System.Data.SQLite: Check-in [146cb55f1e]

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Overview

Comment:	Add SetChunkSize method to the SQLiteConnection class. Pursuant to [d1c008fa0a].
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	146cb55f1e9c892953f5db7f5112793b8088fc85
User & Date:	mistachkin 2014-04-21 20:11:11

References

2014-04-21
20:12		• Closed ticket [d1c008fa0a]: Provide API to manipulate SQLITE_FCNTL_CHUNK_SIZE. plus 7 other changes artifact: e836f4f160 user: mistachkin

Context

2014-04-22
06:48		Adjust the vendor-specific setup script (for Eagle) to allow it to be successfully evaluated using a 'safe' interpreter. check-in: a4a1d80b10 user: mistachkin tags: trunk
2014-04-21
20:11		Add SetChunkSize method to the SQLiteConnection class. Pursuant to [d1c008fa0a]. check-in: 146cb55f1e user: mistachkin tags: trunk
2014-04-15
04:54		Update Eagle in externals to the beta 30 release. check-in: f9cacf60ea user: mistachkin tags: trunk

Changes

Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Doc/Extra/Provider/version.html.

    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
      <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to <a href="http://system.data.sqlite.org/index.html/info/56b42d99c1">[56b42d99c1]</a>.</li>

    </ul>
    <p><b>1.0.92.0 - March 19, 2014</p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
      <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Raise the static SQLiteConnection.Changed event when any SQLiteCommand or SQLiteDataReader object is closed or disposed.</li>
      <li>Add the SQLiteDataReader.StepCount property to return the number of rows seen so far.</li>

    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
      <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to <a href="http://system.data.sqlite.org/index.html/info/56b42d99c1">[56b42d99c1]</a>.</li>
      <li>Add SetChunkSize method to the SQLiteConnection class. Pursuant to [d1c008fa0a].</li>
    </ul>
    <p><b>1.0.92.0 - March 19, 2014</p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
      <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Raise the static SQLiteConnection.Changed event when any SQLiteCommand or SQLiteDataReader object is closed or disposed.</li>
      <li>Add the SQLiteDataReader.StepCount property to return the number of rows seen so far.</li>

Changes to System.Data.SQLite/SQLiteConnection.cs.

    private const bool DefaultToFullPath = true;
    private const bool DefaultPooling = false; // TODO: Maybe promote this to static property?
    private const bool DefaultLegacyFormat = false;
    private const bool DefaultForeignKeys = false;
    private const bool DefaultEnlist = true;
    private const bool DefaultSetDefaults = true;


    private const int SQLITE_FCNTL_WIN32_AV_RETRY = 9;

    private const string _dataDirectory = "|DataDirectory|";
    private const string _masterdb = "sqlite_master";
    private const string _tempmasterdb = "sqlite_temp_master";
    #endregion

................................................................................
            pArg = Marshal.AllocHGlobal(sizeof(int) * 2);

            Marshal.WriteInt32(pArg, 0, count);
            Marshal.WriteInt32(pArg, sizeof(int), interval);

            rc = _sql.FileControl(null, SQLITE_FCNTL_WIN32_AV_RETRY, pArg);

            if (rc == 0)
            {
                count = Marshal.ReadInt32(pArg, 0);
                interval = Marshal.ReadInt32(pArg, sizeof(int));
            }
        }
        finally
        {
            if (pArg != IntPtr.Zero)
                Marshal.FreeHGlobal(pArg);
        }

        return rc;
    }




































    /// <summary>
    /// Removes one set of surrounding single -OR- double quotes from the string
    /// value and returns the resulting string value.  If the string is null, empty,
    /// or contains quotes that are not balanced, nothing is done and the original
    /// string value will be returned.
    /// </summary>








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    private const bool DefaultToFullPath = true;
    private const bool DefaultPooling = false; // TODO: Maybe promote this to static property?
    private const bool DefaultLegacyFormat = false;
    private const bool DefaultForeignKeys = false;
    private const bool DefaultEnlist = true;
    private const bool DefaultSetDefaults = true;

    private const int SQLITE_FCNTL_CHUNK_SIZE = 6;
    private const int SQLITE_FCNTL_WIN32_AV_RETRY = 9;

    private const string _dataDirectory = "|DataDirectory|";
    private const string _masterdb = "sqlite_master";
    private const string _tempmasterdb = "sqlite_temp_master";
    #endregion

................................................................................
            pArg = Marshal.AllocHGlobal(sizeof(int) * 2);

            Marshal.WriteInt32(pArg, 0, count);
            Marshal.WriteInt32(pArg, sizeof(int), interval);

            rc = _sql.FileControl(null, SQLITE_FCNTL_WIN32_AV_RETRY, pArg);

            if (rc == SQLiteErrorCode.Ok)
            {
                count = Marshal.ReadInt32(pArg, 0);
                interval = Marshal.ReadInt32(pArg, sizeof(int));
            }
        }
        finally
        {
            if (pArg != IntPtr.Zero)
                Marshal.FreeHGlobal(pArg);
        }

        return rc;
    }

    /// <summary>
    /// Sets the chunk size for the primary file associated with this database
    /// connection.
    /// </summary>
    /// <param name="size">
    /// The new chunk size for the main database, in bytes.
    /// </param>
    /// <returns>
    /// Zero for success, non-zero for error.
    /// </returns>
    public SQLiteErrorCode SetChunkSize(int size)
    {
        CheckDisposed();

        if (_connectionState != ConnectionState.Open)
            throw new InvalidOperationException(
                "Database must be opened before changing the chunk size.");

        IntPtr pArg = IntPtr.Zero;

        try
        {
            pArg = Marshal.AllocHGlobal(sizeof(int) * 1);

            Marshal.WriteInt32(pArg, 0, size);

            return _sql.FileControl(null, SQLITE_FCNTL_CHUNK_SIZE, pArg);
        }
        finally
        {
            if (pArg != IntPtr.Zero)
                Marshal.FreeHGlobal(pArg);
        }
    }

    /// <summary>
    /// Removes one set of surrounding single -OR- double quotes from the string
    /// value and returns the resulting string value.  If the string is null, empty,
    /// or contains quotes that are not balanced, nothing is done and the original
    /// string value will be returned.
    /// </summary>

Changes to Tests/basic.eagle.

  cleanupDb $fileName

  unset -nocomplain error noRow db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{0 1 1 False True True 0 1 1 1 True 0 False 0 False 0 1 1 False False True 0 1\
2 1 True 1 True 0 False 0 1 2 False False False 0 1 2 1 True 1 True 1 True}}











































###############################################################################

reportSQLiteResources $test_channel

###############################################################################








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  cleanupDb $fileName

  unset -nocomplain error noRow db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{0 1 1 False True True 0 1 1 1 True 0 False 0 False 0 1 1 False False True 0 1\
2 1 True 1 True 0 False 0 1 2 False False False 0 1 2 1 True 1 True 1 True}}

###############################################################################

runTest {test data-1.66 {SQLiteConnection.SetChunkSize default} -setup {
  setupDb [set fileName data-1.66.db]
} -body {
  sql execute $db {
    CREATE TABLE t1(a, b);
  }

  file size [file join [getDatabaseDirectory] $fileName]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{2048}}

###############################################################################

runTest {test data-1.67 {SQLiteConnection.SetChunkSize method} -setup {
  setupDb [set fileName data-1.67.db]
} -body {
  set connection [getDbConnection]

  lappend result [$connection SetChunkSize [expr {32 * 1024}]]

  sql execute $db {
    CREATE TABLE t1(a, b);
  }

  lappend result [file size [file join [getDatabaseDirectory] $fileName]]
} -cleanup {
  cleanupDb $fileName

  freeDbConnection

  unset -nocomplain result connection db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{Ok 32768}}

###############################################################################

reportSQLiteResources $test_channel

###############################################################################

Changes to readme.htm.


<p>
    <b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
    <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to [56b42d99c1].</li>

</ul>
<p>
    <b>1.0.92.0 - March 19, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
    <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>


<p>
    <b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
    <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to [56b42d99c1].</li>
    <li>Add SetChunkSize method to the SQLiteConnection class. Pursuant to [d1c008fa0a].</li>
</ul>
<p>
    <b>1.0.92.0 - March 19, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
    <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>

Changes to www/news.wiki.


<p>
    <b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
    <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to [56b42d99c1].</li>

</ul>
<p>
    <b>1.0.92.0 - March 19, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
    <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>


<p>
    <b>1.0.93.0 - April XX, 2014 <font color="red">(release scheduled)</font></b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_3.html">SQLite 3.8.4.3</a>.</li>
    <li>Add support for mapping transaction isolation levels to their legacy default values. Pursuant to [56b42d99c1].</li>
    <li>Add SetChunkSize method to the SQLiteConnection class. Pursuant to [d1c008fa0a].</li>
</ul>
<p>
    <b>1.0.92.0 - March 19, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_4_1.html">SQLite 3.8.4.1</a>.</li>
    <li>Update the list of keywords returned by SQLiteConnection.GetSchema(&quot;ReservedWords&quot;).&nbsp;<b>** Potentially Incompatible Change **</b></li>