);
    if( rc==SQLITE_OK && pPending ){
      int nByte = (sizeof(Fts3SegReader *) * 16);
      pCsr->apSegment = (Fts3SegReader **)sqlite3_malloc(nByte);
      if( pCsr->apSegment==0 ){
        rc = SQLITE_NOMEM;
      }else{
        pCsr->apSegment[0] = pPending;
        pCsr->nSegment = 1;
        pPending = 0;
      }

    }
  }

  if( iLevel!=FTS3_SEGCURSOR_PENDING ){
    if( rc==SQLITE_OK ){
      rc = sqlite3Fts3AllSegdirs(p, iLevel, &pStmt);
    }

    while( rc==SQLITE_OK && SQLITE_ROW==(rc = sqlite3_step(pStmt)) ){


      /* Read the values returned by the SELECT into local variables. */
      sqlite3_int64 iStartBlock = sqlite3_column_int64(pStmt, 1);
      sqlite3_int64 iLeavesEndBlock = sqlite3_column_int64(pStmt, 2);
      sqlite3_int64 iEndBlock = sqlite3_column_int64(pStmt, 3);
      int nRoot = sqlite3_column_bytes(pStmt, 4);
      char const *zRoot = sqlite3_column_blob(pStmt, 4);

      /* If nSegment is a multiple of 16 the array needs to be extended. */
      if( (pCsr->nSegment%16)==0 ){
        Fts3SegReader **apNew;
        int nByte = (pCsr->nSegment + 16)*sizeof(Fts3SegReader*);
        apNew = (Fts3SegReader **)sqlite3_realloc(pCsr->apSegment, nByte);
        if( !apNew ){
          rc = SQLITE_NOMEM;
          goto finished;
        }
        pCsr->apSegment = apNew;
      }

      /* If zTerm is not NULL, and this segment is not stored entirely on its
      ** root node, the range of leaves scanned can be reduced. Do this. */
      if( iStartBlock && zTerm ){
        sqlite3_int64 *pi = (isPrefix ? &iLeavesEndBlock : 0);
        rc = fts3SelectLeaf(p, zTerm, nTerm, zRoot, nRoot, &iStartBlock, pi);
        if( rc!=SQLITE_OK ) goto finished;
        if( isPrefix==0 && isScan==0 ) iLeavesEndBlock = iStartBlock;
      }
 
      rc = sqlite3Fts3SegReaderNew(iAge, iStartBlock, iLeavesEndBlock,
          iEndBlock, zRoot, nRoot, &pCsr->apSegment[pCsr->nSegment]
      );
      if( rc!=SQLITE_OK ) goto finished;
      pCsr->nSegment++;
      iAge++;
    }
  }

 finished:
  rc2 = sqlite3_reset(pStmt);
  if( rc==SQLITE_DONE ) rc = rc2;
  sqlite3Fts3SegReaderFree(pPending);

  return rc;
}






























static int fts3TermSegReaderCursor(















  Fts3Cursor *pCsr,               /* Virtual table cursor handle */
  const char *zTerm,              /* Term to query for */
  int nTerm,                      /* Size of zTerm in bytes */
  int isPrefix,                   /* True for a prefix search */
  Fts3SegReaderCursor **ppSegcsr  /* OUT: Allocated seg-reader cursor */
){
  Fts3SegReaderCursor *pSegcsr;   /* Object to allocate and return */
  int rc = SQLITE_NOMEM;          /* Return code */

  pSegcsr = sqlite3_malloc(sizeof(Fts3SegReaderCursor));
  if( pSegcsr ){
    Fts3Table *p = (Fts3Table *)pCsr->base.pVtab;
    int i;

    int nCost = 0;





    rc = sqlite3Fts3SegReaderCursor(
        p, FTS3_SEGCURSOR_ALL, zTerm, nTerm, isPrefix, 0, pSegcsr);

  








    for(i=0; rc==SQLITE_OK && i<pSegcsr->nSegment; i++){







      rc = sqlite3Fts3SegReaderCost(pCsr, pSegcsr->apSegment[i], &nCost);



    }
    pSegcsr->nCost = nCost;
  }

  *ppSegcsr = pSegcsr;
  return rc;
}

static void fts3SegReaderCursorFree(Fts3SegReaderCursor *pSegcsr){
  sqlite3Fts3SegReaderFinish(pSegcsr);
  sqlite3_free(pSegcsr);
}

/*
** This function retreives the doclist for the specified term (or term
** prefix) from the database. 
................................................................................
  Fts3PhraseToken *pTok,          /* Token to query for */
  int iColumn,                    /* Column to query (or -ve for all columns) */
  int isReqPos,                   /* True to include position lists in output */
  int *pnOut,                     /* OUT: Size of buffer at *ppOut */
  char **ppOut                    /* OUT: Malloced result buffer */
){
  int rc;                         /* Return code */
  Fts3SegReaderCursor *pSegcsr;   /* Seg-reader cursor for this term */
  TermSelect tsc;                 /* Context object for fts3TermSelectCb() */
  Fts3SegFilter filter;           /* Segment term filter configuration */

  pSegcsr = pTok->pSegcsr;
  memset(&tsc, 0, sizeof(TermSelect));
  tsc.isReqPos = isReqPos;

................................................................................
  ){
    rc = fts3TermSelectCb(p, (void *)&tsc, 
        pSegcsr->zTerm, pSegcsr->nTerm, pSegcsr->aDoclist, pSegcsr->nDoclist
    );
  }

  if( rc==SQLITE_OK ){
    rc = fts3TermSelectMerge(&tsc);
  }
  if( rc==SQLITE_OK ){
    *ppOut = tsc.aaOutput[0];
    *pnOut = tsc.anOutput[0];
  }else{
    int i;
    for(i=0; i<SizeofArray(tsc.aaOutput); i++){
................................................................................
      }
    }
  }

  return nDoc;
}

/*
** Call sqlite3Fts3DeferToken() for each token in the expression pExpr.
*/
static int fts3DeferExpression(Fts3Cursor *pCsr, Fts3Expr *pExpr){
  int rc = SQLITE_OK;
  if( pExpr ){
    rc = fts3DeferExpression(pCsr, pExpr->pLeft);
    if( rc==SQLITE_OK ){
      rc = fts3DeferExpression(pCsr, pExpr->pRight);
    }
    if( pExpr->eType==FTSQUERY_PHRASE ){
      int iCol = pExpr->pPhrase->iColumn;
      int i;
      for(i=0; rc==SQLITE_OK && i<pExpr->pPhrase->nToken; i++){
        Fts3PhraseToken *pToken = &pExpr->pPhrase->aToken[i];
        if( pToken->pDeferred==0 ){
          rc = sqlite3Fts3DeferToken(pCsr, pToken, iCol);
        }
      }
    }
  }
  return rc;
}

/*
** This function removes the position information from a doclist. When
** called, buffer aList (size *pnList bytes) contains a doclist that includes
** position information. This function removes the position information so
** that aList contains only docids, and adjusts *pnList to reflect the new
** (possibly reduced) size of the doclist.
*/
static void fts3DoclistStripPositions(
  char *aList,                    /* IN/OUT: Buffer containing doclist */
  int *pnList                     /* IN/OUT: Size of doclist in bytes */
){
  if( aList ){
    char *aEnd = &aList[*pnList]; /* Pointer to one byte after EOF */
    char *p = aList;              /* Input cursor */
    char *pOut = aList;           /* Output cursor */
  
    while( p<aEnd ){
      sqlite3_int64 delta;
      p += sqlite3Fts3GetVarint(p, &delta);
      fts3PoslistCopy(0, &p);
      pOut += sqlite3Fts3PutVarint(pOut, delta);
    }

    *pnList = (int)(pOut - aList);
  }
}

/* 
** Return a DocList corresponding to the phrase *pPhrase.
**
** If this function returns SQLITE_OK, but *pnOut is set to a negative value,
** then no tokens in the phrase were looked up in the full-text index. This
** is only possible when this function is called from within xFilter(). The
** caller should assume that all documents match the phrase. The actual
** filtering will take place in xNext().
*/
static int fts3PhraseSelect(
  Fts3Cursor *pCsr,               /* Virtual table cursor handle */
  Fts3Phrase *pPhrase,            /* Phrase to return a doclist for */
  int isReqPos,                   /* True if output should contain positions */
  char **paOut,                   /* OUT: Pointer to malloc'd result buffer */
  int *pnOut                      /* OUT: Size of buffer at *paOut */
){
  char *pOut = 0;
  int nOut = 0;
  int rc = SQLITE_OK;
  int ii;
  int iCol = pPhrase->iColumn;
  int isTermPos = (pPhrase->nToken>1 || isReqPos);
  Fts3Table *p = (Fts3Table *)pCsr->base.pVtab;
  int isFirst = 1;

  int iPrevTok = 0;
  int nDoc = 0;

  /* If this is an xFilter() evaluation, create a segment-reader for each
  ** phrase token. Or, if this is an xNext() or snippet/offsets/matchinfo
  ** evaluation, only create segment-readers if there are no Fts3DeferredToken
  ** objects attached to the phrase-tokens.
  */
  for(ii=0; ii<pPhrase->nToken; ii++){
    Fts3PhraseToken *pTok = &pPhrase->aToken[ii];
    if( pTok->pSegcsr==0 ){
      if( (pCsr->eEvalmode==FTS3_EVAL_FILTER)
       || (pCsr->eEvalmode==FTS3_EVAL_NEXT && pCsr->pDeferred==0) 
       || (pCsr->eEvalmode==FTS3_EVAL_MATCHINFO && pTok->bFulltext) 
      ){
        rc = fts3TermSegReaderCursor(
            pCsr, pTok->z, pTok->n, pTok->isPrefix, &pTok->pSegcsr
        );
        if( rc!=SQLITE_OK ) return rc;
      }
    }
  }

  for(ii=0; ii<pPhrase->nToken; ii++){
    Fts3PhraseToken *pTok;        /* Token to find doclist for */
    int iTok = 0;                 /* The token being queried this iteration */
    char *pList = 0;              /* Pointer to token doclist */
    int nList = 0;                /* Size of buffer at pList */

    /* Select a token to process. If this is an xFilter() call, then tokens 
    ** are processed in order from least to most costly. Otherwise, tokens 
    ** are processed in the order in which they occur in the phrase.
    */
    if( pCsr->eEvalmode==FTS3_EVAL_MATCHINFO ){
      assert( isReqPos );
      iTok = ii;
      pTok = &pPhrase->aToken[iTok];
      if( pTok->bFulltext==0 ) continue;
    }else if( pCsr->eEvalmode==FTS3_EVAL_NEXT || isReqPos ){
      iTok = ii;
      pTok = &pPhrase->aToken[iTok];
    }else{
      int nMinCost = 0x7FFFFFFF;
      int jj;

      /* Find the remaining token with the lowest cost. */
      for(jj=0; jj<pPhrase->nToken; jj++){
        Fts3SegReaderCursor *pSegcsr = pPhrase->aToken[jj].pSegcsr;
        if( pSegcsr && pSegcsr->nCost<nMinCost ){
          iTok = jj;
          nMinCost = pSegcsr->nCost;
        }
      }
      pTok = &pPhrase->aToken[iTok];

      /* This branch is taken if it is determined that loading the doclist
      ** for the next token would require more IO than loading all documents
      ** currently identified by doclist pOut/nOut. No further doclists will
      ** be loaded from the full-text index for this phrase.
      */
      if( nMinCost>nDoc && ii>0 ){
        rc = fts3DeferExpression(pCsr, pCsr->pExpr);
        break;
      }
    }

    if( pCsr->eEvalmode==FTS3_EVAL_NEXT && pTok->pDeferred ){
      rc = fts3DeferredTermSelect(pTok->pDeferred, isTermPos, &nList, &pList);
    }else{
      if( pTok->pSegcsr ){
        rc = fts3TermSelect(p, pTok, iCol, isTermPos, &nList, &pList);
      }
      pTok->bFulltext = 1;
    }
    assert( rc!=SQLITE_OK || pCsr->eEvalmode || pTok->pSegcsr==0 );
    if( rc!=SQLITE_OK ) break;

    if( isFirst ){
      pOut = pList;
      nOut = nList;
      if( pCsr->eEvalmode==FTS3_EVAL_FILTER && pPhrase->nToken>1 ){
        nDoc = fts3DoclistCountDocids(1, pOut, nOut);
      }
      isFirst = 0;
      iPrevTok = iTok;
    }else{
      /* Merge the new term list and the current output. */
      char *aLeft, *aRight;
      int nLeft, nRight;
      int nDist;
      int mt;

      /* If this is the final token of the phrase, and positions were not
      ** requested by the caller, use MERGE_PHRASE instead of POS_PHRASE.
      ** This drops the position information from the output list.
      */
      mt = MERGE_POS_PHRASE;
      if( ii==pPhrase->nToken-1 && !isReqPos ) mt = MERGE_PHRASE;

      assert( iPrevTok!=iTok );
      if( iPrevTok<iTok ){
        aLeft = pOut;
        nLeft = nOut;
        aRight = pList;
        nRight = nList;
        nDist = iTok-iPrevTok;
        iPrevTok = iTok;
      }else{
        aRight = pOut;
        nRight = nOut;
        aLeft = pList;
        nLeft = nList;
        nDist = iPrevTok-iTok;
      }
      pOut = aRight;
      fts3DoclistMerge(
          mt, nDist, 0, pOut, &nOut, aLeft, nLeft, aRight, nRight, &nDoc
      );
      sqlite3_free(aLeft);
    }
    assert( nOut==0 || pOut!=0 );
  }

  if( rc==SQLITE_OK ){
    if( ii!=pPhrase->nToken ){
      assert( pCsr->eEvalmode==FTS3_EVAL_FILTER && isReqPos==0 );
      fts3DoclistStripPositions(pOut, &nOut);
    }
    *paOut = pOut;
    *pnOut = nOut;
  }else{
    sqlite3_free(pOut);
  }
  return rc;
}

/*
** This function merges two doclists according to the requirements of a
** NEAR operator.
**
** Both input doclists must include position information. The output doclist 
** includes position information if the first argument to this function
** is MERGE_POS_NEAR, or does not if it is MERGE_NEAR.
*/
static int fts3NearMerge(
  int mergetype,                  /* MERGE_POS_NEAR or MERGE_NEAR */
  int nNear,                      /* Parameter to NEAR operator */
  int nTokenLeft,                 /* Number of tokens in LHS phrase arg */
  char *aLeft,                    /* Doclist for LHS (incl. positions) */
  int nLeft,                      /* Size of LHS doclist in bytes */
  int nTokenRight,                /* As nTokenLeft */
  char *aRight,                   /* As aLeft */
  int nRight,                     /* As nRight */
  char **paOut,                   /* OUT: Results of merge (malloced) */
  int *pnOut                      /* OUT: Sized of output buffer */
){
  char *aOut;                     /* Buffer to write output doclist to */
  int rc;                         /* Return code */

  assert( mergetype==MERGE_POS_NEAR || MERGE_NEAR );

  aOut = sqlite3_malloc(nLeft+nRight+1);
  if( aOut==0 ){
    rc = SQLITE_NOMEM;
  }else{
    rc = fts3DoclistMerge(mergetype, nNear+nTokenRight, nNear+nTokenLeft, 
      aOut, pnOut, aLeft, nLeft, aRight, nRight, 0
    );
    if( rc!=SQLITE_OK ){
      sqlite3_free(aOut);
      aOut = 0;
    }
  }

  *paOut = aOut;
  return rc;
}

/*
** This function is used as part of the processing for the snippet() and
** offsets() functions.
**
** Both pLeft and pRight are expression nodes of type FTSQUERY_PHRASE. Both
** have their respective doclists (including position information) loaded
** in Fts3Expr.aDoclist/nDoclist. This function removes all entries from
** each doclist that are not within nNear tokens of a corresponding entry
** in the other doclist.
*/
SQLITE_PRIVATE int sqlite3Fts3ExprNearTrim(Fts3Expr *pLeft, Fts3Expr *pRight, int nNear){
  int rc;                         /* Return code */

  assert( pLeft->eType==FTSQUERY_PHRASE );
  assert( pRight->eType==FTSQUERY_PHRASE );
  assert( pLeft->isLoaded && pRight->isLoaded );

  if( pLeft->aDoclist==0 || pRight->aDoclist==0 ){
    sqlite3_free(pLeft->aDoclist);
    sqlite3_free(pRight->aDoclist);
    pRight->aDoclist = 0;
    pLeft->aDoclist = 0;
    rc = SQLITE_OK;
  }else{
    char *aOut;                   /* Buffer in which to assemble new doclist */
    int nOut;                     /* Size of buffer aOut in bytes */

    rc = fts3NearMerge(MERGE_POS_NEAR, nNear, 
        pLeft->pPhrase->nToken, pLeft->aDoclist, pLeft->nDoclist,
        pRight->pPhrase->nToken, pRight->aDoclist, pRight->nDoclist,
        &aOut, &nOut
    );
    if( rc!=SQLITE_OK ) return rc;
    sqlite3_free(pRight->aDoclist);
    pRight->aDoclist = aOut;
    pRight->nDoclist = nOut;

    rc = fts3NearMerge(MERGE_POS_NEAR, nNear, 
        pRight->pPhrase->nToken, pRight->aDoclist, pRight->nDoclist,
        pLeft->pPhrase->nToken, pLeft->aDoclist, pLeft->nDoclist,
        &aOut, &nOut
    );
    sqlite3_free(pLeft->aDoclist);
    pLeft->aDoclist = aOut;
    pLeft->nDoclist = nOut;
  }
  return rc;
}


/*
** Allocate an Fts3SegReaderArray for each token in the expression pExpr. 
** The allocated objects are stored in the Fts3PhraseToken.pArray member
** variables of each token structure.
*/
static int fts3ExprAllocateSegReaders(
  Fts3Cursor *pCsr,               /* FTS3 table */
  Fts3Expr *pExpr,                /* Expression to create seg-readers for */
  int *pnExpr                     /* OUT: Number of AND'd expressions */
){
  int rc = SQLITE_OK;             /* Return code */

  assert( pCsr->eEvalmode==FTS3_EVAL_FILTER );
  if( pnExpr && pExpr->eType!=FTSQUERY_AND ){
    (*pnExpr)++;
    pnExpr = 0;
  }

  if( pExpr->eType==FTSQUERY_PHRASE ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;
    int ii;

    for(ii=0; rc==SQLITE_OK && ii<pPhrase->nToken; ii++){
      Fts3PhraseToken *pTok = &pPhrase->aToken[ii];
      if( pTok->pSegcsr==0 ){
        rc = fts3TermSegReaderCursor(
            pCsr, pTok->z, pTok->n, pTok->isPrefix, &pTok->pSegcsr
        );
      }
    }
  }else{ 
    rc = fts3ExprAllocateSegReaders(pCsr, pExpr->pLeft, pnExpr);
    if( rc==SQLITE_OK ){
      rc = fts3ExprAllocateSegReaders(pCsr, pExpr->pRight, pnExpr);
    }
  }
  return rc;
}

/*
** Free the Fts3SegReaderArray objects associated with each token in the
** expression pExpr. In other words, this function frees the resources
** allocated by fts3ExprAllocateSegReaders().
*/
static void fts3ExprFreeSegReaders(Fts3Expr *pExpr){
  if( pExpr ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;
    if( pPhrase ){
      int kk;
      for(kk=0; kk<pPhrase->nToken; kk++){
        fts3SegReaderCursorFree(pPhrase->aToken[kk].pSegcsr);
        pPhrase->aToken[kk].pSegcsr = 0;
      }
    }
    fts3ExprFreeSegReaders(pExpr->pLeft);
    fts3ExprFreeSegReaders(pExpr->pRight);
  }
}

/*
** Return the sum of the costs of all tokens in the expression pExpr. This
** function must be called after Fts3SegReaderArrays have been allocated
** for all tokens using fts3ExprAllocateSegReaders().
*/
static int fts3ExprCost(Fts3Expr *pExpr){
  int nCost;                      /* Return value */
  if( pExpr->eType==FTSQUERY_PHRASE ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;
    int ii;
    nCost = 0;
    for(ii=0; ii<pPhrase->nToken; ii++){
      Fts3SegReaderCursor *pSegcsr = pPhrase->aToken[ii].pSegcsr;
      if( pSegcsr ) nCost += pSegcsr->nCost;
    }
  }else{
    nCost = fts3ExprCost(pExpr->pLeft) + fts3ExprCost(pExpr->pRight);
  }
  return nCost;
}

/*
** The following is a helper function (and type) for fts3EvalExpr(). It
** must be called after Fts3SegReaders have been allocated for every token
** in the expression. See the context it is called from in fts3EvalExpr()
** for further explanation.
*/
typedef struct ExprAndCost ExprAndCost;
struct ExprAndCost {
  Fts3Expr *pExpr;
  int nCost;
};
static void fts3ExprAssignCosts(
  Fts3Expr *pExpr,                /* Expression to create seg-readers for */
  ExprAndCost **ppExprCost        /* OUT: Write to *ppExprCost */
){
  if( pExpr->eType==FTSQUERY_AND ){
    fts3ExprAssignCosts(pExpr->pLeft, ppExprCost);
    fts3ExprAssignCosts(pExpr->pRight, ppExprCost);
  }else{
    (*ppExprCost)->pExpr = pExpr;
    (*ppExprCost)->nCost = fts3ExprCost(pExpr);
    (*ppExprCost)++;
  }
}

/*
** Evaluate the full-text expression pExpr against FTS3 table pTab. Store
** the resulting doclist in *paOut and *pnOut. This routine mallocs for
** the space needed to store the output. The caller is responsible for
** freeing the space when it has finished.
**
** This function is called in two distinct contexts:
**
**   * From within the virtual table xFilter() method. In this case, the
**     output doclist contains entries for all rows in the table, based on
**     data read from the full-text index.
**
**     In this case, if the query expression contains one or more tokens that 
**     are very common, then the returned doclist may contain a superset of 
**     the documents that actually match the expression.
**
**   * From within the virtual table xNext() method. This call is only made
**     if the call from within xFilter() found that there were very common 
**     tokens in the query expression and did return a superset of the 
**     matching documents. In this case the returned doclist contains only
**     entries that correspond to the current row of the table. Instead of
**     reading the data for each token from the full-text index, the data is
**     already available in-memory in the Fts3PhraseToken.pDeferred structures.
**     See fts3EvalDeferred() for how it gets there.
**
** In the first case above, Fts3Cursor.doDeferred==0. In the second (if it is
** required) Fts3Cursor.doDeferred==1.
**
** If the SQLite invokes the snippet(), offsets() or matchinfo() function
** as part of a SELECT on an FTS3 table, this function is called on each
** individual phrase expression in the query. If there were very common tokens
** found in the xFilter() call, then this function is called once for phrase
** for each row visited, and the returned doclist contains entries for the
** current row only. Otherwise, if there were no very common tokens, then this
** function is called once only for each phrase in the query and the returned
** doclist contains entries for all rows of the table.
**
** Fts3Cursor.doDeferred==1 when this function is called on phrases as a
** result of a snippet(), offsets() or matchinfo() invocation.
*/
static int fts3EvalExpr(
  Fts3Cursor *p,                  /* Virtual table cursor handle */
  Fts3Expr *pExpr,                /* Parsed fts3 expression */
  char **paOut,                   /* OUT: Pointer to malloc'd result buffer */
  int *pnOut,                     /* OUT: Size of buffer at *paOut */
  int isReqPos                    /* Require positions in output buffer */
){
  int rc = SQLITE_OK;             /* Return code */

  /* Zero the output parameters. */
  *paOut = 0;
  *pnOut = 0;

  if( pExpr ){
    assert( pExpr->eType==FTSQUERY_NEAR   || pExpr->eType==FTSQUERY_OR     
         || pExpr->eType==FTSQUERY_AND    || pExpr->eType==FTSQUERY_NOT
         || pExpr->eType==FTSQUERY_PHRASE
    );
    assert( pExpr->eType==FTSQUERY_PHRASE || isReqPos==0 );

    if( pExpr->eType==FTSQUERY_PHRASE ){
      rc = fts3PhraseSelect(p, pExpr->pPhrase,
          isReqPos || (pExpr->pParent && pExpr->pParent->eType==FTSQUERY_NEAR),
          paOut, pnOut
      );
      fts3ExprFreeSegReaders(pExpr);
    }else if( p->eEvalmode==FTS3_EVAL_FILTER && pExpr->eType==FTSQUERY_AND ){
      ExprAndCost *aExpr = 0;     /* Array of AND'd expressions and costs */
      int nExpr = 0;              /* Size of aExpr[] */
      char *aRet = 0;             /* Doclist to return to caller */
      int nRet = 0;               /* Length of aRet[] in bytes */
      int nDoc = 0x7FFFFFFF;

      assert( !isReqPos );

      rc = fts3ExprAllocateSegReaders(p, pExpr, &nExpr);
      if( rc==SQLITE_OK ){
        assert( nExpr>1 );
        aExpr = sqlite3_malloc(sizeof(ExprAndCost) * nExpr);
        if( !aExpr ) rc = SQLITE_NOMEM;
      }
      if( rc==SQLITE_OK ){
        int ii;                   /* Used to iterate through expressions */

        fts3ExprAssignCosts(pExpr, &aExpr);
        aExpr -= nExpr;
        for(ii=0; ii<nExpr; ii++){
          char *aNew;
          int nNew;
          int jj;
          ExprAndCost *pBest = 0;
  
          for(jj=0; jj<nExpr; jj++){
            ExprAndCost *pCand = &aExpr[jj];
            if( pCand->pExpr && (pBest==0 || pCand->nCost<pBest->nCost) ){
              pBest = pCand;
            }
          }
  
          if( pBest->nCost>nDoc ){
            rc = fts3DeferExpression(p, p->pExpr);
            break;
          }else{
            rc = fts3EvalExpr(p, pBest->pExpr, &aNew, &nNew, 0);
            if( rc!=SQLITE_OK ) break;
            pBest->pExpr = 0;
            if( ii==0 ){
              aRet = aNew;
              nRet = nNew;
              nDoc = fts3DoclistCountDocids(0, aRet, nRet);
            }else{
              fts3DoclistMerge(
                  MERGE_AND, 0, 0, aRet, &nRet, aRet, nRet, aNew, nNew, &nDoc
              );
              sqlite3_free(aNew);
            }
          }
        }
      }

      if( rc==SQLITE_OK ){
        *paOut = aRet;
        *pnOut = nRet;
      }else{
        assert( *paOut==0 );
        sqlite3_free(aRet);
      }
      sqlite3_free(aExpr);
      fts3ExprFreeSegReaders(pExpr);

    }else{
      char *aLeft;
      char *aRight;
      int nLeft;
      int nRight;

      assert( pExpr->eType==FTSQUERY_NEAR 
           || pExpr->eType==FTSQUERY_OR
           || pExpr->eType==FTSQUERY_NOT
           || (pExpr->eType==FTSQUERY_AND && p->eEvalmode==FTS3_EVAL_NEXT)
      );

      if( 0==(rc = fts3EvalExpr(p, pExpr->pRight, &aRight, &nRight, isReqPos))
       && 0==(rc = fts3EvalExpr(p, pExpr->pLeft, &aLeft, &nLeft, isReqPos))
      ){
        switch( pExpr->eType ){
          case FTSQUERY_NEAR: {
            Fts3Expr *pLeft;
            Fts3Expr *pRight;
            int mergetype = MERGE_NEAR;
            if( pExpr->pParent && pExpr->pParent->eType==FTSQUERY_NEAR ){
              mergetype = MERGE_POS_NEAR;
            }
            pLeft = pExpr->pLeft;
            while( pLeft->eType==FTSQUERY_NEAR ){ 
              pLeft=pLeft->pRight;
            }
            pRight = pExpr->pRight;
            assert( pRight->eType==FTSQUERY_PHRASE );
            assert( pLeft->eType==FTSQUERY_PHRASE );

            rc = fts3NearMerge(mergetype, pExpr->nNear, 
                pLeft->pPhrase->nToken, aLeft, nLeft,
                pRight->pPhrase->nToken, aRight, nRight,
                paOut, pnOut
            );
            sqlite3_free(aLeft);
            break;
          }

          case FTSQUERY_OR: {
            /* Allocate a buffer for the output. The maximum size is the
            ** sum of the sizes of the two input buffers. The +1 term is
            ** so that a buffer of zero bytes is never allocated - this can
            ** cause fts3DoclistMerge() to incorrectly return SQLITE_NOMEM.
            */
            char *aBuffer = sqlite3_malloc(nRight+nLeft+1);
            rc = fts3DoclistMerge(MERGE_OR, 0, 0, aBuffer, pnOut,
                aLeft, nLeft, aRight, nRight, 0
            );
            *paOut = aBuffer;
            sqlite3_free(aLeft);
            break;
          }

          default: {
            assert( FTSQUERY_NOT==MERGE_NOT && FTSQUERY_AND==MERGE_AND );
            fts3DoclistMerge(pExpr->eType, 0, 0, aLeft, pnOut,
                aLeft, nLeft, aRight, nRight, 0
            );
            *paOut = aLeft;
            break;
          }
        }
      }
      sqlite3_free(aRight);
    }
  }

  assert( rc==SQLITE_OK || *paOut==0 );
  return rc;
}

/*
** This function is called from within xNext() for each row visited by
** an FTS3 query. If evaluating the FTS3 query expression within xFilter()
** was able to determine the exact set of matching rows, this function sets
** *pbRes to true and returns SQLITE_IO immediately.
**
** Otherwise, if evaluating the query expression within xFilter() returned a
** superset of the matching documents instead of an exact set (this happens
** when the query includes very common tokens and it is deemed too expensive to
** load their doclists from disk), this function tests if the current row
** really does match the FTS3 query.
**
** If an error occurs, an SQLite error code is returned. Otherwise, SQLITE_OK
** is returned and *pbRes is set to true if the current row matches the
** FTS3 query (and should be included in the results returned to SQLite), or
** false otherwise.
*/
static int fts3EvalDeferred(
  Fts3Cursor *pCsr,               /* FTS3 cursor pointing at row to test */
  int *pbRes                      /* OUT: Set to true if row is a match */
){
  int rc = SQLITE_OK;
  if( pCsr->pDeferred==0 ){
    *pbRes = 1;
  }else{
    rc = fts3CursorSeek(0, pCsr);
    if( rc==SQLITE_OK ){
      sqlite3Fts3FreeDeferredDoclists(pCsr);
      rc = sqlite3Fts3CacheDeferredDoclists(pCsr);
    }
    if( rc==SQLITE_OK ){
      char *a = 0;
      int n = 0;
      rc = fts3EvalExpr(pCsr, pCsr->pExpr, &a, &n, 0);
      assert( n>=0 );
      *pbRes = (n>0);
      sqlite3_free(a);
    }
  }
  return rc;
}

/*
** Advance the cursor to the next row in the %_content table that
** matches the search criteria.  For a MATCH search, this will be
** the next row that matches. For a full-table scan, this will be
** simply the next row in the %_content table.  For a docid lookup,
** this routine simply sets the EOF flag.
**
** Return SQLITE_OK if nothing goes wrong.  SQLITE_OK is returned
** even if we reach end-of-file.  The fts3EofMethod() will be called
** subsequently to determine whether or not an EOF was hit.
*/
static int fts3NextMethod(sqlite3_vtab_cursor *pCursor){
  int res;
  int rc = SQLITE_OK;             /* Return code */
  Fts3Cursor *pCsr = (Fts3Cursor *)pCursor;

  pCsr->eEvalmode = FTS3_EVAL_NEXT;
  do {
    if( pCsr->aDoclist==0 ){

      if( SQLITE_ROW!=sqlite3_step(pCsr->pStmt) ){
        pCsr->isEof = 1;
        rc = sqlite3_reset(pCsr->pStmt);
        break;
      }

      pCsr->iPrevId = sqlite3_column_int64(pCsr->pStmt, 0);


    }else{
      if( pCsr->pNextId>=&pCsr->aDoclist[pCsr->nDoclist] ){
        pCsr->isEof = 1;
        break;

      }
      sqlite3_reset(pCsr->pStmt);
      fts3GetDeltaVarint(&pCsr->pNextId, &pCsr->iPrevId);
      pCsr->isRequireSeek = 1;
      pCsr->isMatchinfoNeeded = 1;
    }
  }while( SQLITE_OK==(rc = fts3EvalDeferred(pCsr, &res)) && res==0 );


  return rc;
}

/*
** This is the xFilter interface for the virtual table.  See
** the virtual table xFilter method documentation for additional
** information.
................................................................................
static int fts3FilterMethod(
  sqlite3_vtab_cursor *pCursor,   /* The cursor used for this query */
  int idxNum,                     /* Strategy index */
  const char *idxStr,             /* Unused */
  int nVal,                       /* Number of elements in apVal */
  sqlite3_value **apVal           /* Arguments for the indexing scheme */
){
  const char *azSql[] = {
    "SELECT %s FROM %Q.'%q_content' AS x WHERE docid = ?", /* non-full-scan */
    "SELECT %s FROM %Q.'%q_content' AS x ",                /* full-scan */
  };
  int rc;                         /* Return code */
  char *zSql;                     /* SQL statement used to access %_content */
  Fts3Table *p = (Fts3Table *)pCursor->pVtab;
  Fts3Cursor *pCsr = (Fts3Cursor *)pCursor;

  UNUSED_PARAMETER(idxStr);
  UNUSED_PARAMETER(nVal);

................................................................................

  /* In case the cursor has been used before, clear it now. */
  sqlite3_finalize(pCsr->pStmt);
  sqlite3_free(pCsr->aDoclist);
  sqlite3Fts3ExprFree(pCsr->pExpr);
  memset(&pCursor[1], 0, sizeof(Fts3Cursor)-sizeof(sqlite3_vtab_cursor));








  if( idxNum!=FTS3_DOCID_SEARCH && idxNum!=FTS3_FULLSCAN_SEARCH ){
    int iCol = idxNum-FTS3_FULLTEXT_SEARCH;
    const char *zQuery = (const char *)sqlite3_value_text(apVal[0]);

    if( zQuery==0 && sqlite3_value_type(apVal[0])!=SQLITE_NULL ){
      return SQLITE_NOMEM;
    }

    rc = sqlite3Fts3ExprParse(p->pTokenizer, p->azColumn, p->nColumn, 
        iCol, zQuery, -1, &pCsr->pExpr
    );
    if( rc!=SQLITE_OK ){
      if( rc==SQLITE_ERROR ){
        p->base.zErrMsg = sqlite3_mprintf("malformed MATCH expression: [%s]",
                                          zQuery);
      }
      return rc;
    }

    rc = sqlite3Fts3ReadLock(p);
    if( rc!=SQLITE_OK ) return rc;

    rc = fts3EvalExpr(pCsr, pCsr->pExpr, &pCsr->aDoclist, &pCsr->nDoclist, 0);

    sqlite3Fts3SegmentsClose(p);
    if( rc!=SQLITE_OK ) return rc;
    pCsr->pNextId = pCsr->aDoclist;
    pCsr->iPrevId = 0;
  }

  /* Compile a SELECT statement for this cursor. For a full-table-scan, the
  ** statement loops through all rows of the %_content table. For a
  ** full-text query or docid lookup, the statement retrieves a single
  ** row by docid.
  */
  zSql = (char *)azSql[idxNum==FTS3_FULLSCAN_SEARCH];


  zSql = sqlite3_mprintf(zSql, p->zReadExprlist, p->zDb, p->zName);
  if( !zSql ){
    rc = SQLITE_NOMEM;
  }else{




    rc = sqlite3_prepare_v2(p->db, zSql, -1, &pCsr->pStmt, 0);
    sqlite3_free(zSql);

  }
  if( rc==SQLITE_OK && idxNum==FTS3_DOCID_SEARCH ){
    rc = sqlite3_bind_value(pCsr->pStmt, 1, apVal[0]);

  }
  pCsr->eSearch = (i16)idxNum;

  if( rc!=SQLITE_OK ) return rc;
  return fts3NextMethod(pCursor);
}

/* 
** This is the xEof method of the virtual table. SQLite calls this 
** routine to find out if it has reached the end of a result set.
*/
................................................................................
** This is the xRowid method. The SQLite core calls this routine to
** retrieve the rowid for the current row of the result set. fts3
** exposes %_content.docid as the rowid for the virtual table. The
** rowid should be written to *pRowid.
*/
static int fts3RowidMethod(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){
  Fts3Cursor *pCsr = (Fts3Cursor *) pCursor;
  if( pCsr->aDoclist ){
    *pRowid = pCsr->iPrevId;
  }else{
    /* This branch runs if the query is implemented using a full-table scan
    ** (not using the full-text index). In this case grab the rowid from the
    ** SELECT statement.
    */
    assert( pCsr->isRequireSeek==0 );
    *pRowid = sqlite3_column_int64(pCsr->pStmt, 0);
  }
  return SQLITE_OK;
}

/* 
** This is the xColumn method, called by SQLite to request a value from
** the row that the supplied cursor currently points to.
*/
static int fts3ColumnMethod(
  sqlite3_vtab_cursor *pCursor,   /* Cursor to retrieve value from */
  sqlite3_context *pContext,      /* Context for sqlite3_result_xxx() calls */
  int iCol                        /* Index of column to read value from */
){
  int rc;                         /* Return Code */
  Fts3Cursor *pCsr = (Fts3Cursor *) pCursor;
  Fts3Table *p = (Fts3Table *)pCursor->pVtab;

  /* The column value supplied by SQLite must be in range. */
  assert( iCol>=0 && iCol<=p->nColumn+1 );

  if( iCol==p->nColumn+1 ){
    /* This call is a request for the "docid" column. Since "docid" is an 
    ** alias for "rowid", use the xRowid() method to obtain the value.
    */
    sqlite3_int64 iRowid;
    rc = fts3RowidMethod(pCursor, &iRowid);
    sqlite3_result_int64(pContext, iRowid);
  }else if( iCol==p->nColumn ){
    /* The extra column whose name is the same as the table.
    ** Return a blob which is a pointer to the cursor.
    */
    sqlite3_result_blob(pContext, &pCsr, sizeof(pCsr), SQLITE_TRANSIENT);
    rc = SQLITE_OK;
  }else{
    rc = fts3CursorSeek(0, pCsr);
    if( rc==SQLITE_OK ){
      sqlite3_result_value(pContext, sqlite3_column_value(pCsr->pStmt, iCol+1));
    }
  }


  return rc;
}

/* 
** This function is the implementation of the xUpdate callback used by 
** FTS3 virtual tables. It is invoked by SQLite each time a row is to be
** inserted, updated or deleted.
................................................................................
  return rc;
}

/*
** Implementation of xBegin() method. This is a no-op.
*/
static int fts3BeginMethod(sqlite3_vtab *pVtab){

  UNUSED_PARAMETER(pVtab);

  assert( ((Fts3Table *)pVtab)->nPendingData==0 );



  return SQLITE_OK;
}

/*
** Implementation of xCommit() method. This is a no-op. The contents of
** the pending-terms hash-table have already been flushed into the database
** by fts3SyncMethod().
*/
static int fts3CommitMethod(sqlite3_vtab *pVtab){

  UNUSED_PARAMETER(pVtab);
  assert( ((Fts3Table *)pVtab)->nPendingData==0 );




  return SQLITE_OK;
}

/*
** Implementation of xRollback(). Discard the contents of the pending-terms
** hash-table. Any changes made to the database are reverted by SQLite.
*/
static int fts3RollbackMethod(sqlite3_vtab *pVtab){

  sqlite3Fts3PendingTermsClear((Fts3Table *)pVtab);



  return SQLITE_OK;
}

/*
** Load the doclist associated with expression pExpr to pExpr->aDoclist.
** The loaded doclist contains positions as well as the document ids.
** This is used by the matchinfo(), snippet() and offsets() auxillary
** functions.




*/
SQLITE_PRIVATE int sqlite3Fts3ExprLoadDoclist(Fts3Cursor *pCsr, Fts3Expr *pExpr){
  int rc;
  assert( pExpr->eType==FTSQUERY_PHRASE && pExpr->pPhrase );
  assert( pCsr->eEvalmode==FTS3_EVAL_NEXT );
  rc = fts3EvalExpr(pCsr, pExpr, &pExpr->aDoclist, &pExpr->nDoclist, 1);
  return rc;
}

SQLITE_PRIVATE int sqlite3Fts3ExprLoadFtDoclist(
  Fts3Cursor *pCsr, 
  Fts3Expr *pExpr,
  char **paDoclist,
  int *pnDoclist
){
  int rc;
  assert( pCsr->eEvalmode==FTS3_EVAL_NEXT );
  assert( pExpr->eType==FTSQUERY_PHRASE && pExpr->pPhrase );
  pCsr->eEvalmode = FTS3_EVAL_MATCHINFO;
  rc = fts3EvalExpr(pCsr, pExpr, paDoclist, pnDoclist, 1);
  pCsr->eEvalmode = FTS3_EVAL_NEXT;
  return rc;
}

/*
** After ExprLoadDoclist() (see above) has been called, this function is
** used to iterate/search through the position lists that make up the doclist
** stored in pExpr->aDoclist.
*/
SQLITE_PRIVATE char *sqlite3Fts3FindPositions(
  Fts3Expr *pExpr,                /* Access this expressions doclist */
  sqlite3_int64 iDocid,           /* Docid associated with requested pos-list */
  int iCol                        /* Column of requested pos-list */
){
  assert( pExpr->isLoaded );
  if( pExpr->aDoclist ){
    char *pEnd = &pExpr->aDoclist[pExpr->nDoclist];
    char *pCsr;

    if( pExpr->pCurrent==0 ){
      pExpr->pCurrent = pExpr->aDoclist;
      pExpr->iCurrent = 0;
      pExpr->pCurrent += sqlite3Fts3GetVarint(pExpr->pCurrent,&pExpr->iCurrent);



    }
    pCsr = pExpr->pCurrent;
    assert( pCsr );


    while( pCsr<pEnd ){
      if( pExpr->iCurrent<iDocid ){
        fts3PoslistCopy(0, &pCsr);
        if( pCsr<pEnd ){
          fts3GetDeltaVarint(&pCsr, &pExpr->iCurrent);
        }
        pExpr->pCurrent = pCsr;
      }else{
        if( pExpr->iCurrent==iDocid ){
          int iThis = 0;
          if( iCol<0 ){
            /* If iCol is negative, return a pointer to the start of the
            ** position-list (instead of a pointer to the start of a list
            ** of offsets associated with a specific column).
            */
            return pCsr;
          }
          while( iThis<iCol ){
            fts3ColumnlistCopy(0, &pCsr);
            if( *pCsr==0x00 ) return 0;
            pCsr++;
            pCsr += sqlite3Fts3GetVarint32(pCsr, &iThis);
          }
          if( iCol==iThis && (*pCsr&0xFE) ) return pCsr;
        }
        return 0;
      }
    }
  }

  return 0;

}

/*
** Helper function used by the implementation of the overloaded snippet(),
** offsets() and optimize() SQL functions.
**
** If the value passed as the third argument is a blob of size
................................................................................
  );
  fts3DbExec(&rc, db,
    "ALTER TABLE %Q.'%q_segdir'   RENAME TO '%q_segdir';",
    p->zDb, p->zName, zName
  );
  return rc;
}



























static const sqlite3_module fts3Module = {
  /* iVersion      */ 0,
  /* xCreate       */ fts3CreateMethod,
  /* xConnect      */ fts3ConnectMethod,
  /* xBestIndex    */ fts3BestIndexMethod,
  /* xDisconnect   */ fts3DisconnectMethod,
  /* xDestroy      */ fts3DestroyMethod,
  /* xOpen         */ fts3OpenMethod,
  /* xClose        */ fts3CloseMethod,
................................................................................
  /* xUpdate       */ fts3UpdateMethod,
  /* xBegin        */ fts3BeginMethod,
  /* xSync         */ fts3SyncMethod,
  /* xCommit       */ fts3CommitMethod,
  /* xRollback     */ fts3RollbackMethod,
  /* xFindFunction */ fts3FindFunctionMethod,
  /* xRename */       fts3RenameMethod,



};

/*
** This function is registered as the module destructor (called when an
** FTS3 enabled database connection is closed). It frees the memory
** allocated for the tokenizer hash table.
*/
................................................................................
  const sqlite3_tokenizer_module *pSimple = 0;
  const sqlite3_tokenizer_module *pPorter = 0;

#ifdef SQLITE_ENABLE_ICU
  const sqlite3_tokenizer_module *pIcu = 0;
  sqlite3Fts3IcuTokenizerModule(&pIcu);
#endif






  rc = sqlite3Fts3InitAux(db);
  if( rc!=SQLITE_OK ) return rc;

  sqlite3Fts3SimpleTokenizerModule(&pSimple);
  sqlite3Fts3PorterTokenizerModule(&pPorter);

................................................................................
  const sqlite3_api_routines *pApi
){
  SQLITE_EXTENSION_INIT2(pApi)
  return sqlite3Fts3Init(db);
}
#endif























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































#endif

/************** End of fts3.c ************************************************/
/************** Begin file fts3_aux.c ****************************************/
/*
** 2011 Jan 27
**
................................................................................
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
******************************************************************************
**
*/

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)


typedef struct Fts3auxTable Fts3auxTable;
typedef struct Fts3auxCursor Fts3auxCursor;

struct Fts3auxTable {
  sqlite3_vtab base;              /* Base class used by SQLite core */
  Fts3Table *pFts3Tab;
};

struct Fts3auxCursor {
  sqlite3_vtab_cursor base;       /* Base class used by SQLite core */
  Fts3SegReaderCursor csr;        /* Must be right after "base" */
  Fts3SegFilter filter;
  char *zStop;
  int nStop;                      /* Byte-length of string zStop */
  int isEof;                      /* True if cursor is at EOF */
  sqlite3_int64 iRowid;           /* Current rowid */

  int iCol;                       /* Current value of 'col' column */
................................................................................
  if( !p ) return SQLITE_NOMEM;
  memset(p, 0, nByte);

  p->pFts3Tab = (Fts3Table *)&p[1];
  p->pFts3Tab->zDb = (char *)&p->pFts3Tab[1];
  p->pFts3Tab->zName = &p->pFts3Tab->zDb[nDb+1];
  p->pFts3Tab->db = db;


  memcpy((char *)p->pFts3Tab->zDb, zDb, nDb);
  memcpy((char *)p->pFts3Tab->zName, zFts3, nFts3);
  sqlite3Fts3Dequote((char *)p->pFts3Tab->zName);

  *ppVtab = (sqlite3_vtab *)p;
  return SQLITE_OK;
................................................................................
){
  Fts3auxCursor *pCsr = (Fts3auxCursor *)pCursor;
  Fts3Table *pFts3 = ((Fts3auxTable *)pCursor->pVtab)->pFts3Tab;
  int rc;
  int isScan;

  UNUSED_PARAMETER(nVal);


  assert( idxStr==0 );
  assert( idxNum==FTS4AUX_EQ_CONSTRAINT || idxNum==0
       || idxNum==FTS4AUX_LE_CONSTRAINT || idxNum==FTS4AUX_GE_CONSTRAINT
       || idxNum==(FTS4AUX_LE_CONSTRAINT|FTS4AUX_GE_CONSTRAINT)
  );
  isScan = (idxNum!=FTS4AUX_EQ_CONSTRAINT);
................................................................................
  if( idxNum&FTS4AUX_LE_CONSTRAINT ){
    int iIdx = (idxNum&FTS4AUX_GE_CONSTRAINT) ? 1 : 0;
    pCsr->zStop = sqlite3_mprintf("%s", sqlite3_value_text(apVal[iIdx]));
    pCsr->nStop = sqlite3_value_bytes(apVal[iIdx]);
    if( pCsr->zStop==0 ) return SQLITE_NOMEM;
  }

  rc = sqlite3Fts3SegReaderCursor(pFts3, FTS3_SEGCURSOR_ALL,
      pCsr->filter.zTerm, pCsr->filter.nTerm, 0, isScan, &pCsr->csr
  );
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts3SegReaderStart(pFts3, &pCsr->csr, &pCsr->filter);
  }

  if( rc==SQLITE_OK ) rc = fts3auxNextMethod(pCursor);
................................................................................
     fts3auxRowidMethod,          /* xRowid        */
     0,                           /* xUpdate       */
     0,                           /* xBegin        */
     0,                           /* xSync         */
     0,                           /* xCommit       */
     0,                           /* xRollback     */
     0,                           /* xFindFunction */
     0                            /* xRename       */



  };
  int rc;                         /* Return code */

  rc = sqlite3_create_module(db, "fts4aux", &fts3aux_module, 0);
  return rc;
}

................................................................................

/*
** Default span for NEAR operators.
*/
#define SQLITE_FTS3_DEFAULT_NEAR_PARAM 10










typedef struct ParseContext ParseContext;
struct ParseContext {
  sqlite3_tokenizer *pTokenizer;      /* Tokenizer module */
  const char **azCol;                 /* Array of column names for fts3 table */
  int nCol;                           /* Number of entries in azCol[] */
  int iDefaultCol;                    /* Default column to query */

  sqlite3_context *pCtx;              /* Write error message here */
  int nNest;                          /* Number of nested brackets */
};

/*
** This function is equivalent to the standard isspace() function. 
**
................................................................................
        memcpy(pRet->pPhrase->aToken[0].z, zToken, nToken);

        if( iEnd<n && z[iEnd]=='*' ){
          pRet->pPhrase->aToken[0].isPrefix = 1;
          iEnd++;
        }
        if( !sqlite3_fts3_enable_parentheses && iStart>0 && z[iStart-1]=='-' ){
          pRet->pPhrase->isNot = 1;
        }
      }
      nConsumed = iEnd;
    }

    pModule->xClose(pCursor);
  }
................................................................................
  sqlite3_tokenizer_module const *pModule = pTokenizer->pModule;
  int rc;
  Fts3Expr *p = 0;
  sqlite3_tokenizer_cursor *pCursor = 0;
  char *zTemp = 0;
  int nTemp = 0;























  rc = pModule->xOpen(pTokenizer, zInput, nInput, &pCursor);
  if( rc==SQLITE_OK ){
    int ii;
    pCursor->pTokenizer = pTokenizer;
    for(ii=0; rc==SQLITE_OK; ii++){
      const char *zToken;
      int nToken, iBegin, iEnd, iPos;
      rc = pModule->xNext(pCursor, &zToken, &nToken, &iBegin, &iEnd, &iPos);
      if( rc==SQLITE_OK ){
        int nByte = sizeof(Fts3Expr) + sizeof(Fts3Phrase);
        p = fts3ReallocOrFree(p, nByte+ii*sizeof(Fts3PhraseToken));
        zTemp = fts3ReallocOrFree(zTemp, nTemp + nToken);
        if( !p || !zTemp ){
          goto no_mem;
        }
        if( ii==0 ){
          memset(p, 0, nByte);
          p->pPhrase = (Fts3Phrase *)&p[1];
        }
        p->pPhrase = (Fts3Phrase *)&p[1];
        memset(&p->pPhrase->aToken[ii], 0, sizeof(Fts3PhraseToken));
        p->pPhrase->nToken = ii+1;
        p->pPhrase->aToken[ii].n = nToken;
        memcpy(&zTemp[nTemp], zToken, nToken);
        nTemp += nToken;
        if( iEnd<nInput && zInput[iEnd]=='*' ){
          p->pPhrase->aToken[ii].isPrefix = 1;
        }else{
          p->pPhrase->aToken[ii].isPrefix = 0;
        }
      }
    }

    pModule->xClose(pCursor);
    pCursor = 0;
  }

  if( rc==SQLITE_DONE ){
    int jj;
    char *zNew = NULL;
    int nNew = 0;
    int nByte = sizeof(Fts3Expr) + sizeof(Fts3Phrase);
    nByte += (p?(p->pPhrase->nToken-1):0) * sizeof(Fts3PhraseToken);
    p = fts3ReallocOrFree(p, nByte + nTemp);
    if( !p ){
      goto no_mem;
    }
    if( zTemp ){
      zNew = &(((char *)p)[nByte]);
      memcpy(zNew, zTemp, nTemp);
    }else{
      memset(p, 0, nByte+nTemp);
    }
    p->pPhrase = (Fts3Phrase *)&p[1];
    for(jj=0; jj<p->pPhrase->nToken; jj++){
      p->pPhrase->aToken[jj].z = &zNew[nNew];
      nNew += p->pPhrase->aToken[jj].n;
    }
    sqlite3_free(zTemp);
    p->eType = FTSQUERY_PHRASE;
    p->pPhrase->iColumn = pParse->iDefaultCol;
    rc = SQLITE_OK;
  }

  *ppExpr = p;
  return rc;
no_mem:

................................................................................
  int iCol;
  int iColLen;
  int rc;
  Fts3Expr *pRet = 0;

  const char *zInput = z;
  int nInput = n;



  /* Skip over any whitespace before checking for a keyword, an open or
  ** close bracket, or a quoted string. 
  */
  while( nInput>0 && fts3isspace(*zInput) ){
    nInput--;
    zInput++;
................................................................................
    Fts3Expr *p = 0;
    int nByte = 0;
    rc = getNextNode(pParse, zIn, nIn, &p, &nByte);
    if( rc==SQLITE_OK ){
      int isPhrase;

      if( !sqlite3_fts3_enable_parentheses 
       && p->eType==FTSQUERY_PHRASE && p->pPhrase->isNot 
      ){
        /* Create an implicit NOT operator. */
        Fts3Expr *pNot = fts3MallocZero(sizeof(Fts3Expr));
        if( !pNot ){
          sqlite3Fts3ExprFree(p);
          rc = SQLITE_NOMEM;
          goto exprparse_out;
................................................................................
        if( pNotBranch ){
          pNot->pLeft = pNotBranch;
        }
        pNotBranch = pNot;
        p = pPrev;
      }else{
        int eType = p->eType;
        assert( eType!=FTSQUERY_PHRASE || !p->pPhrase->isNot );
        isPhrase = (eType==FTSQUERY_PHRASE || p->pLeft);

        /* The isRequirePhrase variable is set to true if a phrase or
        ** an expression contained in parenthesis is required. If a
        ** binary operator (AND, OR, NOT or NEAR) is encounted when
        ** isRequirePhrase is set, this is a syntax error.
        */
................................................................................
}

/*
** Free a parsed fts3 query expression allocated by sqlite3Fts3ExprParse().
*/
SQLITE_PRIVATE void sqlite3Fts3ExprFree(Fts3Expr *p){
  if( p ){

    sqlite3Fts3ExprFree(p->pLeft);
    sqlite3Fts3ExprFree(p->pRight);

    sqlite3_free(p->aDoclist);
    sqlite3_free(p);
  }
}

/****************************************************************************
*****************************************************************************
** Everything after this point is just test code.
................................................................................
*/
static char *exprToString(Fts3Expr *pExpr, char *zBuf){
  switch( pExpr->eType ){
    case FTSQUERY_PHRASE: {
      Fts3Phrase *pPhrase = pExpr->pPhrase;
      int i;
      zBuf = sqlite3_mprintf(
          "%zPHRASE %d %d", zBuf, pPhrase->iColumn, pPhrase->isNot);
      for(i=0; zBuf && i<pPhrase->nToken; i++){
        zBuf = sqlite3_mprintf("%z %.*s%s", zBuf, 
            pPhrase->aToken[i].n, pPhrase->aToken[i].z,
            (pPhrase->aToken[i].isPrefix?"+":"")
        );
      }
      return zBuf;
................................................................................
**     * The FTS3 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS3 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS3 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)




/*
** Class derived from sqlite3_tokenizer
*/
typedef struct porter_tokenizer {
................................................................................
**
**     * The FTS3 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS3 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS3 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)

#ifndef SQLITE_CORE
  SQLITE_EXTENSION_INIT1
#endif




/*
** Implementation of the SQL scalar function for accessing the underlying 
** hash table. This function may be called as follows:
**
**   SELECT <function-name>(<key-name>);
................................................................................
  Fts3Hash *pHash,                /* Tokenizer hash table */
  const char *zArg,               /* Tokenizer name */
  sqlite3_tokenizer **ppTok,      /* OUT: Tokenizer (if applicable) */
  char **pzErr                    /* OUT: Set to malloced error message */
){
  int rc;
  char *z = (char *)zArg;
  int n;
  char *zCopy;
  char *zEnd;                     /* Pointer to nul-term of zCopy */
  sqlite3_tokenizer_module *m;

  zCopy = sqlite3_mprintf("%s", zArg);
  if( !zCopy ) return SQLITE_NOMEM;
  zEnd = &zCopy[strlen(zCopy)];
................................................................................
**     * The FTS3 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS3 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)




typedef struct simple_tokenizer {
  sqlite3_tokenizer base;
  char delim[128];             /* flag ASCII delimiters */
} simple_tokenizer;

typedef struct simple_tokenizer_cursor {
  sqlite3_tokenizer_cursor base;
................................................................................
**
** This means that if we have a pointer into a buffer containing node data,
** it is always safe to read up to two varints from it without risking an
** overread, even if the node data is corrupted.
*/
#define FTS3_NODE_PADDING (FTS3_VARINT_MAX*2)




























typedef struct PendingList PendingList;
typedef struct SegmentNode SegmentNode;
typedef struct SegmentWriter SegmentWriter;

/*
** Data structure used while accumulating terms in the pending-terms hash
** table. The hash table entry maps from term (a string) to a malloc'd
** instance of this structure.
*/
struct PendingList {
  int nData;
  char *aData;
  int nSpace;
  sqlite3_int64 iLastDocid;
  sqlite3_int64 iLastCol;
................................................................................
** a contiguous set of segment b-tree leaf nodes. Although the details of
** this structure are only manipulated by code in this file, opaque handles
** of type Fts3SegReader* are also used by code in fts3.c to iterate through
** terms when querying the full-text index. See functions:
**
**   sqlite3Fts3SegReaderNew()
**   sqlite3Fts3SegReaderFree()
**   sqlite3Fts3SegReaderCost()
**   sqlite3Fts3SegReaderIterate()
**
** Methods used to manipulate Fts3SegReader structures:
**
**   fts3SegReaderNext()
**   fts3SegReaderFirstDocid()
**   fts3SegReaderNextDocid()
................................................................................
  sqlite3_int64 iStartBlock;      /* Rowid of first leaf block to traverse */
  sqlite3_int64 iLeafEndBlock;    /* Rowid of final leaf block to traverse */
  sqlite3_int64 iEndBlock;        /* Rowid of final block in segment (or 0) */
  sqlite3_int64 iCurrentBlock;    /* Current leaf block (or 0) */

  char *aNode;                    /* Pointer to node data (or NULL) */
  int nNode;                      /* Size of buffer at aNode (or 0) */



  Fts3HashElem **ppNextElem;

  /* Variables set by fts3SegReaderNext(). These may be read directly
  ** by the caller. They are valid from the time SegmentReaderNew() returns
  ** until SegmentReaderNext() returns something other than SQLITE_OK
  ** (i.e. SQLITE_DONE).
  */
  int nTerm;                      /* Number of bytes in current term */
  char *zTerm;                    /* Pointer to current term */
  int nTermAlloc;                 /* Allocated size of zTerm buffer */
  char *aDoclist;                 /* Pointer to doclist of current entry */
  int nDoclist;                   /* Size of doclist in current entry */

  /* The following variables are used to iterate through the current doclist */


  char *pOffsetList;

  sqlite3_int64 iDocid;
};

#define fts3SegReaderIsPending(p) ((p)->ppNextElem!=0)
#define fts3SegReaderIsRootOnly(p) ((p)->aNode==(char *)&(p)[1])

/*
................................................................................
** the interior part of the segment b+-tree structures (everything except
** the leaf nodes). These functions and type are only ever used by code
** within the fts3SegWriterXXX() family of functions described above.
**
**   fts3NodeAddTerm()
**   fts3NodeWrite()
**   fts3NodeFree()








*/
struct SegmentNode {
  SegmentNode *pParent;           /* Parent node (or NULL for root node) */
  SegmentNode *pRight;            /* Pointer to right-sibling */
  SegmentNode *pLeftmost;         /* Pointer to left-most node of this depth */
  int nEntry;                     /* Number of terms written to node so far */
  char *zTerm;                    /* Pointer to previous term buffer */
................................................................................
#define SQL_DELETE_ALL_STAT            6
#define SQL_SELECT_CONTENT_BY_ROWID    7
#define SQL_NEXT_SEGMENT_INDEX         8
#define SQL_INSERT_SEGMENTS            9
#define SQL_NEXT_SEGMENTS_ID          10
#define SQL_INSERT_SEGDIR             11
#define SQL_SELECT_LEVEL              12
#define SQL_SELECT_ALL_LEVEL          13
#define SQL_SELECT_LEVEL_COUNT        14
#define SQL_SELECT_SEGDIR_COUNT_MAX   15
#define SQL_DELETE_SEGDIR_BY_LEVEL    16
#define SQL_DELETE_SEGMENTS_RANGE     17
#define SQL_CONTENT_INSERT            18
#define SQL_DELETE_DOCSIZE            19
#define SQL_REPLACE_DOCSIZE           20
#define SQL_SELECT_DOCSIZE            21
#define SQL_SELECT_DOCTOTAL           22
#define SQL_REPLACE_DOCTOTAL          23






/*
** This function is used to obtain an SQLite prepared statement handle
** for the statement identified by the second argument. If successful,
** *pp is set to the requested statement handle and SQLITE_OK returned.
** Otherwise, an SQLite error code is returned and *pp is set to 0.
**
................................................................................
/* 10 */  "SELECT coalesce((SELECT max(blockid) FROM %Q.'%q_segments') + 1, 1)",
/* 11 */  "INSERT INTO %Q.'%q_segdir' VALUES(?,?,?,?,?,?)",

          /* Return segments in order from oldest to newest.*/ 
/* 12 */  "SELECT idx, start_block, leaves_end_block, end_block, root "
            "FROM %Q.'%q_segdir' WHERE level = ? ORDER BY idx ASC",
/* 13 */  "SELECT idx, start_block, leaves_end_block, end_block, root "

            "FROM %Q.'%q_segdir' ORDER BY level DESC, idx ASC",

/* 14 */  "SELECT count(*) FROM %Q.'%q_segdir' WHERE level = ?",
/* 15 */  "SELECT count(*), max(level) FROM %Q.'%q_segdir'",

/* 16 */  "DELETE FROM %Q.'%q_segdir' WHERE level = ?",
/* 17 */  "DELETE FROM %Q.'%q_segments' WHERE blockid BETWEEN ? AND ?",
/* 18 */  "INSERT INTO %Q.'%q_content' VALUES(%s)",
/* 19 */  "DELETE FROM %Q.'%q_docsize' WHERE docid = ?",
/* 20 */  "REPLACE INTO %Q.'%q_docsize' VALUES(?,?)",
/* 21 */  "SELECT size FROM %Q.'%q_docsize' WHERE docid=?",
/* 22 */  "SELECT value FROM %Q.'%q_stat' WHERE id=0",
/* 23 */  "REPLACE INTO %Q.'%q_stat' VALUES(0,?)",





  };
  int rc = SQLITE_OK;
  sqlite3_stmt *pStmt;

  assert( SizeofArray(azSql)==SizeofArray(p->aStmt) );
  assert( eStmt<SizeofArray(azSql) && eStmt>=0 );
  
................................................................................
  if( rc==SQLITE_OK ){
    if( eStmt==SQL_SELECT_DOCSIZE ){
      sqlite3_bind_int64(pStmt, 1, iDocid);
    }
    rc = sqlite3_step(pStmt);
    if( rc!=SQLITE_ROW || sqlite3_column_type(pStmt, 0)!=SQLITE_BLOB ){
      rc = sqlite3_reset(pStmt);
      if( rc==SQLITE_OK ) rc = SQLITE_CORRUPT;
      pStmt = 0;
    }else{
      rc = SQLITE_OK;
    }
  }

  *ppStmt = pStmt;
................................................................................
**
**   0: idx
**   1: start_block
**   2: leaves_end_block
**   3: end_block
**   4: root
*/
SQLITE_PRIVATE int sqlite3Fts3AllSegdirs(Fts3Table *p, int iLevel, sqlite3_stmt **ppStmt){





  int rc;
  sqlite3_stmt *pStmt = 0;





  if( iLevel<0 ){

    rc = fts3SqlStmt(p, SQL_SELECT_ALL_LEVEL, &pStmt, 0);




  }else{

    rc = fts3SqlStmt(p, SQL_SELECT_LEVEL, &pStmt, 0);

    if( rc==SQLITE_OK ) sqlite3_bind_int(pStmt, 1, iLevel);

  }
  *ppStmt = pStmt;
  return rc;
}


/*
................................................................................
  *pRc = rc;
  if( p!=*pp ){
    *pp = p;
    return 1;
  }
  return 0;
}










































/*
** Tokenize the nul-terminated string zText and add all tokens to the
** pending-terms hash-table. The docid used is that currently stored in
** p->iPrevDocid, and the column is specified by argument iCol.
**
** If successful, SQLITE_OK is returned. Otherwise, an SQLite error code.
................................................................................
  sqlite3_tokenizer *pTokenizer = p->pTokenizer;
  sqlite3_tokenizer_module const *pModule = pTokenizer->pModule;
  sqlite3_tokenizer_cursor *pCsr;
  int (*xNext)(sqlite3_tokenizer_cursor *pCursor,
      const char**,int*,int*,int*,int*);

  assert( pTokenizer && pModule );









  rc = pModule->xOpen(pTokenizer, zText, -1, &pCsr);
  if( rc!=SQLITE_OK ){
    return rc;
  }
  pCsr->pTokenizer = pTokenizer;

  xNext = pModule->xNext;
  while( SQLITE_OK==rc
      && SQLITE_OK==(rc = xNext(pCsr, &zToken, &nToken, &iStart, &iEnd, &iPos))
  ){
    PendingList *pList;
 
    if( iPos>=nWord ) nWord = iPos+1;

    /* Positions cannot be negative; we use -1 as a terminator internally.
    ** Tokens must have a non-zero length.
    */
    if( iPos<0 || !zToken || nToken<=0 ){
      rc = SQLITE_ERROR;
      break;
    }

    pList = (PendingList *)fts3HashFind(&p->pendingTerms, zToken, nToken);
    if( pList ){
      p->nPendingData -= (pList->nData + nToken + sizeof(Fts3HashElem));
    }
    if( fts3PendingListAppend(&pList, p->iPrevDocid, iCol, iPos, &rc) ){
      if( pList==fts3HashInsert(&p->pendingTerms, zToken, nToken, pList) ){
        /* Malloc failed while inserting the new entry. This can only 
        ** happen if there was no previous entry for this token.
        */
        assert( 0==fts3HashFind(&p->pendingTerms, zToken, nToken) );
        sqlite3_free(pList);
        rc = SQLITE_NOMEM;
      }
    }
    if( rc==SQLITE_OK ){
      p->nPendingData += (pList->nData + nToken + sizeof(Fts3HashElem));
    }
  }

  pModule->xClose(pCsr);
  *pnWord = nWord;
  return (rc==SQLITE_DONE ? SQLITE_OK : rc);
}
................................................................................
    if( rc!=SQLITE_OK ) return rc;
  }
  p->iPrevDocid = iDocid;
  return SQLITE_OK;
}

/*
** Discard the contents of the pending-terms hash table. 
*/
SQLITE_PRIVATE void sqlite3Fts3PendingTermsClear(Fts3Table *p){


  Fts3HashElem *pElem;

  for(pElem=fts3HashFirst(&p->pendingTerms); pElem; pElem=fts3HashNext(pElem)){
    sqlite3_free(fts3HashData(pElem));

  }
  fts3HashClear(&p->pendingTerms);

  p->nPendingData = 0;
}

/*
** This function is called by the xUpdate() method as part of an INSERT
** operation. It adds entries for each term in the new record to the
** pendingTerms hash table.
................................................................................
** Argument apVal is the same as the similarly named argument passed to
** fts3InsertData(). Parameter iDocid is the docid of the new row.
*/
static int fts3InsertTerms(Fts3Table *p, sqlite3_value **apVal, u32 *aSz){
  int i;                          /* Iterator variable */
  for(i=2; i<p->nColumn+2; i++){
    const char *zText = (const char *)sqlite3_value_text(apVal[i]);
    if( zText ){
      int rc = fts3PendingTermsAdd(p, zText, i-2, &aSz[i-2]);
      if( rc!=SQLITE_OK ){
        return rc;
      }
    }
    aSz[p->nColumn] += sqlite3_value_bytes(apVal[i]);
  }
  return SQLITE_OK;
}

/*
................................................................................
** The first element in the apVal[] array is assumed to contain the docid
** (an integer) of a row about to be deleted. Remove all terms from the
** full-text index.
*/
static void fts3DeleteTerms( 
  int *pRC,               /* Result code */
  Fts3Table *p,           /* The FTS table to delete from */
  sqlite3_value **apVal,  /* apVal[] contains the docid to be deleted */
  u32 *aSz                /* Sizes of deleted document written here */
){
  int rc;
  sqlite3_stmt *pSelect;

  if( *pRC ) return;
  rc = fts3SqlStmt(p, SQL_SELECT_CONTENT_BY_ROWID, &pSelect, apVal);
  if( rc==SQLITE_OK ){
    if( SQLITE_ROW==sqlite3_step(pSelect) ){
      int i;
      for(i=1; i<=p->nColumn; i++){
        const char *zText = (const char *)sqlite3_column_text(pSelect, i);
        rc = fts3PendingTermsAdd(p, zText, -1, &aSz[i-1]);
        if( rc!=SQLITE_OK ){
................................................................................
  *pRC = rc;
}

/*
** Forward declaration to account for the circular dependency between
** functions fts3SegmentMerge() and fts3AllocateSegdirIdx().
*/
static int fts3SegmentMerge(Fts3Table *, int);

/* 
** This function allocates a new level iLevel index in the segdir table.
** Usually, indexes are allocated within a level sequentially starting
** with 0, so the allocated index is one greater than the value returned
** by:
**
................................................................................
** However, if there are already FTS3_MERGE_COUNT indexes at the requested
** level, they are merged into a single level (iLevel+1) segment and the 
** allocated index is 0.
**
** If successful, *piIdx is set to the allocated index slot and SQLITE_OK
** returned. Otherwise, an SQLite error code is returned.
*/
static int fts3AllocateSegdirIdx(Fts3Table *p, int iLevel, int *piIdx){





  int rc;                         /* Return Code */
  sqlite3_stmt *pNextIdx;         /* Query for next idx at level iLevel */
  int iNext = 0;                  /* Result of query pNextIdx */

  /* Set variable iNext to the next available segdir index at level iLevel. */
  rc = fts3SqlStmt(p, SQL_NEXT_SEGMENT_INDEX, &pNextIdx, 0);
  if( rc==SQLITE_OK ){
    sqlite3_bind_int(pNextIdx, 1, iLevel);
    if( SQLITE_ROW==sqlite3_step(pNextIdx) ){
      iNext = sqlite3_column_int(pNextIdx, 0);
    }
    rc = sqlite3_reset(pNextIdx);
  }

  if( rc==SQLITE_OK ){
    /* If iNext is FTS3_MERGE_COUNT, indicating that level iLevel is already
    ** full, merge all segments in level iLevel into a single iLevel+1
    ** segment and allocate (newly freed) index 0 at level iLevel. Otherwise,
    ** if iNext is less than FTS3_MERGE_COUNT, allocate index iNext.
    */
    if( iNext>=FTS3_MERGE_COUNT ){
      rc = fts3SegmentMerge(p, iLevel);
      *piIdx = 0;
    }else{
      *piIdx = iNext;
    }
  }

  return rc;
................................................................................
** method (xFilter etc.) that may directly or indirectly call this function
** must call sqlite3Fts3SegmentsClose() before returning.
*/
SQLITE_PRIVATE int sqlite3Fts3ReadBlock(
  Fts3Table *p,                   /* FTS3 table handle */
  sqlite3_int64 iBlockid,         /* Access the row with blockid=$iBlockid */
  char **paBlob,                  /* OUT: Blob data in malloc'd buffer */
  int *pnBlob                     /* OUT: Size of blob data */

){
  int rc;                         /* Return code */

  /* pnBlob must be non-NULL. paBlob may be NULL or non-NULL. */
  assert( pnBlob);

  if( p->pSegments ){
................................................................................
    rc = sqlite3_blob_open(
       p->db, p->zDb, p->zSegmentsTbl, "block", iBlockid, 0, &p->pSegments
    );
  }

  if( rc==SQLITE_OK ){
    int nByte = sqlite3_blob_bytes(p->pSegments);

    if( paBlob ){
      char *aByte = sqlite3_malloc(nByte + FTS3_NODE_PADDING);
      if( !aByte ){
        rc = SQLITE_NOMEM;
      }else{




        rc = sqlite3_blob_read(p->pSegments, aByte, nByte, 0);
        memset(&aByte[nByte], 0, FTS3_NODE_PADDING);
        if( rc!=SQLITE_OK ){
          sqlite3_free(aByte);
          aByte = 0;
        }
      }
      *paBlob = aByte;
    }
    *pnBlob = nByte;
  }

  return rc;
}

/*
** Close the blob handle at p->pSegments, if it is open. See comments above
** the sqlite3Fts3ReadBlock() function for details.
*/
SQLITE_PRIVATE void sqlite3Fts3SegmentsClose(Fts3Table *p){
  sqlite3_blob_close(p->pSegments);
  p->pSegments = 0;
}






































/*
** Move the iterator passed as the first argument to the next term in the
** segment. If successful, SQLITE_OK is returned. If there is no next term,
** SQLITE_DONE. Otherwise, an SQLite error code.
*/
static int fts3SegReaderNext(Fts3Table *p, Fts3SegReader *pReader){





  char *pNext;                    /* Cursor variable */
  int nPrefix;                    /* Number of bytes in term prefix */
  int nSuffix;                    /* Number of bytes in term suffix */

  if( !pReader->aDoclist ){
    pNext = pReader->aNode;
  }else{
    pNext = &pReader->aDoclist[pReader->nDoclist];
  }

  if( !pNext || pNext>=&pReader->aNode[pReader->nNode] ){
    int rc;                       /* Return code from Fts3ReadBlock() */

    if( fts3SegReaderIsPending(pReader) ){
      Fts3HashElem *pElem = *(pReader->ppNextElem);
      if( pElem==0 ){
        pReader->aNode = 0;
      }else{
        PendingList *pList = (PendingList *)fts3HashData(pElem);
................................................................................
        assert( pReader->aNode );
      }
      return SQLITE_OK;
    }

    if( !fts3SegReaderIsRootOnly(pReader) ){
      sqlite3_free(pReader->aNode);


    }
    pReader->aNode = 0;

    /* If iCurrentBlock>=iLeafEndBlock, this is an EOF condition. All leaf 
    ** blocks have already been traversed.  */
    assert( pReader->iCurrentBlock<=pReader->iLeafEndBlock );
    if( pReader->iCurrentBlock>=pReader->iLeafEndBlock ){
      return SQLITE_OK;
    }

    rc = sqlite3Fts3ReadBlock(
        p, ++pReader->iCurrentBlock, &pReader->aNode, &pReader->nNode

    );
    if( rc!=SQLITE_OK ) return rc;





    pNext = pReader->aNode;
  }
  





  /* Because of the FTS3_NODE_PADDING bytes of padding, the following is 
  ** safe (no risk of overread) even if the node data is corrupted.  
  */
  pNext += sqlite3Fts3GetVarint32(pNext, &nPrefix);
  pNext += sqlite3Fts3GetVarint32(pNext, &nSuffix);
  if( nPrefix<0 || nSuffix<=0 
   || &pNext[nSuffix]>&pReader->aNode[pReader->nNode] 
  ){
    return SQLITE_CORRUPT;
  }

  if( nPrefix+nSuffix>pReader->nTermAlloc ){
    int nNew = (nPrefix+nSuffix)*2;
    char *zNew = sqlite3_realloc(pReader->zTerm, nNew);
    if( !zNew ){
      return SQLITE_NOMEM;
    }
    pReader->zTerm = zNew;
    pReader->nTermAlloc = nNew;
  }




  memcpy(&pReader->zTerm[nPrefix], pNext, nSuffix);
  pReader->nTerm = nPrefix+nSuffix;
  pNext += nSuffix;
  pNext += sqlite3Fts3GetVarint32(pNext, &pReader->nDoclist);
  pReader->aDoclist = pNext;
  pReader->pOffsetList = 0;

  /* Check that the doclist does not appear to extend past the end of the
  ** b-tree node. And that the final byte of the doclist is 0x00. If either 
  ** of these statements is untrue, then the data structure is corrupt.
  */
  if( &pReader->aDoclist[pReader->nDoclist]>&pReader->aNode[pReader->nNode] 
   || pReader->aDoclist[pReader->nDoclist-1]
  ){
    return SQLITE_CORRUPT;
  }
  return SQLITE_OK;
}

/*
** Set the SegReader to point to the first docid in the doclist associated
** with the current term.
*/
static void fts3SegReaderFirstDocid(Fts3SegReader *pReader){
  int n;
  assert( pReader->aDoclist );
  assert( !pReader->pOffsetList );











  n = sqlite3Fts3GetVarint(pReader->aDoclist, &pReader->iDocid);
  pReader->pOffsetList = &pReader->aDoclist[n];



}

/*
** Advance the SegReader to point to the next docid in the doclist
** associated with the current term.
** 
** If arguments ppOffsetList and pnOffsetList are not NULL, then 
** *ppOffsetList is set to point to the first column-offset list
** in the doclist entry (i.e. immediately past the docid varint).
** *pnOffsetList is set to the length of the set of column-offset
** lists, not including the nul-terminator byte. For example:
*/
static void fts3SegReaderNextDocid(

  Fts3SegReader *pReader,
  char **ppOffsetList,
  int *pnOffsetList
){

  char *p = pReader->pOffsetList;
  char c = 0;
























  /* Pointer p currently points at the first byte of an offset list. The
  ** following two lines advance it to point one byte past the end of
  ** the same offset list.







  */
  while( *p | c ) c = *p++ & 0x80;






  p++;

  /* If required, populate the output variables with a pointer to and the
  ** size of the previous offset-list.
  */
  if( ppOffsetList ){
    *ppOffsetList = pReader->pOffsetList;
    *pnOffsetList = (int)(p - pReader->pOffsetList - 1);
  }



  /* If there are no more entries in the doclist, set pOffsetList to
  ** NULL. Otherwise, set Fts3SegReader.iDocid to the next docid and
  ** Fts3SegReader.pOffsetList to point to the next offset list before
  ** returning.
  */
  if( p>=&pReader->aDoclist[pReader->nDoclist] ){

    pReader->pOffsetList = 0;
  }else{


    sqlite3_int64 iDelta;
    pReader->pOffsetList = p + sqlite3Fts3GetVarint(p, &iDelta);



    pReader->iDocid += iDelta;
  }
}

/*
** This function is called to estimate the amount of data that will be 
** loaded from the disk If SegReaderIterate() is called on this seg-reader,
** in units of average document size.
** 
** This can be used as follows: If the caller has a small doclist that 
** contains references to N documents, and is considering merging it with
** a large doclist (size X "average documents"), it may opt not to load
** the large doclist if X>N.
*/






SQLITE_PRIVATE int sqlite3Fts3SegReaderCost(
  Fts3Cursor *pCsr,               /* FTS3 cursor handle */
  Fts3SegReader *pReader,         /* Segment-reader handle */
  int *pnCost                     /* IN/OUT: Number of bytes read */


){
  Fts3Table *p = (Fts3Table*)pCsr->base.pVtab;


  int rc = SQLITE_OK;             /* Return code */
  int nCost = 0;                  /* Cost in bytes to return */
  int pgsz = p->nPgsz;            /* Database page size */

  /* If this seg-reader is reading the pending-terms table, or if all data
  ** for the segment is stored on the root page of the b-tree, then the cost
  ** is zero. In this case all required data is already in main memory.
  */
  if( p->bHasStat 




   && !fts3SegReaderIsPending(pReader) 
   && !fts3SegReaderIsRootOnly(pReader) 
  ){
    int nBlob = 0;
    sqlite3_int64 iBlock;

    if( pCsr->nRowAvg==0 ){
      /* The average document size, which is required to calculate the cost
      ** of each doclist, has not yet been determined. Read the required 
      ** data from the %_stat table to calculate it.
      **
      ** Entry 0 of the %_stat table is a blob containing (nCol+1) FTS3 
      ** varints, where nCol is the number of columns in the FTS3 table.
      ** The first varint is the number of documents currently stored in
      ** the table. The following nCol varints contain the total amount of
      ** data stored in all rows of each column of the table, from left
      ** to right.
      */
      sqlite3_stmt *pStmt;
      sqlite3_int64 nDoc = 0;
      sqlite3_int64 nByte = 0;
      const char *pEnd;
      const char *a;

      rc = sqlite3Fts3SelectDoctotal(p, &pStmt);
      if( rc!=SQLITE_OK ) return rc;
      a = sqlite3_column_blob(pStmt, 0);
      assert( a );

      pEnd = &a[sqlite3_column_bytes(pStmt, 0)];
      a += sqlite3Fts3GetVarint(a, &nDoc);
      while( a<pEnd ){
        a += sqlite3Fts3GetVarint(a, &nByte);
      }
      if( nDoc==0 || nByte==0 ){
        sqlite3_reset(pStmt);
        return SQLITE_CORRUPT;
      }

      pCsr->nRowAvg = (int)(((nByte / nDoc) + pgsz) / pgsz);
      assert( pCsr->nRowAvg>0 ); 
      rc = sqlite3_reset(pStmt);
      if( rc!=SQLITE_OK ) return rc;
    }

    /* Assume that a blob flows over onto overflow pages if it is larger
    ** than (pgsz-35) bytes in size (the file-format documentation
    ** confirms this).
    */
    for(iBlock=pReader->iStartBlock; iBlock<=pReader->iLeafEndBlock; iBlock++){

      rc = sqlite3Fts3ReadBlock(p, iBlock, 0, &nBlob);
      if( rc!=SQLITE_OK ) break;
      if( (nBlob+35)>pgsz ){
        int nOvfl = (nBlob + 34)/pgsz;
        nCost += ((nOvfl + pCsr->nRowAvg - 1)/pCsr->nRowAvg);
      }
    }
  }

  *pnCost += nCost;

  return rc;
}

/*
** Free all allocations associated with the iterator passed as the 
** second argument.
*/
SQLITE_PRIVATE void sqlite3Fts3SegReaderFree(Fts3SegReader *pReader){
  if( pReader && !fts3SegReaderIsPending(pReader) ){
    sqlite3_free(pReader->zTerm);
    if( !fts3SegReaderIsRootOnly(pReader) ){
      sqlite3_free(pReader->aNode);

    }
  }
  sqlite3_free(pReader);
}

/*
** Allocate a new SegReader object.
................................................................................
  }
  return c;
}

/*
** This function is used to allocate an Fts3SegReader that iterates through
** a subset of the terms stored in the Fts3Table.pendingTerms array.















*/
SQLITE_PRIVATE int sqlite3Fts3SegReaderPending(
  Fts3Table *p,                   /* Virtual table handle */

  const char *zTerm,              /* Term to search for */
  int nTerm,                      /* Size of buffer zTerm */
  int isPrefix,                   /* True for a term-prefix query */
  Fts3SegReader **ppReader        /* OUT: SegReader for pending-terms */
){
  Fts3SegReader *pReader = 0;     /* Fts3SegReader object to return */
  Fts3HashElem **aElem = 0;       /* Array of term hash entries to scan */
  int nElem = 0;                  /* Size of array at aElem */
  int rc = SQLITE_OK;             /* Return Code */



  if( isPrefix ){
    int nAlloc = 0;               /* Size of allocated array at aElem */
    Fts3HashElem *pE = 0;         /* Iterator variable */

    for(pE=fts3HashFirst(&p->pendingTerms); pE; pE=fts3HashNext(pE)){
      char *zKey = (char *)fts3HashKey(pE);
      int nKey = fts3HashKeysize(pE);
      if( nTerm==0 || (nKey>=nTerm && 0==memcmp(zKey, zTerm, nTerm)) ){
        if( nElem==nAlloc ){
          Fts3HashElem **aElem2;
          nAlloc += 16;
          aElem2 = (Fts3HashElem **)sqlite3_realloc(
................................................................................
          if( !aElem2 ){
            rc = SQLITE_NOMEM;
            nElem = 0;
            break;
          }
          aElem = aElem2;
        }

        aElem[nElem++] = pE;
      }
    }

    /* If more than one term matches the prefix, sort the Fts3HashElem
    ** objects in term order using qsort(). This uses the same comparison
    ** callback as is used when flushing terms to disk.
    */
    if( nElem>1 ){
      qsort(aElem, nElem, sizeof(Fts3HashElem *), fts3CompareElemByTerm);
    }

  }else{


    Fts3HashElem *pE = fts3HashFindElem(&p->pendingTerms, zTerm, nTerm);
    if( pE ){
      aElem = &pE;
      nElem = 1;
    }
  }

  if( nElem>0 ){
................................................................................
      memset(pReader, 0, nByte);
      pReader->iIdx = 0x7FFFFFFF;
      pReader->ppNextElem = (Fts3HashElem **)&pReader[1];
      memcpy(pReader->ppNextElem, aElem, nElem*sizeof(Fts3HashElem *));
    }
  }

  if( isPrefix ){
    sqlite3_free(aElem);
  }
  *ppReader = pReader;
  return rc;
}

/*
................................................................................
  int rc = (pLhs->pOffsetList==0)-(pRhs->pOffsetList==0);
  if( rc==0 ){
    if( pLhs->iDocid==pRhs->iDocid ){
      rc = pRhs->iIdx - pLhs->iIdx;
    }else{
      rc = (pLhs->iDocid > pRhs->iDocid) ? 1 : -1;
    }












  }
  assert( pLhs->aNode && pRhs->aNode );
  return rc;
}

/*
** Compare the term that the Fts3SegReader object passed as the first argument
................................................................................
  }
}

/*
** The first value in the apVal[] array is assumed to contain an integer.
** This function tests if there exist any documents with docid values that
** are different from that integer. i.e. if deleting the document with docid
** apVal[0] would mean the FTS3 table were empty.
**
** If successful, *pisEmpty is set to true if the table is empty except for
** document apVal[0], or false otherwise, and SQLITE_OK is returned. If an
** error occurs, an SQLite error code is returned.
*/
static int fts3IsEmpty(Fts3Table *p, sqlite3_value **apVal, int *pisEmpty){
  sqlite3_stmt *pStmt;
  int rc;
  rc = fts3SqlStmt(p, SQL_IS_EMPTY, &pStmt, apVal);
  if( rc==SQLITE_OK ){
    if( SQLITE_ROW==sqlite3_step(pStmt) ){
      *pisEmpty = sqlite3_column_int(pStmt, 0);
    }
    rc = sqlite3_reset(pStmt);
  }
  return rc;
}

/*
** Set *pnSegment to the total number of segments in the database. Set
** *pnMax to the largest segment level in the database (segment levels


** are stored in the 'level' column of the %_segdir table).
**
** Return SQLITE_OK if successful, or an SQLite error code if not.
*/
static int fts3SegmentCountMax(Fts3Table *p, int *pnSegment, int *pnMax){
  sqlite3_stmt *pStmt;
  int rc;








  rc = fts3SqlStmt(p, SQL_SELECT_SEGDIR_COUNT_MAX, &pStmt, 0);
  if( rc!=SQLITE_OK ) return rc;


  if( SQLITE_ROW==sqlite3_step(pStmt) ){
    *pnSegment = sqlite3_column_int(pStmt, 0);
    *pnMax = sqlite3_column_int(pStmt, 1);
  }
  return sqlite3_reset(pStmt);
}

/*
** This function is used after merging multiple segments into a single large
** segment to delete the old, now redundant, segment b-trees. Specifically,
................................................................................
**   2) deletes all %_segdir entries with level iLevel, or all %_segdir
**      entries regardless of level if (iLevel<0).
**
** SQLITE_OK is returned if successful, otherwise an SQLite error code.
*/
static int fts3DeleteSegdir(
  Fts3Table *p,                   /* Virtual table handle */

  int iLevel,                     /* Level of %_segdir entries to delete */
  Fts3SegReader **apSegment,      /* Array of SegReader objects */
  int nReader                     /* Size of array apSegment */
){
  int rc;                         /* Return Code */
  int i;                          /* Iterator variable */
  sqlite3_stmt *pDelete;          /* SQL statement to delete rows */
................................................................................
      rc = sqlite3_reset(pDelete);
    }
  }
  if( rc!=SQLITE_OK ){
    return rc;
  }

  if( iLevel==FTS3_SEGCURSOR_ALL ){
    fts3SqlExec(&rc, p, SQL_DELETE_ALL_SEGDIR, 0);
  }else if( iLevel==FTS3_SEGCURSOR_PENDING ){

    sqlite3Fts3PendingTermsClear(p);



  }else{
    assert( iLevel>=0 );
    rc = fts3SqlStmt(p, SQL_DELETE_SEGDIR_BY_LEVEL, &pDelete, 0);
    if( rc==SQLITE_OK ){
      sqlite3_bind_int(pDelete, 1, iLevel);




      sqlite3_step(pDelete);
      rc = sqlite3_reset(pDelete);
    }
  }

  return rc;
}

/*
** When this function is called, buffer *ppList (size *pnList bytes) contains 
** a position list that may (or may not) feature multiple columns. This
................................................................................
    p += sqlite3Fts3GetVarint32(p, &iCurrent);
  }

  *ppList = pList;
  *pnList = nList;
}

























SQLITE_PRIVATE int sqlite3Fts3SegReaderStart(
  Fts3Table *p,                   /* Virtual table handle */
  Fts3SegReaderCursor *pCsr,      /* Cursor object */
  Fts3SegFilter *pFilter          /* Restrictions on range of iteration */




){



















  int i;





  /* Initialize the cursor object */
  pCsr->pFilter = pFilter;













































  /* If the Fts3SegFilter defines a specific term (or term prefix) to search 
  ** for, then advance each segment iterator until it points to a term of
  ** equal or greater value than the specified term. This prevents many
  ** unnecessary merge/sort operations for the case where single segment
  ** b-tree leaf nodes contain more than one term.
  */
  for(i=0; i<pCsr->nSegment; i++){
    int nTerm = pFilter->nTerm;
    const char *zTerm = pFilter->zTerm;
    Fts3SegReader *pSeg = pCsr->apSegment[i];
    do {
      int rc = fts3SegReaderNext(p, pSeg);
      if( rc!=SQLITE_OK ) return rc;
    }while( zTerm && fts3SegReaderTermCmp(pSeg, zTerm, nTerm)<0 );
  }

















































  fts3SegReaderSort(
      pCsr->apSegment, pCsr->nSegment, pCsr->nSegment, fts3SegReaderCmp);




  return SQLITE_OK;
}

































SQLITE_PRIVATE int sqlite3Fts3SegReaderStep(
  Fts3Table *p,                   /* Virtual table handle */
  Fts3SegReaderCursor *pCsr       /* Cursor object */
){
  int rc = SQLITE_OK;

  int isIgnoreEmpty =  (pCsr->pFilter->flags & FTS3_SEGMENT_IGNORE_EMPTY);
  int isRequirePos =   (pCsr->pFilter->flags & FTS3_SEGMENT_REQUIRE_POS);
  int isColFilter =    (pCsr->pFilter->flags & FTS3_SEGMENT_COLUMN_FILTER);
  int isPrefix =       (pCsr->pFilter->flags & FTS3_SEGMENT_PREFIX);
  int isScan =         (pCsr->pFilter->flags & FTS3_SEGMENT_SCAN);

  Fts3SegReader **apSegment = pCsr->apSegment;
  int nSegment = pCsr->nSegment;
  Fts3SegFilter *pFilter = pCsr->pFilter;




  if( pCsr->nSegment==0 ) return SQLITE_OK;

  do {
    int nMerge;
    int i;
  
    /* Advance the first pCsr->nAdvance entries in the apSegment[] array
    ** forward. Then sort the list in order of current term again.  
    */
    for(i=0; i<pCsr->nAdvance; i++){
      rc = fts3SegReaderNext(p, apSegment[i]);
      if( rc!=SQLITE_OK ) return rc;
    }
    fts3SegReaderSort(apSegment, nSegment, pCsr->nAdvance, fts3SegReaderCmp);
    pCsr->nAdvance = 0;

    /* If all the seg-readers are at EOF, we're finished. return SQLITE_OK. */
    assert( rc==SQLITE_OK );
................................................................................
        && apSegment[nMerge]->nTerm==pCsr->nTerm 
        && 0==memcmp(pCsr->zTerm, apSegment[nMerge]->zTerm, pCsr->nTerm)
    ){
      nMerge++;
    }

    assert( isIgnoreEmpty || (isRequirePos && !isColFilter) );

    if( nMerge==1 && !isIgnoreEmpty ){


      pCsr->aDoclist = apSegment[0]->aDoclist;




      pCsr->nDoclist = apSegment[0]->nDoclist;

      rc = SQLITE_ROW;
    }else{
      int nDoclist = 0;           /* Size of doclist */
      sqlite3_int64 iPrev = 0;    /* Previous docid stored in doclist */

      /* The current term of the first nMerge entries in the array
      ** of Fts3SegReader objects is the same. The doclists must be merged
      ** and a single term returned with the merged doclist.
      */
      for(i=0; i<nMerge; i++){
        fts3SegReaderFirstDocid(apSegment[i]);
      }
      fts3SegReaderSort(apSegment, nMerge, nMerge, fts3SegReaderDoclistCmp);
      while( apSegment[0]->pOffsetList ){
        int j;                    /* Number of segments that share a docid */
        char *pList;
        int nList;
        int nByte;
        sqlite3_int64 iDocid = apSegment[0]->iDocid;
        fts3SegReaderNextDocid(apSegment[0], &pList, &nList);
        j = 1;
        while( j<nMerge
            && apSegment[j]->pOffsetList
            && apSegment[j]->iDocid==iDocid
        ){
          fts3SegReaderNextDocid(apSegment[j], 0, 0);
          j++;
        }

        if( isColFilter ){
          fts3ColumnFilter(pFilter->iCol, &pList, &nList);
        }

        if( !isIgnoreEmpty || nList>0 ){












          nByte = sqlite3Fts3VarintLen(iDocid-iPrev) + (isRequirePos?nList+1:0);
          if( nDoclist+nByte>pCsr->nBuffer ){
            char *aNew;
            pCsr->nBuffer = (nDoclist+nByte)*2;
            aNew = sqlite3_realloc(pCsr->aBuffer, pCsr->nBuffer);
            if( !aNew ){
              return SQLITE_NOMEM;
            }
            pCsr->aBuffer = aNew;
          }
          nDoclist += sqlite3Fts3PutVarint(
              &pCsr->aBuffer[nDoclist], iDocid-iPrev
          );
          iPrev = iDocid;
          if( isRequirePos ){
            memcpy(&pCsr->aBuffer[nDoclist], pList, nList);
            nDoclist += nList;
            pCsr->aBuffer[nDoclist++] = '\0';
          }
        }

        fts3SegReaderSort(apSegment, nMerge, j, fts3SegReaderDoclistCmp);
      }
      if( nDoclist>0 ){
        pCsr->aDoclist = pCsr->aBuffer;
        pCsr->nDoclist = nDoclist;
        rc = SQLITE_ROW;
      }
    }
    pCsr->nAdvance = nMerge;
  }while( rc==SQLITE_OK );

  return rc;
}


SQLITE_PRIVATE void sqlite3Fts3SegReaderFinish(
  Fts3SegReaderCursor *pCsr       /* Cursor object */
){
  if( pCsr ){
    int i;
    for(i=0; i<pCsr->nSegment; i++){
      sqlite3Fts3SegReaderFree(pCsr->apSegment[i]);
    }
    sqlite3_free(pCsr->apSegment);
................................................................................
** currently present in the database.
**
** If this function is called with iLevel<0, but there is only one
** segment in the database, SQLITE_DONE is returned immediately. 
** Otherwise, if successful, SQLITE_OK is returned. If an error occurs, 
** an SQLite error code is returned.
*/
static int fts3SegmentMerge(Fts3Table *p, int iLevel){
  int rc;                         /* Return code */
  int iIdx = 0;                   /* Index of new segment */
  int iNewLevel = 0;              /* Level to create new segment at */
  SegmentWriter *pWriter = 0;     /* Used to write the new, merged, segment */
  Fts3SegFilter filter;           /* Segment term filter condition */
  Fts3SegReaderCursor csr;        /* Cursor to iterate through level(s) */









  rc = sqlite3Fts3SegReaderCursor(p, iLevel, 0, 0, 1, 0, &csr);
  if( rc!=SQLITE_OK || csr.nSegment==0 ) goto finished;

  if( iLevel==FTS3_SEGCURSOR_ALL ){
    /* This call is to merge all segments in the database to a single
    ** segment. The level of the new segment is equal to the the numerically 
    ** greatest segment level currently present in the database. The index
    ** of the new segment is always 0.  */
    int nDummy; /* TODO: Remove this */
    if( csr.nSegment==1 ){
      rc = SQLITE_DONE;
      goto finished;
    }
    rc = fts3SegmentCountMax(p, &nDummy, &iNewLevel);





  }else{
    /* This call is to merge all segments at level iLevel. Find the next
    ** available segment index at level iLevel+1. The call to
    ** fts3AllocateSegdirIdx() will merge the segments at level iLevel+1 to 
    ** a single iLevel+2 segment if necessary.  */
    iNewLevel = iLevel+1;
    rc = fts3AllocateSegdirIdx(p, iNewLevel, &iIdx);
  }
  if( rc!=SQLITE_OK ) goto finished;
  assert( csr.nSegment>0 );
  assert( iNewLevel>=0 );


  memset(&filter, 0, sizeof(Fts3SegFilter));
  filter.flags = FTS3_SEGMENT_REQUIRE_POS;
  filter.flags |= (iLevel==FTS3_SEGCURSOR_ALL ? FTS3_SEGMENT_IGNORE_EMPTY : 0);

  rc = sqlite3Fts3SegReaderStart(p, &csr, &filter);
  while( SQLITE_OK==rc ){
    rc = sqlite3Fts3SegReaderStep(p, &csr);
    if( rc!=SQLITE_ROW ) break;
    rc = fts3SegWriterAdd(p, &pWriter, 1, 
        csr.zTerm, csr.nTerm, csr.aDoclist, csr.nDoclist);
  }
  if( rc!=SQLITE_OK ) goto finished;
  assert( pWriter );


  rc = fts3DeleteSegdir(p, iLevel, csr.apSegment, csr.nSegment);
  if( rc!=SQLITE_OK ) goto finished;

  rc = fts3SegWriterFlush(p, pWriter, iNewLevel, iIdx);

 finished:
  fts3SegWriterFree(pWriter);
  sqlite3Fts3SegReaderFinish(&csr);
  return rc;
}


/* 
** Flush the contents of pendingTerms to a level 0 segment.
*/
SQLITE_PRIVATE int sqlite3Fts3PendingTermsFlush(Fts3Table *p){



  return fts3SegmentMerge(p, FTS3_SEGCURSOR_PENDING);




}

/*
** Encode N integers as varints into a blob.
*/
static void fts3EncodeIntArray(
  int N,             /* The number of integers to encode */
................................................................................
    return;
  }
  sqlite3_bind_blob(pStmt, 1, pBlob, nBlob, SQLITE_STATIC);
  sqlite3_step(pStmt);
  *pRC = sqlite3_reset(pStmt);
  sqlite3_free(a);
}


















/*
** Handle a 'special' INSERT of the form:
**
**   "INSERT INTO tbl(tbl) VALUES(<expr>)"
**
** Argument pVal contains the result of <expr>. Currently the only 
................................................................................
  int rc;                         /* Return Code */
  const char *zVal = (const char *)sqlite3_value_text(pVal);
  int nVal = sqlite3_value_bytes(pVal);

  if( !zVal ){
    return SQLITE_NOMEM;
  }else if( nVal==8 && 0==sqlite3_strnicmp(zVal, "optimize", 8) ){
    rc = fts3SegmentMerge(p, FTS3_SEGCURSOR_ALL);
    if( rc==SQLITE_DONE ){
      rc = SQLITE_OK;
    }else{
      sqlite3Fts3PendingTermsClear(p);
    }
#ifdef SQLITE_TEST
  }else if( nVal>9 && 0==sqlite3_strnicmp(zVal, "nodesize=", 9) ){
    p->nNodeSize = atoi(&zVal[9]);
    rc = SQLITE_OK;
  }else if( nVal>11 && 0==sqlite3_strnicmp(zVal, "maxpending=", 9) ){
    p->nMaxPendingData = atoi(&zVal[11]);
    rc = SQLITE_OK;
#endif
  }else{
    rc = SQLITE_ERROR;
  }

  sqlite3Fts3SegmentsClose(p);
  return rc;
}

/*
** Return the deferred doclist associated with deferred token pDeferred.
** This function assumes that sqlite3Fts3CacheDeferredDoclists() has already
** been called to allocate and populate the doclist.
*/
SQLITE_PRIVATE char *sqlite3Fts3DeferredDoclist(Fts3DeferredToken *pDeferred, int *pnByte){
  if( pDeferred->pList ){
    *pnByte = pDeferred->pList->nData;
    return pDeferred->pList->aData;
  }
  *pnByte = 0;
  return 0;
}

/*
** Helper fucntion for FreeDeferredDoclists(). This function removes all
** references to deferred doclists from within the tree of Fts3Expr 
** structures headed by 
*/
static void fts3DeferredDoclistClear(Fts3Expr *pExpr){
  if( pExpr ){
    fts3DeferredDoclistClear(pExpr->pLeft);
    fts3DeferredDoclistClear(pExpr->pRight);
    if( pExpr->isLoaded ){
      sqlite3_free(pExpr->aDoclist);
      pExpr->isLoaded = 0;
      pExpr->aDoclist = 0;
      pExpr->nDoclist = 0;
      pExpr->pCurrent = 0;
      pExpr->iCurrent = 0;
    }
  }
}

/*
** Delete all cached deferred doclists. Deferred doclists are cached
** (allocated) by the sqlite3Fts3CacheDeferredDoclists() function.
*/
SQLITE_PRIVATE void sqlite3Fts3FreeDeferredDoclists(Fts3Cursor *pCsr){
  Fts3DeferredToken *pDef;
  for(pDef=pCsr->pDeferred; pDef; pDef=pDef->pNext){
    sqlite3_free(pDef->pList);
    pDef->pList = 0;
  }
  if( pCsr->pDeferred ){
    fts3DeferredDoclistClear(pCsr->pExpr);
  }
}

/*
** Free all entries in the pCsr->pDeffered list. Entries are added to 
** this list using sqlite3Fts3DeferToken().
*/
SQLITE_PRIVATE void sqlite3Fts3FreeDeferredTokens(Fts3Cursor *pCsr){
  Fts3DeferredToken *pDef;
  Fts3DeferredToken *pNext;
  for(pDef=pCsr->pDeferred; pDef; pDef=pNext){
    pNext = pDef->pNext;
    sqlite3_free(pDef->pList);
    sqlite3_free(pDef);
  }
  pCsr->pDeferred = 0;
}

/*
** Generate deferred-doclists for all tokens in the pCsr->pDeferred list
................................................................................
        rc = fts3PendingListAppendVarint(&pDef->pList, 0);
      }
    }
  }

  return rc;
}




























/*
** Add an entry for token pToken to the pCsr->pDeferred list.
*/
SQLITE_PRIVATE int sqlite3Fts3DeferToken(
  Fts3Cursor *pCsr,               /* Fts3 table cursor */
  Fts3PhraseToken *pToken,        /* Token to defer */
................................................................................

  assert( pToken->pDeferred==0 );
  pToken->pDeferred = pDeferred;

  return SQLITE_OK;
}




































/*
** This function does the work for the xUpdate method of FTS3 virtual
** tables.
*/
SQLITE_PRIVATE int sqlite3Fts3UpdateMethod(
  sqlite3_vtab *pVtab,            /* FTS3 vtab object */
................................................................................
  sqlite3_value **apVal,          /* Array of arguments */
  sqlite_int64 *pRowid            /* OUT: The affected (or effected) rowid */
){
  Fts3Table *p = (Fts3Table *)pVtab;
  int rc = SQLITE_OK;             /* Return Code */
  int isRemove = 0;               /* True for an UPDATE or DELETE */
  sqlite3_int64 iRemove = 0;      /* Rowid removed by UPDATE or DELETE */
  u32 *aSzIns;                    /* Sizes of inserted documents */
  u32 *aSzDel;                    /* Sizes of deleted documents */
  int nChng = 0;                  /* Net change in number of documents */


  assert( p->pSegments==0 );













  /* Allocate space to hold the change in document sizes */
  aSzIns = sqlite3_malloc( sizeof(aSzIns[0])*(p->nColumn+1)*2 );
  if( aSzIns==0 ) return SQLITE_NOMEM;



  aSzDel = &aSzIns[p->nColumn+1];
  memset(aSzIns, 0, sizeof(aSzIns[0])*(p->nColumn+1)*2);

  /* If this is a DELETE or UPDATE operation, remove the old record. */

















  if( sqlite3_value_type(apVal[0])!=SQLITE_NULL ){
    int isEmpty = 0;
    rc = fts3IsEmpty(p, apVal, &isEmpty);
    if( rc==SQLITE_OK ){
      if( isEmpty ){
        /* Deleting this row means the whole table is empty. In this case
        ** delete the contents of all three tables and throw away any
        ** data in the pendingTerms hash table.


















        */

        rc = fts3DeleteAll(p);
      }else{

        isRemove = 1;
        iRemove = sqlite3_value_int64(apVal[0]);
        rc = fts3PendingTermsDocid(p, iRemove);
        fts3DeleteTerms(&rc, p, apVal, aSzDel);
        fts3SqlExec(&rc, p, SQL_DELETE_CONTENT, apVal);
        if( p->bHasDocsize ){
          fts3SqlExec(&rc, p, SQL_DELETE_DOCSIZE, apVal);
        }
        nChng--;
      }
    }





  }else if( sqlite3_value_type(apVal[p->nColumn+2])!=SQLITE_NULL ){
    sqlite3_free(aSzIns);
    return fts3SpecialInsert(p, apVal[p->nColumn+2]);




  }
  
  /* If this is an INSERT or UPDATE operation, insert the new record. */
  if( nArg>1 && rc==SQLITE_OK ){

    rc = fts3InsertData(p, apVal, pRowid);


    if( rc==SQLITE_OK && (!isRemove || *pRowid!=iRemove) ){
      rc = fts3PendingTermsDocid(p, *pRowid);
    }
    if( rc==SQLITE_OK ){
      rc = fts3InsertTerms(p, apVal, aSzIns);
    }
    if( p->bHasDocsize ){
................................................................................
    nChng++;
  }

  if( p->bHasStat ){
    fts3UpdateDocTotals(&rc, p, aSzIns, aSzDel, nChng);
  }


  sqlite3_free(aSzIns);
  sqlite3Fts3SegmentsClose(p);
  return rc;
}

/* 
** Flush any data in the pending-terms hash table to disk. If successful,
................................................................................
** merge all segments in the database (including the new segment, if 
** there was any data to flush) into a single segment. 
*/
SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *p){
  int rc;
  rc = sqlite3_exec(p->db, "SAVEPOINT fts3", 0, 0, 0);
  if( rc==SQLITE_OK ){
    rc = fts3SegmentMerge(p, FTS3_SEGCURSOR_ALL);
    if( rc==SQLITE_OK ){
      rc = sqlite3_exec(p->db, "RELEASE fts3", 0, 0, 0);
      if( rc==SQLITE_OK ){
        sqlite3Fts3PendingTermsClear(p);
      }
    }else{
      sqlite3_exec(p->db, "ROLLBACK TO fts3", 0, 0, 0);
      sqlite3_exec(p->db, "RELEASE fts3", 0, 0, 0);
    }
  }
  sqlite3Fts3SegmentsClose(p);
  return rc;
................................................................................
  int (*x)(Fts3Expr*,int,void*),  /* Callback function to invoke for phrases */
  void *pCtx                      /* Second argument to pass to callback */
){
  int iPhrase = 0;                /* Variable used as the phrase counter */
  return fts3ExprIterate2(pExpr, &iPhrase, x, pCtx);
}

/*
** The argument to this function is always a phrase node. Its doclist 
** (Fts3Expr.aDoclist[]) and the doclists associated with all phrase nodes
** to the left of this one in the query tree have already been loaded.
**
** If this phrase node is part of a series of phrase nodes joined by 
** NEAR operators (and is not the left-most of said series), then elements are
** removed from the phrases doclist consistent with the NEAR restriction. If
** required, elements may be removed from the doclists of phrases to the
** left of this one that are part of the same series of NEAR operator 
** connected phrases.
**
** If an OOM error occurs, SQLITE_NOMEM is returned. Otherwise, SQLITE_OK.
*/
static int fts3ExprNearTrim(Fts3Expr *pExpr){
  int rc = SQLITE_OK;
  Fts3Expr *pParent = pExpr->pParent;

  assert( pExpr->eType==FTSQUERY_PHRASE );
  while( rc==SQLITE_OK
   && pParent 
   && pParent->eType==FTSQUERY_NEAR 
   && pParent->pRight==pExpr 
  ){
    /* This expression (pExpr) is the right-hand-side of a NEAR operator. 
    ** Find the expression to the left of the same operator.
    */
    int nNear = pParent->nNear;
    Fts3Expr *pLeft = pParent->pLeft;

    if( pLeft->eType!=FTSQUERY_PHRASE ){
      assert( pLeft->eType==FTSQUERY_NEAR );
      assert( pLeft->pRight->eType==FTSQUERY_PHRASE );
      pLeft = pLeft->pRight;
    }

    rc = sqlite3Fts3ExprNearTrim(pLeft, pExpr, nNear);

    pExpr = pLeft;
    pParent = pExpr->pParent;
  }

  return rc;
}

/*
** This is an fts3ExprIterate() callback used while loading the doclists
** for each phrase into Fts3Expr.aDoclist[]/nDoclist. See also
** fts3ExprLoadDoclists().
*/
static int fts3ExprLoadDoclistsCb(Fts3Expr *pExpr, int iPhrase, void *ctx){
  int rc = SQLITE_OK;

  LoadDoclistCtx *p = (LoadDoclistCtx *)ctx;

  UNUSED_PARAMETER(iPhrase);

  p->nPhrase++;
  p->nToken += pExpr->pPhrase->nToken;

  if( pExpr->isLoaded==0 ){
    rc = sqlite3Fts3ExprLoadDoclist(p->pCsr, pExpr);
    pExpr->isLoaded = 1;
    if( rc==SQLITE_OK ){
      rc = fts3ExprNearTrim(pExpr);
    }
  }

  return rc;
}

/*
** Load the doclists for each phrase in the query associated with FTS3 cursor
** pCsr. 
................................................................................
static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){
  SnippetIter *p = (SnippetIter *)ctx;
  SnippetPhrase *pPhrase = &p->aPhrase[iPhrase];
  char *pCsr;

  pPhrase->nToken = pExpr->pPhrase->nToken;

  pCsr = sqlite3Fts3FindPositions(pExpr, p->pCsr->iPrevId, p->iCol);
  if( pCsr ){
    int iFirst = 0;
    pPhrase->pList = pCsr;
    fts3GetDeltaPosition(&pCsr, &iFirst);
    pPhrase->pHead = pCsr;
    pPhrase->pTail = pCsr;
    pPhrase->iHead = iFirst;
................................................................................
    if( !c ) nEntry++;
  }

  *ppCollist = pEnd;
  return nEntry;
}

static void fts3LoadColumnlistCounts(char **pp, u32 *aOut, int isGlobal){
  char *pCsr = *pp;
  while( *pCsr ){
    int nHit;
    sqlite3_int64 iCol = 0;
    if( *pCsr==0x01 ){
      pCsr++;
      pCsr += sqlite3Fts3GetVarint(pCsr, &iCol);
    }
    nHit = fts3ColumnlistCount(&pCsr);
    assert( nHit>0 );
    if( isGlobal ){
      aOut[iCol*3+1]++;
    }
    aOut[iCol*3] += nHit;
  }
  pCsr++;
  *pp = pCsr;
}

/*
** fts3ExprIterate() callback used to collect the "global" matchinfo stats
** for a single query. 
**
** fts3ExprIterate() callback to load the 'global' elements of a
** FTS3_MATCHINFO_HITS matchinfo array. The global stats are those elements 
** of the matchinfo array that are constant for all rows returned by the 
................................................................................
*/
static int fts3ExprGlobalHitsCb(
  Fts3Expr *pExpr,                /* Phrase expression node */
  int iPhrase,                    /* Phrase number (numbered from zero) */
  void *pCtx                      /* Pointer to MatchInfo structure */
){
  MatchInfo *p = (MatchInfo *)pCtx;
  Fts3Cursor *pCsr = p->pCursor;
  char *pIter;
  char *pEnd;
  char *pFree = 0;
  u32 *aOut = &p->aMatchinfo[3*iPhrase*p->nCol];

  assert( pExpr->isLoaded );
  assert( pExpr->eType==FTSQUERY_PHRASE );

  if( pCsr->pDeferred ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;
    int ii;
    for(ii=0; ii<pPhrase->nToken; ii++){
      if( pPhrase->aToken[ii].bFulltext ) break;
    }
    if( ii<pPhrase->nToken ){
      int nFree = 0;
      int rc = sqlite3Fts3ExprLoadFtDoclist(pCsr, pExpr, &pFree, &nFree);
      if( rc!=SQLITE_OK ) return rc;
      pIter = pFree;
      pEnd = &pFree[nFree];
    }else{
      int iCol;                   /* Column index */
      for(iCol=0; iCol<p->nCol; iCol++){
        aOut[iCol*3 + 1] = (u32)p->nDoc;
        aOut[iCol*3 + 2] = (u32)p->nDoc;
      }
      return SQLITE_OK;
    }
  }else{
    pIter = pExpr->aDoclist;
    pEnd = &pExpr->aDoclist[pExpr->nDoclist];
  }

  /* Fill in the global hit count matrix row for this phrase. */
  while( pIter<pEnd ){
    while( *pIter++ & 0x80 );      /* Skip past docid. */
    fts3LoadColumnlistCounts(&pIter, &aOut[1], 1);
  }

  sqlite3_free(pFree);
  return SQLITE_OK;

}

/*
** fts3ExprIterate() callback used to collect the "local" part of the
** FTS3_MATCHINFO_HITS array. The local stats are those elements of the 
** array that are different for each row returned by the query.
*/
................................................................................
  int iPhrase,                    /* Phrase number */
  void *pCtx                      /* Pointer to MatchInfo structure */
){
  MatchInfo *p = (MatchInfo *)pCtx;
  int iStart = iPhrase * p->nCol * 3;
  int i;

  for(i=0; i<p->nCol; i++) p->aMatchinfo[iStart+i*3] = 0;

  if( pExpr->aDoclist ){
    char *pCsr;

    pCsr = sqlite3Fts3FindPositions(pExpr, p->pCursor->iPrevId, -1);
    if( pCsr ){
      fts3LoadColumnlistCounts(&pCsr, &p->aMatchinfo[iStart], 0);
    }
  }

  return SQLITE_OK;
}

static int fts3MatchinfoCheck(
................................................................................
    if( rc!=SQLITE_OK ) return rc;
  }
  pStmt = *ppStmt;
  assert( sqlite3_data_count(pStmt)==1 );

  a = sqlite3_column_blob(pStmt, 0);
  a += sqlite3Fts3GetVarint(a, &nDoc);
  if( nDoc==0 ) return SQLITE_CORRUPT;
  *pnDoc = (u32)nDoc;

  if( paLen ) *paLen = a;
  return SQLITE_OK;
}

/*
................................................................................
** iterating through a multi-column position-list corresponding to the
** hits for a single phrase on a single row in order to calculate the
** values for a matchinfo() FTS3_MATCHINFO_LCS request.
*/
typedef struct LcsIterator LcsIterator;
struct LcsIterator {
  Fts3Expr *pExpr;                /* Pointer to phrase expression */
  char *pRead;                    /* Cursor used to iterate through aDoclist */
  int iPosOffset;                 /* Tokens count up to end of this phrase */
  int iCol;                       /* Current column number */

  int iPos;                       /* Current position */
};

/* 
** If LcsIterator.iCol is set to the following value, the iterator has
** finished iterating through all offsets for all columns.
*/
................................................................................
*/
static int fts3LcsIteratorAdvance(LcsIterator *pIter){
  char *pRead = pIter->pRead;
  sqlite3_int64 iRead;
  int rc = 0;

  pRead += sqlite3Fts3GetVarint(pRead, &iRead);
  if( iRead==0 ){
    pIter->iCol = LCS_ITERATOR_FINISHED;
    rc = 1;
  }else{
    if( iRead==1 ){
      pRead += sqlite3Fts3GetVarint(pRead, &iRead);
      pIter->iCol = (int)iRead;
      pIter->iPos = pIter->iPosOffset;
      pRead += sqlite3Fts3GetVarint(pRead, &iRead);
      rc = 1;
    }
    pIter->iPos += (int)(iRead-2);
  }

  pIter->pRead = pRead;
  return rc;
}
  
................................................................................
  /* Allocate and populate the array of LcsIterator objects. The array
  ** contains one element for each matchable phrase in the query.
  **/
  aIter = sqlite3_malloc(sizeof(LcsIterator) * pCsr->nPhrase);
  if( !aIter ) return SQLITE_NOMEM;
  memset(aIter, 0, sizeof(LcsIterator) * pCsr->nPhrase);
  (void)fts3ExprIterate(pCsr->pExpr, fts3MatchinfoLcsCb, (void*)aIter);

  for(i=0; i<pInfo->nPhrase; i++){
    LcsIterator *pIter = &aIter[i];
    nToken -= pIter->pExpr->pPhrase->nToken;
    pIter->iPosOffset = nToken;
    pIter->pRead = sqlite3Fts3FindPositions(pIter->pExpr, pCsr->iPrevId, -1);
    if( pIter->pRead ){
      pIter->iPos = pIter->iPosOffset;
      fts3LcsIteratorAdvance(&aIter[i]);
    }else{
      pIter->iCol = LCS_ITERATOR_FINISHED;
    }
  }

  for(iCol=0; iCol<pInfo->nCol; iCol++){
    int nLcs = 0;                 /* LCS value for this column */
    int nLive = 0;                /* Number of iterators in aIter not at EOF */

    /* Loop through the iterators in aIter[]. Set nLive to the number of
    ** iterators that point to a position-list corresponding to column iCol.
    */
    for(i=0; i<pInfo->nPhrase; i++){
      assert( aIter[i].iCol>=iCol );
      if( aIter[i].iCol==iCol ) nLive++;
    }

    /* The following loop runs until all iterators in aIter[] have finished
    ** iterating through positions in column iCol. Exactly one of the 
    ** iterators is advanced each time the body of the loop is run.
    */
    while( nLive>0 ){
      LcsIterator *pAdv = 0;      /* The iterator to advance by one position */
      int nThisLcs = 0;           /* LCS for the current iterator positions */

      for(i=0; i<pInfo->nPhrase; i++){
        LcsIterator *pIter = &aIter[i];
        if( iCol!=pIter->iCol ){  
          /* This iterator is already at EOF for this column. */
          nThisLcs = 0;
        }else{
          if( pAdv==0 || pIter->iPos<pAdv->iPos ){
            pAdv = pIter;
          }
          if( nThisLcs==0 || pIter->iPos==pIter[-1].iPos ){
................................................................................

      case FTS3_MATCHINFO_NCOL:
        if( bGlobal ) pInfo->aMatchinfo[0] = pInfo->nCol;
        break;
        
      case FTS3_MATCHINFO_NDOC:
        if( bGlobal ){
          sqlite3_int64 nDoc;
          rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &nDoc, 0);
          pInfo->aMatchinfo[0] = (u32)nDoc;
        }
        break;

      case FTS3_MATCHINFO_AVGLENGTH: 
        if( bGlobal ){
................................................................................
struct TermOffset {
  char *pList;                    /* Position-list */
  int iPos;                       /* Position just read from pList */
  int iOff;                       /* Offset of this term from read positions */
};

struct TermOffsetCtx {

  int iCol;                       /* Column of table to populate aTerm for */
  int iTerm;
  sqlite3_int64 iDocid;
  TermOffset *aTerm;
};

/*
................................................................................
  TermOffsetCtx *p = (TermOffsetCtx *)ctx;
  int nTerm;                      /* Number of tokens in phrase */
  int iTerm;                      /* For looping through nTerm phrase terms */
  char *pList;                    /* Pointer to position list for phrase */
  int iPos = 0;                   /* First position in position-list */

  UNUSED_PARAMETER(iPhrase);
  pList = sqlite3Fts3FindPositions(pExpr, p->iDocid, p->iCol);
  nTerm = pExpr->pPhrase->nToken;
  if( pList ){
    fts3GetDeltaPosition(&pList, &iPos);
    assert( iPos>=0 );
  }

  for(iTerm=0; iTerm<nTerm; iTerm++){
................................................................................
  /* Allocate the array of TermOffset iterators. */
  sCtx.aTerm = (TermOffset *)sqlite3_malloc(sizeof(TermOffset)*nToken);
  if( 0==sCtx.aTerm ){
    rc = SQLITE_NOMEM;
    goto offsets_out;
  }
  sCtx.iDocid = pCsr->iPrevId;


  /* Loop through the table columns, appending offset information to 
  ** string-buffer res for each column.
  */
  for(iCol=0; iCol<pTab->nColumn; iCol++){
    sqlite3_tokenizer_cursor *pC; /* Tokenizer cursor */
    int iStart;
................................................................................
        if( rc==SQLITE_OK ){
          char aBuffer[64];
          sqlite3_snprintf(sizeof(aBuffer), aBuffer, 
              "%d %d %d %d ", iCol, pTerm-sCtx.aTerm, iStart, iEnd-iStart
          );
          rc = fts3StringAppend(&res, aBuffer, -1);
        }else if( rc==SQLITE_DONE ){
          rc = SQLITE_CORRUPT;
        }
      }
    }
    if( rc==SQLITE_DONE ){
      rc = SQLITE_OK;
    }

................................................................................
  ** the root node. A height of one means the children of the root node
  ** are the leaves, and so on. If the depth as specified on the root node
  ** is greater than RTREE_MAX_DEPTH, the r-tree structure must be corrupt.
  */
  if( pNode && iNode==1 ){
    pRtree->iDepth = readInt16(pNode->zData);
    if( pRtree->iDepth>RTREE_MAX_DEPTH ){
      rc = SQLITE_CORRUPT;
    }
  }

  /* If no error has occurred so far, check if the "number of entries"
  ** field on the node is too large. If so, set the return code to 
  ** SQLITE_CORRUPT.
  */
  if( pNode && rc==SQLITE_OK ){
    if( NCELL(pNode)>((pRtree->iNodeSize-4)/pRtree->nBytesPerCell) ){
      rc = SQLITE_CORRUPT;
    }
  }

  if( rc==SQLITE_OK ){
    if( pNode!=0 ){
      nodeHashInsert(pRtree, pNode);
    }else{
      rc = SQLITE_CORRUPT;
    }
    *ppNode = pNode;
  }else{
    sqlite3_free(pNode);
    *ppNode = 0;
  }

................................................................................
  int nCell = NCELL(pNode);
  for(ii=0; ii<nCell; ii++){
    if( nodeGetRowid(pRtree, pNode, ii)==iRowid ){
      *piIndex = ii;
      return SQLITE_OK;
    }
  }
  return SQLITE_CORRUPT;
}

/*
** Return the index of the cell containing a pointer to node pNode
** in its parent. If pNode is the root node, return -1.
*/
static int nodeParentIndex(Rtree *pRtree, RtreeNode *pNode, int *piIndex){
................................................................................
/*
** Return the N-dimensional volumn of the cell stored in *p.
*/
static float cellArea(Rtree *pRtree, RtreeCell *p){
  float area = 1.0;
  int ii;
  for(ii=0; ii<(pRtree->nDim*2); ii+=2){
    area = area * (DCOORD(p->aCoord[ii+1]) - DCOORD(p->aCoord[ii]));
  }
  return area;
}

/*
** Return the margin length of cell p. The margin length is the sum
** of the objects size in each dimension.
*/
static float cellMargin(Rtree *pRtree, RtreeCell *p){
  float margin = 0.0;
  int ii;
  for(ii=0; ii<(pRtree->nDim*2); ii+=2){
    margin += (DCOORD(p->aCoord[ii+1]) - DCOORD(p->aCoord[ii]));
  }
  return margin;
}

/*
** Store the union of cells p1 and p2 in p1.
*/
................................................................................
        x1 = MAX(DCOORD(p->aCoord[jj]), DCOORD(aCell[ii].aCoord[jj]));
        x2 = MIN(DCOORD(p->aCoord[jj+1]), DCOORD(aCell[ii].aCoord[jj+1]));

        if( x2<x1 ){
          o = 0.0;
          break;
        }else{
          o = o * (x2-x1);
        }
      }
      overlap += o;
    }
  }
  return overlap;
}
................................................................................
  Rtree *pRtree, 
  RtreeCell *p, 
  RtreeCell *pInsert, 
  RtreeCell *aCell, 
  int nCell, 
  int iExclude
){
  float before;
  float after;
  before = cellOverlap(pRtree, p, aCell, nCell, iExclude);
  cellUnion(pRtree, p, pInsert);
  after = cellOverlap(pRtree, p, aCell, nCell, iExclude);
  return after-before;
}
#endif


/*
** This function implements the ChooseLeaf algorithm from Gutman[84].
** ChooseSubTree in r*tree terminology.
................................................................................
  int rc;
  int ii;
  RtreeNode *pNode;
  rc = nodeAcquire(pRtree, 1, 0, &pNode);

  for(ii=0; rc==SQLITE_OK && ii<(pRtree->iDepth-iHeight); ii++){
    int iCell;
    sqlite3_int64 iBest;

    float fMinGrowth;
    float fMinArea;
    float fMinOverlap;

    int nCell = NCELL(pNode);
    RtreeCell cell;
    RtreeNode *pChild;

    RtreeCell *aCell = 0;

................................................................................
  RtreeNode *p = pNode;
  while( p->pParent ){
    RtreeNode *pParent = p->pParent;
    RtreeCell cell;
    int iCell;

    if( nodeParentIndex(pRtree, p, &iCell) ){
      return SQLITE_CORRUPT;
    }

    nodeGetCell(pRtree, pParent, iCell, &cell);
    if( !cellContains(pRtree, &cell, pCell) ){
      cellUnion(pRtree, &cell, pCell);
      nodeOverwriteCell(pRtree, pParent, &cell, iCell);
    }
................................................................................
  RtreeCell *pBboxLeft,
  RtreeCell *pBboxRight
){
  int **aaSorted;
  int *aSpare;
  int ii;

  int iBestDim;
  int iBestSplit;
  float fBestMargin;

  int nByte = (pRtree->nDim+1)*(sizeof(int*)+nCell*sizeof(int));

  aaSorted = (int **)sqlite3_malloc(nByte);
  if( !aaSorted ){
    return SQLITE_NOMEM;
  }
................................................................................
      aaSorted[ii][jj] = jj;
    }
    SortByDimension(pRtree, aaSorted[ii], nCell, ii, aCell, aSpare);
  }

  for(ii=0; ii<pRtree->nDim; ii++){
    float margin = 0.0;
    float fBestOverlap;
    float fBestArea;
    int iBestLeft;
    int nLeft;

    for(
      nLeft=RTREE_MINCELLS(pRtree); 
      nLeft<=(nCell-RTREE_MINCELLS(pRtree)); 
      nLeft++
    ){
................................................................................
      for(pTest=pLeaf; pTest && pTest->iNode!=iNode; pTest=pTest->pParent);
      if( !pTest ){
        rc2 = nodeAcquire(pRtree, iNode, 0, &pChild->pParent);
      }
    }
    rc = sqlite3_reset(pRtree->pReadParent);
    if( rc==SQLITE_OK ) rc = rc2;
    if( rc==SQLITE_OK && !pChild->pParent ) rc = SQLITE_CORRUPT;
    pChild = pChild->pParent;
  }
  return rc;
}

static int deleteCell(Rtree *, RtreeNode *, int, int);

static int removeNode(Rtree *pRtree, RtreeNode *pNode, int iHeight){
  int rc;
  int rc2;
  RtreeNode *pParent;
  int iCell;

  assert( pNode->nRef==1 );

  /* Remove the entry in the parent cell. */
  rc = nodeParentIndex(pRtree, pNode, &iCell);
  if( rc==SQLITE_OK ){
................................................................................
    if( ii==(nCell-1) ){
      memcpy(&aCell[ii], pCell, sizeof(RtreeCell));
    }else{
      nodeGetCell(pRtree, pNode, ii, &aCell[ii]);
    }
    aOrder[ii] = ii;
    for(iDim=0; iDim<pRtree->nDim; iDim++){
      aCenterCoord[iDim] += DCOORD(aCell[ii].aCoord[iDim*2]);
      aCenterCoord[iDim] += DCOORD(aCell[ii].aCoord[iDim*2+1]);
    }
  }
  for(iDim=0; iDim<pRtree->nDim; iDim++){
    aCenterCoord[iDim] = aCenterCoord[iDim]/((float)nCell*2.0);
  }

  for(ii=0; ii<nCell; ii++){
    aDistance[ii] = 0.0;
    for(iDim=0; iDim<pRtree->nDim; iDim++){
      float coord = DCOORD(aCell[ii].aCoord[iDim*2+1]) - 
          DCOORD(aCell[ii].aCoord[iDim*2]);
      aDistance[ii] += (coord-aCenterCoord[iDim])*(coord-aCenterCoord[iDim]);
    }
  }

  SortByDistance(aOrder, nCell, aDistance, aSpare);
  nodeZero(pRtree, pNode);

................................................................................
    RtreeNode *pInsert;
    RtreeCell cell;
    nodeGetCell(pRtree, pNode, ii, &cell);

    /* Find a node to store this cell in. pNode->iNode currently contains
    ** the height of the sub-tree headed by the cell.
    */
    rc = ChooseLeaf(pRtree, &cell, pNode->iNode, &pInsert);
    if( rc==SQLITE_OK ){
      int rc2;
      rc = rtreeInsertCell(pRtree, pInsert, &cell, pNode->iNode);
      rc2 = nodeRelease(pRtree, pInsert);
      if( rc==SQLITE_OK ){
        rc = rc2;
      }
    }
  }
  return rc;
................................................................................
  sqlite3_bind_null(pRtree->pWriteRowid, 1);
  sqlite3_bind_null(pRtree->pWriteRowid, 2);
  sqlite3_step(pRtree->pWriteRowid);
  rc = sqlite3_reset(pRtree->pWriteRowid);
  *piRowid = sqlite3_last_insert_rowid(pRtree->db);
  return rc;
}





















































































/*
** The xUpdate method for rtree module virtual tables.
*/
static int rtreeUpdate(
  sqlite3_vtab *pVtab, 
  int nData, 
  sqlite3_value **azData, 
  sqlite_int64 *pRowid
){
  Rtree *pRtree = (Rtree *)pVtab;
  int rc = SQLITE_OK;



  rtreeReference(pRtree);

  assert(nData>=1);

  /* If azData[0] is not an SQL NULL value, it is the rowid of a
  ** record to delete from the r-tree table. The following block does
  ** just that.
  */
  if( sqlite3_value_type(azData[0])!=SQLITE_NULL ){
    i64 iDelete;                /* The rowid to delete */
    RtreeNode *pLeaf;           /* Leaf node containing record iDelete */
    int iCell;                  /* Index of iDelete cell in pLeaf */
    RtreeNode *pRoot;

    /* Obtain a reference to the root node to initialise Rtree.iDepth */
    rc = nodeAcquire(pRtree, 1, 0, &pRoot);

    /* Obtain a reference to the leaf node that contains the entry 
    ** about to be deleted. 
    */
    if( rc==SQLITE_OK ){
      iDelete = sqlite3_value_int64(azData[0]);
      rc = findLeafNode(pRtree, iDelete, &pLeaf);
    }

    /* Delete the cell in question from the leaf node. */
    if( rc==SQLITE_OK ){
      int rc2;
      rc = nodeRowidIndex(pRtree, pLeaf, iDelete, &iCell);
      if( rc==SQLITE_OK ){
        rc = deleteCell(pRtree, pLeaf, iCell, 0);
      }
      rc2 = nodeRelease(pRtree, pLeaf);
      if( rc==SQLITE_OK ){
        rc = rc2;
      }
    }

    /* Delete the corresponding entry in the <rtree>_rowid table. */
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pRtree->pDeleteRowid, 1, iDelete);
      sqlite3_step(pRtree->pDeleteRowid);
      rc = sqlite3_reset(pRtree->pDeleteRowid);
    }

    /* Check if the root node now has exactly one child. If so, remove
    ** it, schedule the contents of the child for reinsertion and 
    ** reduce the tree height by one.
    **
    ** This is equivalent to copying the contents of the child into
    ** the root node (the operation that Gutman's paper says to perform 
    ** in this scenario).




    */
    if( rc==SQLITE_OK && pRtree->iDepth>0 && NCELL(pRoot)==1 ){
      int rc2;
      RtreeNode *pChild;
      i64 iChild = nodeGetRowid(pRtree, pRoot, 0);
      rc = nodeAcquire(pRtree, iChild, pRoot, &pChild);
      if( rc==SQLITE_OK ){
        rc = removeNode(pRtree, pChild, pRtree->iDepth-1);
      }
      rc2 = nodeRelease(pRtree, pChild);
      if( rc==SQLITE_OK ) rc = rc2;
      if( rc==SQLITE_OK ){
        pRtree->iDepth--;
        writeInt16(pRoot->zData, pRtree->iDepth);
        pRoot->isDirty = 1;
      }
    }

    /* Re-insert the contents of any underfull nodes removed from the tree. */
    for(pLeaf=pRtree->pDeleted; pLeaf; pLeaf=pRtree->pDeleted){
      if( rc==SQLITE_OK ){
        rc = reinsertNodeContent(pRtree, pLeaf);
      }
      pRtree->pDeleted = pLeaf->pNext;
      sqlite3_free(pLeaf);
    }

    /* Release the reference to the root node. */
    if( rc==SQLITE_OK ){
      rc = nodeRelease(pRtree, pRoot);
    }else{
      nodeRelease(pRtree, pRoot);
    }
  }

  /* If the azData[] array contains more than one element, elements
  ** (azData[2]..azData[argc-1]) contain a new record to insert into
  ** the r-tree structure.
  */
  if( rc==SQLITE_OK && nData>1 ){
    /* Insert a new record into the r-tree */
    RtreeCell cell;
    int ii;
    RtreeNode *pLeaf;

    /* Populate the cell.aCoord[] array. The first coordinate is azData[3]. */
    assert( nData==(pRtree->nDim*2 + 3) );
    if( pRtree->eCoordType==RTREE_COORD_REAL32 ){
      for(ii=0; ii<(pRtree->nDim*2); ii+=2){
        cell.aCoord[ii].f = (float)sqlite3_value_double(azData[ii+3]);
        cell.aCoord[ii+1].f = (float)sqlite3_value_double(azData[ii+4]);
................................................................................
        if( cell.aCoord[ii].i>cell.aCoord[ii+1].i ){
          rc = SQLITE_CONSTRAINT;
          goto constraint;
        }
      }
    }

    /* Figure out the rowid of the new row. */

    if( sqlite3_value_type(azData[2])==SQLITE_NULL ){
      rc = newRowid(pRtree, &cell.iRowid);
    }else{
      cell.iRowid = sqlite3_value_int64(azData[2]);




      sqlite3_bind_int64(pRtree->pReadRowid, 1, cell.iRowid);
      if( SQLITE_ROW==sqlite3_step(pRtree->pReadRowid) ){
        sqlite3_reset(pRtree->pReadRowid);




        rc = SQLITE_CONSTRAINT;
        goto constraint;
      }
      rc = sqlite3_reset(pRtree->pReadRowid);

























    }
    *pRowid = cell.iRowid;

    if( rc==SQLITE_OK ){
      rc = ChooseLeaf(pRtree, &cell, 0, &pLeaf);
    }
    if( rc==SQLITE_OK ){
................................................................................
    rc = sqlite3_exec(pRtree->db, zSql, 0, 0, 0);
    sqlite3_free(zSql);
  }
  return rc;
}

static sqlite3_module rtreeModule = {
  0,                         /* iVersion */
  rtreeCreate,                /* xCreate - create a table */
  rtreeConnect,               /* xConnect - connect to an existing table */
  rtreeBestIndex,             /* xBestIndex - Determine search strategy */
  rtreeDisconnect,            /* xDisconnect - Disconnect from a table */
  rtreeDestroy,               /* xDestroy - Drop a table */
  rtreeOpen,                  /* xOpen - open a cursor */
  rtreeClose,                 /* xClose - close a cursor */
................................................................................
  rtreeRowid,                 /* xRowid - read data */
  rtreeUpdate,                /* xUpdate - write data */
  0,                          /* xBegin - begin transaction */
  0,                          /* xSync - sync transaction */
  0,                          /* xCommit - commit transaction */
  0,                          /* xRollback - rollback transaction */
  0,                          /* xFindFunction - function overloading */
  rtreeRename                 /* xRename - rename the table */



};

static int rtreeSqlInit(
  Rtree *pRtree, 
  sqlite3 *db, 
  const char *zDb, 
  const char *zPrefix, 
................................................................................
  sqlite3 *db,                    /* Database handle */
  Rtree *pRtree,                  /* Rtree handle */
  int isCreate                    /* True for xCreate, false for xConnect */
){
  int rc;
  char *zSql;
  if( isCreate ){
    int iPageSize;
    zSql = sqlite3_mprintf("PRAGMA %Q.page_size", pRtree->zDb);
    rc = getIntFromStmt(db, zSql, &iPageSize);
    if( rc==SQLITE_OK ){
      pRtree->iNodeSize = iPageSize-64;
      if( (4+pRtree->nBytesPerCell*RTREE_MAXCELLS)<pRtree->iNodeSize ){
        pRtree->iNodeSize = 4+pRtree->nBytesPerCell*RTREE_MAXCELLS;
      }
................................................................................
  };

  int iErr = (argc<6) ? 2 : argc>(RTREE_MAX_DIMENSIONS*2+4) ? 3 : argc%2;
  if( aErrMsg[iErr] ){
    *pzErr = sqlite3_mprintf("%s", aErrMsg[iErr]);
    return SQLITE_ERROR;
  }



  /* Allocate the sqlite3_vtab structure */
  nDb = strlen(argv[1]);
  nName = strlen(argv[2]);
  pRtree = (Rtree *)sqlite3_malloc(sizeof(Rtree)+nDb+nName+2);
  if( !pRtree ){
    return SQLITE_NOMEM;
................................................................................
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file implements a tokenizer for fts3 based on the ICU library.
** 
** $Id: fts3_icu.c,v 1.3 2008/09/01 18:34:20 danielk1977 Exp $
*/

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3)
#ifdef SQLITE_ENABLE_ICU


#include <unicode/ubrk.h>
#include <unicode/utf16.h>




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1
2
3
4
5
6
7
8
9
10
...
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
...
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
...
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
...
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013

1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
....
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
....
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
....
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
....
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
....
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
....
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
....
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
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1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
....
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
....
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
....
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
....
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
....
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
....
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
....
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
....
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107


2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
....
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
....
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
....
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
....
2939
2940
2941
2942
2943
2944
2945
2946
2947

2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018



3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
....
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
....
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
....
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
....
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
....
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
....
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
....
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
....
6154
6155
6156
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
6188
6189
6190
6191
6192
6193
6194
6195
6196
6197
6198
6199
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
....
6252
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
....
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
6317
6318
6319
6320
6321
6322
6323
6324
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335
6336
....
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
6354
6355
6356
6357
6358
6359
6360
6361
6362
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372
6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
....
6436
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447
6448
6449
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459
6460
6461
....
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471
6472
6473
6474
6475
6476
....
6487
6488
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505
6506
6507
6508
6509
6510
6511
6512
6513
6514
6515
6516
6517
6518
....
6528
6529
6530
6531
6532
6533
6534
6535
6536
6537
6538
6539
6540
6541
6542
6543
6544
6545
6546
6547
6548
6549
6550
6551
6552
6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
6568
....
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
6629
6630
6631
....
6644
6645
6646
6647
6648
6649
6650
6651
6652
6653
6654
6655
6656
6657
6658
....
6701
6702
6703
6704
6705
6706
6707
6708
6709
6710
6711
6712
6713
6714
6715
....
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
6737
6738
6739
....
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169
7170
7171
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
....
7864
7865
7866
7867
7868
7869
7870
7871
7872
7873
7874
7875
7876
7877
7878
....
7921
7922
7923
7924
7925
7926
7927
7928
7929
7930
7931
7932
7933
7934
7935
....
8482
8483
8484
8485
8486
8487
8488
8489
8490
8491
8492
8493
8494
8495
8496
8497
8498
8499
8500
8501
8502
8503
8504
8505
8506
8507
8508
8509
8510
8511
8512
8513
8514
8515
8516
8517
8518
8519
....
9282
9283
9284
9285
9286
9287
9288
9289
9290
9291
9292
9293
9294
9295
9296
....
9403
9404
9405
9406
9407
9408
9409
9410
9411
9412
9413
9414
9415
9416
9417
9418
9419
9420
9421
9422
9423
9424
9425
9426
....
9471
9472
9473
9474
9475
9476
9477
9478
9479
9480
9481
9482
9483
9484
9485
....
9555
9556
9557
9558
9559
9560
9561
9562
9563
9564
9565
9566
9567
9568
9569
....
9835
9836
9837
9838
9839
9840
9841
9842
9843
9844
9845
9846
9847
9848
9849
9850
.....
10831
10832
10833
10834
10835
10836
10837
10838
10839

10840
10841
10842
10843
10844
10845
10846
.....
11024
11025
11026
11027
11028
11029
11030
11031
11032
11033
11034
11035
11036
11037
11038
.....
11053
11054
11055
11056
11057
11058
11059
11060
11061
11062
11063
11064
11065
11066
11067
.....
11275
11276
11277
11278
11279
11280
11281
11282
11283
11284
11285
11286
11287
11288
11289
11290
.....
11481
11482
11483
11484
11485
11486
11487
11488
11489
11490
11491
11492
11493
11494
11495
.....
11527
11528
11529
11530
11531
11532
11533
11534
11535
11536
11537
11538
11539
11540
11541
.....
11543
11544
11545
11546
11547
11548
11549
11550
11551
11552
11553
11554
11555
11556
11557
11558
11559
11560
11561
11562
.....
11658
11659
11660
11661
11662
11663
11664
11665
11666
11667
11668
11669
11670
11671
11672
11673
11674
11675
11676
11677
11678
11679
11680
11681
.....
11974
11975
11976
11977
11978
11979
11980
11981
11982
11983
11984
11985
11986
11987
11988
11989
11990
11991
11992
11993
11994
11995
11996
11997
11998
11999
12000
.....
12014
12015
12016
12017
12018
12019
12020
12021
12022
12023
12024
12025
12026
12027
12028
.....
12767
12768
12769
12770
12771
12772
12773
12774
12775
12776
12777
12778

12779
12780
12781
12782
12783
12784
12785
.....
13165
13166
13167
13168
13169
13170
13171
















13172
13173
13174
13175
13176
13177
13178
.....
13509
13510
13511
13512
13513
13514
13515
13516
13517
13518
13519
13520
13521
13522
13523
13524
13525
13526
13527
13528
13529
13530
13531
13532
13533
13534
13535
13536
13537
13538
13539
13540
13541
13542
13543
13544
13545
13546
13547
13548
13549
13550
13551
13552
13553
13554
13555
13556
13557
13558
13559
13560
13561
13562
13563
13564
13565
13566
13567
13568
13569
13570
13571
13572
13573
13574
13575

13576
13577
13578
13579
13580
13581
13582
13583
13584
13585
13586
13587
13588
13589
13590
13591
13592
13593
13594
13595
13596
13597
13598
13599
13600
.....
13604
13605
13606
13607
13608
13609
13610



13611






13612
13613
13614
13615




13616
13617
13618
13619
13620
13621















13622
13623
13624
13625
13626
13627
13628
13629
13630
13631
13632
13633
13634
.....
13644
13645
13646
13647
13648
13649
13650
13651
13652
13653
13654
13655
13656
13657
13658
13659
13660
13661
13662
13663
.....
13669
13670
13671
13672
13673
13674
13675
13676
13677

13678
13679
13680
13681
13682
13683
13684
.....
13691
13692
13693
13694
13695
13696
13697
13698
13699
13700
13701
13702

13703
13704
13705
13706
13707
13708
13709
13710
.....
13877
13878
13879
13880
13881
13882
13883
13884
13885

13886
13887
13888
13889
13890
13891
13892
.....
18267
18268
18269
18270
18271
18272
18273
18274
18275
18276
18277
18278
18279
18280
18281
.....
18508
18509
18510
18511
18512
18513
18514
18515
18516
18517
18518
18519
18520
18521
18522
.....
18531
18532
18533
18534
18535
18536
18537
18538
18539
18540
18541
18542
18543
18544
18545
18546
18547
18548
.....
20119
20120
20121
20122
20123
20124
20125
20126
20127
20128
20129
20130
20131
20132
20133
.....
21500
21501
21502
21503
21504
21505
21506

21507
21508
21509
21510
21511
21512
21513
21514
21515
21516
21517
21518
21519
21520
21521

21522
21523
21524
21525
21526
21527
21528
.....
21531
21532
21533
21534
21535
21536
21537
21538
21539
21540
21541
21542
21543
21544
21545
.....
21663
21664
21665
21666
21667
21668
21669
21670
21671
21672
21673
21674
21675
21676
21677
21678
21679
21680
21681
21682
21683
21684
21685
21686
21687
21688
21689
21690
21691
21692
21693
21694
21695
21696
21697
21698
21699
21700
21701
21702
.....
24396
24397
24398
24399
24400
24401
24402
24403
24404
24405
24406
24407
24408
24409
24410
24411
24412
24413
.....
24746
24747
24748
24749
24750
24751
24752
24753
24754
24755
24756
24757
24758
24759
24760
24761
24762
24763
24764
24765
24766
24767
24768
24769
24770
24771
24772
24773
24774
24775
24776
24777
24778
24779
24780
24781
24782
24783
24784
24785
.....
24808
24809
24810
24811
24812
24813
24814
24815
24816
24817
24818
24819
24820
24821
24822
.....
24825
24826
24827
24828
24829
24830
24831
24832
24833
24834
24835
24836
24837
24838
24839
.....
25411
25412
25413
25414
25415
25416
25417
25418
25419
25420
25421
25422
25423
25424
25425
.....
26405
26406
26407
26408
26409
26410
26411

26412
26413
26414
26415
26416
26417
26418
26419
26420
26421
26422
.....
27570
27571
27572
27573
27574
27575
27576
27577
27578
27579
27580
27581
27582
27583
27584
.....
28005
28006
28007
28008
28009
28010
28011
28012
28013
28014
28015
28016
28017
28018
28019
28020
.....
28238
28239
28240
28241
28242
28243
28244
28245
28246
28247
28248
28249
28250
28251
28252
.....
28253
28254
28255
28256
28257
28258
28259
28260
28261
28262
28263
28264
28265
28266
28267
28268
28269
28270
28271
28272
28273
28274
28275
28276
28277
.....
28402
28403
28404
28405
28406
28407
28408
28409
28410
28411
28412
28413
28414
28415
28416
28417
28418
28419
28420
28421
.....
28429
28430
28431
28432
28433
28434
28435
28436
28437
28438
28439
28440
28441
28442
28443
.....
29283
29284
29285
29286
29287
29288
29289
29290
29291
29292
29293
29294
29295
29296
29297
29298
29299
29300
29301
29302
29303
29304
29305
29306
29307
29308
29309
29310
29311
29312
29313
29314
29315
29316
29317
29318
29319
29320
29321
29322
29323
29324
29325
29326
29327
29328
29329
29330
29331
29332


29333
29334
29335
29336
29337
29338
29339
.....
31532
31533
31534
31535
31536
31537
31538
31539
31540
31541
31542
31543
31544
31545
31546
.....
31701
31702
31703
31704
31705
31706
31707
31708
31709
31710
31711
31712
31713
31714
31715
31716
31717
31718
31719
31720
31721
31722
31723
31724
31725
31726
31727
31728
31729
31730
31731
31732
31733
31734
31735
31736
31737
31738
31739
31740
31741
31742
31743
31744
31745
31746
31747
31748
31749
31750
31751
31752
31753
31754
31755
31756
31757
31758
31759
31760
31761
31762
31763
31764
31765
31766
31767
31768
31769
31770
31771
31772
31773
31774
31775
31776
31777
31778
31779
31780
31781
31782
31783
31784
31785
31786
31787
31788
31789
31790
31791
31792
31793
31794
31795
31796
31797
31798
31799
31800
31801
31802
31803
31804
31805
31806
31807
31808
31809
31810
31811
31812
31813
31814
31815
31816
31817
31818
31819
31820
31821
31822
31823
31824
31825
31826
31827
31828
31829
31830
.....
31893
31894
31895
31896
31897
31898
31899
31900
31901
31902
31903
31904
31905
31906
31907
.....
31925
31926
31927
31928
31929
31930
31931
31932
31933
31934
31935
31936
31937
31938
31939
.....
32171
32172
32173
32174
32175
32176
32177
32178
32179
32180
32181
32182
32183
32184
32185
.....
32217
32218
32219
32220
32221
32222
32223
32224
32225
32226
32227
32228
32229
32230
32231
32232
.....
32244
32245
32246
32247
32248
32249
32250
32251
32252
32253
32254
32255
32256
32257
32258
.....
32292
32293
32294
32295
32296
32297
32298
32299
32300
32301
32302
32303
32304
32305
32306
32307
32308
32309
32310
.....
32324
32325
32326
32327
32328
32329
32330
32331
32332
32333
32334
32335
32336
32337
32338
32339
32340
32341
.....
32349
32350
32351
32352
32353
32354
32355
32356
32357
32358
32359
32360
32361
32362
32363
32364
32365
32366
32367
32368
32369
32370
32371
32372
32373
32374
32375
32376
32377
32378
32379
32380
32381
32382






32383
32384
32385
32386
32387
32388
32389
32390
32391
32392
32393
32394
32395
32396
32397
32398
32399
32400
32401
32402
.....
32409
32410
32411
32412
32413
32414
32415
32416
32417
32418
32419
32420
32421
32422
32423
.....
32448
32449
32450
32451
32452
32453
32454
32455
32456
32457
32458
32459
32460
32461
32462
.....
32467
32468
32469
32470
32471
32472
32473
32474
32475
32476
32477
32478
32479
32480
32481
32482
32483
.....
32670
32671
32672
32673
32674
32675
32676
32677
32678
32679
32680
32681
32682
32683
32684
.....
32985
32986
32987
32988
32989
32990
32991
32992
32993
32994
32995
32996
32997
32998
32999
.....
33028
33029
33030
33031
33032
33033
33034
33035
33036
33037
33038
33039
33040
33041
33042
.....
33287
33288
33289
33290
33291
33292
33293
33294
33295
33296
33297
33298
33299
33300
33301
33302
33303
33304
33305
33306
33307
33308
33309
33310
33311
33312
33313
33314
33315
.....
33338
33339
33340
33341
33342
33343
33344
33345
33346
33347
33348
33349
33350
33351
33352
.....
33420
33421
33422
33423
33424
33425
33426
33427
33428
33429
33430
33431
33432
33433
33434
.....
33500
33501
33502
33503
33504
33505
33506






























































33507
33508
33509
33510
33511
33512
33513
.....
33671
33672
33673
33674
33675
33676
33677
33678
33679
33680
33681
33682
33683
33684
33685
.....
33775
33776
33777
33778
33779
33780
33781
33782
33783
33784
33785
33786
33787
33788
33789
33790
.....
33816
33817
33818
33819
33820
33821
33822
33823
33824
33825
33826
33827
33828
33829
33830
.....
33880
33881
33882
33883
33884
33885
33886
33887
33888
33889
33890
33891
33892
33893
33894
33895
33896
33897
33898
33899
33900
.....
34928
34929
34930
34931
34932
34933
34934
34935
34936
34937
34938
34939
34940
34941
34942
34943
34944
34945
34946
34947
34948
.....
35845
35846
35847
35848
35849
35850
35851
35852
35853
35854
35855
35856
35857
35858
35859
.....
36706
36707
36708
36709
36710
36711
36712
36713
36714
36715
36716
36717
36718
36719
36720
.....
36732
36733
36734
36735
36736
36737
36738
36739
36740
36741
36742
36743
36744
36745
36746
36747
36748
36749
36750
36751
.....
41086
41087
41088
41089
41090
41091
41092
41093
41094
41095
41096
41097
41098
41099
41100
41101
.....
41118
41119
41120
41121
41122
41123
41124
41125
41126
41127
41128
41129
41130
41131
41132
41133
41134
41135
41136
41137
41138
41139
41140
41141
41142
41143
41144
41145
41146
.....
41165
41166
41167
41168
41169
41170
41171
41172
41173
41174
41175
41176
41177
41178
41179
.....
41187
41188
41189
41190
41191
41192
41193
41194
41195
41196
41197
41198
41199
41200
41201
41202
41203
41204
41205
41206
41207
41208
41209
41210
41211
.....
42542
42543
42544
42545
42546
42547
42548
42549
42550
42551
42552
42553
42554
42555
42556
42557
.....
43406
43407
43408
43409
43410
43411
43412
43413
43414
43415
43416
43417
43418
43419
43420
.....
43498
43499
43500
43501
43502
43503
43504
43505
43506
43507
43508
43509
43510
43511
43512
43513
.....
44031
44032
44033
44034
44035
44036
44037
44038
44039
44040
44041
44042
44043
44044
44045
44046
44047
44048
44049
44050
44051
44052
44053
.....
44055
44056
44057
44058
44059
44060
44061
44062
44063
44064
44065
44066
44067
44068
44069
44070
44071
44072
44073
44074
44075
.....
44155
44156
44157
44158
44159
44160
44161
44162
44163
44164
44165
44166
44167
44168
44169
44170
44171
44172
.....
44865
44866
44867
44868
44869
44870
44871
44872
44873
44874
44875
44876
44877
44878
44879
.....
44898
44899
44900
44901
44902
44903
44904
44905
44906
44907
44908
44909
44910
44911
44912
44913
44914
44915
44916
44917
44918
44919
44920
44921
44922
44923
44924
44925
44926
44927
44928
44929
44930
44931
44932
44933
44934
44935
44936
44937
44938
44939
.....
45547
45548
45549
45550
45551
45552
45553
45554
45555
45556
45557
45558
45559
45560
45561
45562
45563
45564
45565
45566
45567
45568
45569
45570
45571
45572
45573
45574
45575
45576
45577
45578
45579
45580
45581
45582
.....
45755
45756
45757
45758
45759
45760
45761
45762
45763
45764
45765
45766
45767
45768
45769
45770
45771
45772
45773
45774
45775
45776
45777
45778
45779
45780
45781
45782
45783
45784
45785
45786
.....
46171
46172
46173
46174
46175
46176
46177
46178
46179
46180
46181
46182
46183
46184
46185
46186
46187
46188
46189
46190
46191
46192
46193
46194
46195
46196
46197
46198
46199
46200
46201
46202
.....
46414
46415
46416
46417
46418
46419
46420
46421
46422
46423
46424
46425
46426
46427
46428
.....
48295
48296
48297
48298
48299
48300
48301
48302
48303
48304
48305
48306
48307
48308
48309
.....
48335
48336
48337
48338
48339
48340
48341
48342
48343
48344
48345
48346
48347
48348
48349
48350
48351
48352
48353
.....
48364
48365
48366
48367
48368
48369
48370
48371
48372
48373
48374
48375
48376
48377
48378
48379
.....
49203
49204
49205
49206
49207
49208
49209
49210
49211
49212
49213
49214
49215
49216

49217
49218
49219
49220
49221
49222
49223
.....
49231
49232
49233
49234
49235
49236
49237
49238
49239
49240
49241
49242
49243
49244
49245
.....
49250
49251
49252
49253
49254
49255
49256

49257
49258
49259
49260
49261
49262
49263
.....
51960
51961
51962
51963
51964
51965
51966
51967
51968
51969
51970
51971
51972
51973
51974
.....
51976
51977
51978
51979
51980
51981
51982
51983
51984
51985
51986
51987

51988
51989
51990
51991
51992
51993
51994
51995
51996
51997
.....
52066
52067
52068
52069
52070
52071
52072
52073
52074
52075
52076
52077
52078
52079
52080
.....
52899
52900
52901
52902
52903
52904
52905

52906
52907
52908
52909
52910
52911
52912
52913
52914
52915
52916
.....
52927
52928
52929
52930
52931
52932
52933
52934
52935
52936
52937
52938
52939
52940
52941
52942
52943
52944
52945
.....
52971
52972
52973
52974
52975
52976
52977
52978
52979
52980
52981
52982
52983
52984
52985
.....
53022
53023
53024
53025
53026
53027
53028
53029
53030
53031
53032
53033
53034
53035
53036
53037
53038
53039
53040
53041
.....
53072
53073
53074
53075
53076
53077
53078
53079
53080
53081
53082
53083
53084
53085
53086
53087
53088
53089
53090
.....
53530
53531
53532
53533
53534
53535
53536
53537
53538
53539
53540
53541
53542
53543
53544
53545
53546
53547
53548
53549
53550
53551
53552
53553
53554
53555
53556
53557
53558
53559
53560
53561
.....
57696
57697
57698
57699
57700
57701
57702







57703
57704
57705
57706
57707
57708
57709
.....
57733
57734
57735
57736
57737
57738
57739
57740
57741
57742
57743
57744
57745
57746
57747
57748
57749
57750
57751
57752
57753
57754
57755
57756
57757
57758
57759
57760
.....
58938
58939
58940
58941
58942
58943
58944
58945
58946
58947
58948
58949
58950
58951
58952
58953
58954
58955
58956
58957
58958
58959
58960
58961
58962
58963
58964
58965
58966
58967
58968
58969
58970
58971
58972
58973
58974
58975
58976
58977
58978
58979
58980
58981
58982
58983
58984
58985
58986
58987
58988
58989
58990


58991
58992
58993
58994
58995
58996
58997
58998







58999
59000
59001
59002
59003






59004
59005


59006
59007
59008
59009
59010
59011
59012
59013
59014
59015
59016
59017
59018
59019
59020
59021
59022
59023
59024
59025
59026







59027
59028
59029
59030
59031
59032
59033
59034
59035
59036
59037
59038
59039


59040

59041
59042

59043
59044
59045
59046
59047
59048
59049
59050
59051
59052
59053
59054
59055
59056
59057
59058
59059
59060
59061
59062
59063
59064
59065
59066
59067
59068
59069
59070
59071
59072
59073
59074
59075
59076
59077
59078
59079
59080
59081
59082
59083
59084
59085
59086
59087
59088
59089
59090
59091
59092
59093
59094
59095
59096
59097
59098
59099










59100















59101
59102
59103
59104
59105
59106
59107
59108
.....
59368
59369
59370
59371
59372
59373
59374
59375
59376
59377
59378
59379
59380
59381
59382
.....
59582
59583
59584
59585
59586
59587
59588
59589
59590
59591
59592
59593
59594
59595
59596
59597
59598
59599
59600
59601
59602
59603
59604
.....
59771
59772
59773
59774
59775
59776
59777





59778
59779
59780
59781

59782
59783
59784
59785
59786
59787
59788
59789
.....
59968
59969
59970
59971
59972
59973
59974
59975
59976
59977
59978
59979
59980
59981
59982
59983
59984
59985
59986
59987
59988
59989
59990
59991
.....
60423
60424
60425
60426
60427
60428
60429
60430
60431
60432
60433
60434
60435
60436
60437
.....
60438
60439
60440
60441
60442
60443
60444
60445
60446
60447
60448
60449
60450
60451
60452
60453
60454
60455
60456
60457
60458
60459
60460
60461
60462
60463
60464
60465
60466
.....
60506
60507
60508
60509
60510
60511
60512
60513
60514
60515
60516
60517
60518
60519
60520
.....
60888
60889
60890
60891
60892
60893
60894
60895
60896
60897
60898
60899
60900
60901
60902
.....
61245
61246
61247
61248
61249
61250
61251
61252
61253
61254
61255
61256
61257
61258
61259
61260
61261
61262
61263
61264
61265
61266
.....
61271
61272
61273
61274
61275
61276
61277
61278
61279
61280
61281
61282
61283
61284
61285
.....
61961
61962
61963
61964
61965
61966
61967


























61968
61969
61970
61971
61972
61973
61974
61975
61976
61977
61978

61979
61980
61981
61982
61983
61984
61985
61986
61987
61988
61989
61990
61991

61992
61993
61994
61995
61996
61997
61998
61999
62000
.....
62901
62902
62903
62904
62905
62906
62907
62908
62909
62910
62911
62912
62913
62914
62915
.....
63310
63311
63312
63313
63314
63315
63316
63317
63318
63319
63320
63321
63322
63323
63324
.....
63544
63545
63546
63547
63548
63549
63550
63551
63552
63553
63554
63555
63556
63557
63558
.....
63581
63582
63583
63584
63585
63586
63587
63588
63589
63590
63591
63592
63593
63594
63595
.....
63737
63738
63739
63740
63741
63742
63743
63744
63745
63746
63747
63748
63749
63750
63751
.....
64155
64156
64157
64158
64159
64160
64161
64162
64163

64164







64165
64166
64167
64168
64169
64170
64171
64172
64173
64174
64175
64176
64177
64178
64179
64180
64181
64182
64183
64184
64185
64186
64187
64188
64189
64190
.....
64481
64482
64483
64484
64485
64486
64487
64488
64489
64490
64491
64492
64493
64494
64495
64496
64497
64498
64499
64500
64501
64502
64503
64504
64505
64506
64507
.....
64531
64532
64533
64534
64535
64536
64537
64538
64539
64540
64541
64542
64543
64544
64545
64546
64547
64548
64549
64550
64551
64552
64553
.....
64778
64779
64780
64781
64782
64783
64784
64785
64786
64787
64788
64789
64790
64791
64792
64793
64794
64795
64796
64797
64798
.....
65364
65365
65366
65367
65368
65369
65370
65371
65372
65373
65374
65375
65376
65377
65378
65379
65380
65381
65382
65383
65384
65385
65386
65387
65388
.....
65482
65483
65484
65485
65486
65487
65488
65489
65490
65491
65492
65493
65494
65495
65496
65497
65498
65499
65500
.....
65626
65627
65628
65629
65630
65631
65632
65633
65634
65635
65636
65637
65638
65639
65640
65641
65642
65643
65644
.....
65951
65952
65953
65954
65955
65956
65957
65958
65959
65960
65961
65962
65963
65964
65965
.....
66438
66439
66440
66441
66442
66443
66444
66445
66446
66447
66448
66449
66450
66451
66452
.....
66516
66517
66518
66519
66520
66521
66522
66523
66524
66525
66526
66527
66528
66529
66530
.....
66625
66626
66627
66628
66629
66630
66631
66632
66633
66634
66635
66636
66637
66638
66639
.....
66737
66738
66739
66740
66741
66742
66743
66744
66745
66746
66747
66748
66749
66750
66751
.....
67158
67159
67160
67161
67162
67163
67164
67165
67166
67167
67168
67169
67170
67171
67172
.....
67863
67864
67865
67866
67867
67868
67869
67870
67871
67872
67873
67874
67875
67876
67877
.....
68674
68675
68676
68677
68678
68679
68680
68681
68682
68683
68684
68685
68686
68687
68688
68689
68690
68691
68692
68693
68694
68695
68696
68697
68698
68699
68700
68701
68702
68703
68704
68705
68706
68707
68708
68709
68710
68711
68712
68713
68714
68715
68716
68717
68718
68719
68720
68721
68722
.....
68760
68761
68762
68763
68764
68765
68766
68767
68768
68769
68770


68771
68772
68773
68774
68775
68776
68777
68778
68779
68780
68781

68782
68783
68784
68785
68786
68787
68788
.....
68858
68859
68860
68861
68862
68863
68864
68865
68866
68867
68868
68869
68870
68871
68872
.....
69199
69200
69201
69202
69203
69204
69205
69206
69207
69208
69209
69210
69211
69212
69213
69214
69215
69216
.....
71769
71770
71771
71772
71773
71774
71775
71776
71777
71778
71779
71780
71781
71782
71783
71784
71785
71786
71787
71788
71789
71790
71791
71792
71793
71794
71795
71796
71797
71798
71799
71800
71801
71802


71803


71804
71805
71806
71807
71808

71809
71810
71811

71812
71813
71814
71815
71816
71817

71818
71819
71820
71821
71822
71823
71824
71825
71826
71827
71828
71829
.....
73559
73560
73561
73562
73563
73564
73565
73566
73567
73568
73569
73570
73571
73572
73573
73574
73575
.....
75331
75332
75333
75334
75335
75336
75337
75338
75339
75340
75341
75342
75343
75344
75345
75346
75347
75348
75349
75350
75351
75352
.....
76592
76593
76594
76595
76596
76597
76598
76599
76600
76601
76602
76603
76604
76605
76606
76607
76608
76609
76610
76611
.....
76650
76651
76652
76653
76654
76655
76656
76657
76658
76659
76660
76661
76662
76663
76664
76665
76666
76667
76668
76669
76670
76671
76672
76673
76674
76675
.....
77532
77533
77534
77535
77536
77537
77538
77539


77540
77541
77542
77543
77544
77545
77546
.....
78951
78952
78953
78954
78955
78956
78957
78958
78959
78960
78961
78962
78963
78964
78965
78966
.....
80149
80150
80151
80152
80153
80154
80155
80156
80157

80158
80159
80160
80161
80162
80163
80164
.....
80772
80773
80774
80775
80776
80777
80778
80779
80780
80781
80782
80783
80784
80785
80786
.....
81948
81949
81950
81951
81952
81953
81954
81955
81956
81957
81958
81959
81960
81961
81962
.....
82183
82184
82185
82186
82187
82188
82189
82190
82191
82192
82193
82194
82195
82196
82197
82198
82199
82200
82201
82202
82203
82204
.....
82702
82703
82704
82705
82706
82707
82708
82709
82710
82711
82712
82713
82714
82715
82716
82717
82718
82719
.....
82748
82749
82750
82751
82752
82753
82754
82755
82756
82757
82758
82759
82760
82761
82762
82763
82764
.....
82804
82805
82806
82807
82808
82809
82810
82811
82812
82813
82814
82815
82816
82817
82818
.....
82880
82881
82882
82883
82884
82885
82886
82887
82888
82889
82890
82891
82892
82893
82894
.....
82969
82970
82971
82972
82973
82974
82975
82976
82977
82978
82979
82980
82981
82982
82983
82984
82985
82986
82987
82988
82989
82990
82991
82992
82993
82994
82995
82996
82997
.....
83752
83753
83754
83755
83756
83757
83758
83759
83760
83761
83762
83763
83764
83765
83766
.....
84191
84192
84193
84194
84195
84196
84197
84198
84199
84200
84201
84202
84203
84204
84205
84206
84207
84208
84209
84210
84211
84212
84213
84214
84215
84216
84217
84218
84219
84220
84221
84222
84223
.....
85977
85978
85979
85980
85981
85982
85983
85984
85985
85986
85987
85988
85989
85990
85991
.....
86742
86743
86744
86745
86746
86747
86748
86749
86750
86751
86752
86753
86754
86755
86756
86757
86758
86759
86760
86761
86762
86763
86764
86765
86766
86767
.....
88087
88088
88089
88090
88091
88092
88093




88094
88095
88096
88097
88098
88099
88100
.....
88119
88120
88121
88122
88123
88124
88125
88126
88127
88128
88129
88130
88131
88132
88133
88134
88135
88136
88137
88138
88139
88140
88141
.....
88295
88296
88297
88298
88299
88300
88301
88302
88303
88304
88305
88306
88307
88308
88309
.....
88509
88510
88511
88512
88513
88514
88515
88516
88517
88518
88519
88520
88521
88522
88523
.....
89109
89110
89111
89112
89113
89114
89115
89116
89117
89118
89119
89120
89121
89122
89123
89124
89125
89126
89127
89128
89129
89130
89131
89132
89133
89134
89135
89136
89137
.....
94700
94701
94702
94703
94704
94705
94706
94707
94708
94709
94710
94711
94712
94713
94714
94715
94716
94717
94718
94719
94720
94721
.....
95429
95430
95431
95432
95433
95434
95435
95436
95437

95438
95439
95440
95441
95442
95443
95444
.....
96263
96264
96265
96266
96267
96268
96269
96270
96271
96272
96273
96274
96275
96276
96277
96278
.....
96484
96485
96486
96487
96488
96489
96490
96491
96492
96493
96494
96495
96496
96497
96498
.....
96508
96509
96510
96511
96512
96513
96514
96515
96516
96517
96518
96519
96520
96521
96522
.....
96838
96839
96840
96841
96842
96843
96844
96845
96846
96847
96848
96849
96850
96851
96852
96853
.....
96896
96897
96898
96899
96900
96901
96902
96903
96904
96905
96906
96907
96908
96909
96910
.....
97270
97271
97272
97273
97274
97275
97276
97277
97278
97279
97280
97281
97282
97283
97284
97285
97286
97287
97288
97289
97290
97291
97292
97293
97294
97295
.....
97310
97311
97312
97313
97314
97315
97316
97317
97318
97319
97320
97321
97322
97323

97324
97325
97326
97327
97328
97329
97330
.....
97639
97640
97641
97642
97643
97644
97645
97646
97647
97648
97649
97650
97651
97652
97653
.....
97702
97703
97704
97705
97706
97707
97708
97709
97710
97711
97712
97713
97714
97715
97716
.....
97722
97723
97724
97725
97726
97727
97728
97729
97730
97731
97732

97733
97734
97735
97736
97737
97738
97739
97740
97741
97742
97743
.....
97745
97746
97747
97748
97749
97750
97751
97752
97753
97754
97755
97756
97757
97758
97759
.....
97793
97794
97795
97796
97797
97798
97799

97800
97801
97802
97803
97804
97805
97806
.....
97833
97834
97835
97836
97837
97838
97839

97840
97841
97842
97843
97844
97845
97846
97847
97848
97849
97850
97851
.....
97852
97853
97854
97855
97856
97857
97858
97859
97860
97861
97862
97863
97864
97865
97866
97867
97868
97869

97870
97871
97872
97873
97874
97875
97876
.....
97900
97901
97902
97903
97904
97905
97906
97907
97908
97909
97910
97911
97912
97913
97914
97915
97916
97917
.....
97922
97923
97924
97925
97926
97927
97928
97929

97930
97931
97932
97933
97934
97935
97936
.....
97949
97950
97951
97952
97953
97954
97955
97956
97957
97958
97959
97960
97961
97962
97963
.....
98019
98020
98021
98022
98023
98024
98025
98026
98027
98028
98029
98030
98031
98032
98033
.....
98102
98103
98104
98105
98106
98107
98108

98109
98110
98111
98112
98113
98114
98115
98116
98117
98118
98119
98120
98121
98122
98123
98124
98125
98126
98127
98128
98129
98130
98131
98132
98133
98134
98135
98136
98137
98138
98139
98140
98141
98142
98143
98144
98145
98146
98147
98148
98149
98150
98151
98152
98153
98154
98155
98156
98157
98158
98159
98160
98161
98162
98163
98164
98165
98166
98167
98168
98169
98170
98171
98172
98173
98174
98175
98176
98177
98178
.....
98267
98268
98269
98270
98271
98272
98273
98274
98275
98276
98277
98278
98279
98280
98281
98282
98283
98284
98285
98286
98287
98288
98289
98290
98291
98292
98293
98294
98295
98296
98297
98298
98299
98300
98301
98302
98303
98304
98305
98306
98307
98308
98309
98310
98311
98312
98313
98314
98315
98316
98317
98318
98319
98320
98321
98322
98323
98324
98325
98326
98327
98328
98329
98330
98331
......
107366
107367
107368
107369
107370
107371
107372
107373
107374
107375
107376
107377
107378

107379
107380
107381
107382
107383
107384
107385
......
107424
107425
107426
107427
107428
107429
107430
107431

107432
107433
107434
107435
107436
107437
107438
107439
......
107519
107520
107521
107522
107523
107524
107525
107526
107527
107528
107529
107530
107531
107532
107533
107534
......
108339
108340
108341
108342
108343
108344
108345
108346
108347
108348
108349
108350
108351
108352
108353
108354
108355
108356
108357
......
109703
109704
109705
109706
109707
109708
109709
109710
109711
109712
109713
109714
109715
109716
109717
109718
109719
109720
109721
109722
109723
109724
109725
109726
109727
109728
109729
109730
109731
109732
109733
109734
109735
109736
109737
109738
109739
109740
109741
109742
109743
109744
109745
109746
109747
109748
109749
109750
109751
109752
109753
109754
109755
109756
109757
109758
109759
109760
109761
109762
109763
109764
109765
109766
109767
109768
109769
109770
109771
109772
109773
109774
109775
109776
109777
109778
109779
109780
109781
109782
109783
109784
109785
109786
109787
109788
109789
109790
109791
109792
109793
109794
109795
109796
109797
109798
109799
109800
109801
109802
109803
109804
109805
109806
109807
109808
109809
109810
109811
109812
109813
109814
109815
109816
109817
109818
109819
109820
109821
109822
109823
109824
109825
109826
109827
109828
109829
109830
109831
109832
109833
109834
109835
109836
109837
109838
109839
109840
109841
109842
109843
109844
109845
109846
109847
109848
109849
109850
109851
109852
109853
109854
109855
109856
109857
109858
109859
109860
109861
109862
109863
109864
109865
109866
109867
109868
109869
109870
109871
109872
109873
109874
109875
109876
109877
109878
109879
109880
109881
109882
109883
109884
109885
109886
109887
109888
109889
109890
109891
109892
109893
109894
109895
109896
109897
109898
109899
109900
109901
109902
109903
109904
109905
109906
109907
109908
109909
109910
109911
109912
109913
109914
109915
109916
109917
109918
109919
109920
109921
109922
109923
109924
109925
109926
109927
109928
109929
109930
109931
109932
109933
109934
109935
109936
109937
109938
109939
109940
109941
109942
109943
109944
109945
109946
109947
109948
109949
109950
109951


109952
109953
109954
109955
109956
109957
109958
109959
109960
109961
109962
109963
......
109973
109974
109975
109976
109977
109978
109979
109980
109981
109982
109983
109984
109985
109986
109987
......
110054
110055
110056
110057
110058
110059
110060







110061
110062
110063
110064
110065
110066
110067
......
110076
110077
110078
110079
110080
110081
110082
110083
110084
110085
110086
110087
110088
110089
110090
110091
110092
110093
110094
110095
110096
110097
110098
110099
110100
110101
......
110180
110181
110182
110183
110184
110185
110186
110187
110188
110189
110190
110191
110192
110193
110194
......
110212
110213
110214
110215
110216
110217
110218
110219
110220
110221
110222
110223
110224
110225
110226
......
110817
110818
110819
110820
110821
110822
110823
110824
110825
110826
110827
110828
110829
110830
110831
110832
110833
110834
110835
110836
110837
110838
110839
110840
110841
110842
110843
110844
110845
110846
110847
110848
110849
110850
110851
110852
110853
110854
110855
110856
110857
110858
110859
110860
110861
110862
110863
110864
110865
110866
110867
110868
......
111485
111486
111487
111488
111489
111490
111491






111492
111493
111494
111495
111496
111497
111498
......
111500
111501
111502
111503
111504
111505
111506

111507
111508
111509
111510
111511
111512
111513
111514
111515
111516
111517
111518
111519
111520
111521
111522
111523
111524
111525
111526
111527
111528
111529
111530
......
111815
111816
111817
111818
111819
111820
111821
111822
111823
111824
111825
111826
111827
111828
111829
111830
111831
111832
111833
111834
111835
111836
111837
111838
111839
111840
111841
111842
111843
111844
111845
111846
111847
111848
111849
111850
111851
111852
111853
111854
111855
111856
111857
......
111883
111884
111885
111886
111887
111888
111889
111890
111891
111892
111893
111894
111895
111896
111897
111898
111899
111900
111901
111902
111903
111904
111905
111906
111907
111908
111909
111910
111911
111912
111913
111914
111915
111916
111917
111918
111919
111920
111921
111922
111923
111924
111925
111926
111927
111928
111929
111930
111931
111932
111933
......
111940
111941
111942
111943
111944
111945
111946
111947
111948
111949
111950
111951
111952
111953
111954
111955
111956
111957
111958
111959
111960
111961
111962
111963
111964
111965
111966
111967
111968
111969
111970
111971
111972
111973
111974
111975
111976
111977
111978
111979
111980
111981

111982
111983
111984
111985
111986
111987
111988
111989
111990
111991
111992
111993
111994
111995
111996
111997
111998
......
112005
112006
112007
112008
112009
112010
112011
112012
112013
112014
112015
112016
112017
112018
112019
112020
112021
112022
......
112039
112040
112041
112042
112043
112044
112045
112046
112047
112048
112049
112050
112051
112052
112053
112054
112055
112056
112057
112058
112059
112060
112061
112062






112063
112064
112065
112066
112067

112068
112069
112070
112071
112072
112073
112074
1120