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Changes In Branch stickyHasRows Excluding Merge-Ins

This is equivalent to a diff from a31cac5d59 to 59bbbbfcdb

2014-03-18
23:12
Add StickyHasRows connection flag to cause the SQLiteDataReader.HasRows property to return non-zero if there were ever any rows in the associated result sets. check-in: baf17cba3c user: mistachkin tags: trunk
2014-03-14
20:20
Add StickyHasRows connection flag to cause the SQLiteDataReader.HasRows property to return non-zero if there were ever any rows in the associated result sets. Closed-Leaf check-in: 59bbbbfcdb user: mistachkin tags: stickyHasRows
2014-03-12
22:56
Add the SQLiteDataReader.StepCount property to return the number of rows seen so far. check-in: a31cac5d59 user: mistachkin tags: trunk
20:50
Add a test for the SQLiteDataReader.HasRows property. check-in: 7fb5c1cd3e user: mistachkin tags: trunk

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

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    <h1 class="heading">Version History</h1>
    <p><b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
      <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>

      <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to <a href="http://system.data.sqlite.org/index.html/info/283344397b">[283344397b]</a>.</li>
      <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
      <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
    </ul>
    <p><b>1.0.91.0 - February 12, 2014</b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_3_1.html">SQLite 3.8.3.1</a>.</li>







>







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    <h1 class="heading">Version History</h1>
    <p><b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
      <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>
      <li>Add StickyHasRows connection flag to cause the SQLiteDataReader.HasRows property to return non-zero if there were ever any rows in the associated result sets.</li>
      <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to <a href="http://system.data.sqlite.org/index.html/info/283344397b">[283344397b]</a>.</li>
      <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
      <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
    </ul>
    <p><b>1.0.91.0 - February 12, 2014</b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_3_1.html">SQLite 3.8.3.1</a>.</li>

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

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      /// cases; however, if there are no per-connection type mappings, the
      /// fallback defaults will be used for both type names and their
      /// associated <see cref="DbType" /> values.  Therefore, use of this flag
      /// is not recommended.
      /// </summary>
      NoGlobalTypes = 0x200000,








      /// <summary>
      /// When binding parameter values or returning column values, always
      /// treat them as though they were plain text (i.e. no numeric,
      /// date/time, or other conversions should be attempted).
      /// </summary>
      BindAndGetAllAsText = BindAllAsText | GetAllAsText,








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      /// cases; however, if there are no per-connection type mappings, the
      /// fallback defaults will be used for both type names and their
      /// associated <see cref="DbType" /> values.  Therefore, use of this flag
      /// is not recommended.
      /// </summary>
      NoGlobalTypes = 0x200000,

      /// <summary>
      /// When the <see cref="SQLiteDataReader.HasRows" /> property is used, it
      /// should return non-zero if there were ever any rows in the associated
      /// result sets.
      /// </summary>
      StickyHasRows = 0x400000,

      /// <summary>
      /// When binding parameter values or returning column values, always
      /// treat them as though they were plain text (i.e. no numeric,
      /// date/time, or other conversions should be attempted).
      /// </summary>
      BindAndGetAllAsText = BindAllAsText | GetAllAsText,

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

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    /// </summary>
    public override bool HasRows
    {
      get
      {
        CheckDisposed();
        CheckClosed();


















        return (_readingState != 1);
      }
    }

    /// <summary>
    /// Returns True if the data reader is closed
    /// </summary>







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    /// </summary>
    public override bool HasRows
    {
      get
      {
        CheckDisposed();
        CheckClosed();

        //
        // NOTE: If the "sticky" flag has been set, use the new behavior,
        //       which returns non-zero if there were ever any rows in
        //       the associated result sets.  Generally, this flag is only
        //       useful when it is necessary to retain compatibility with
        //       other ADO.NET providers that use these same semantics for
        //       the HasRows property.
        //
        if ((GetFlags(this) & SQLiteConnectionFlags.StickyHasRows) == SQLiteConnectionFlags.StickyHasRows)
          return ((_readingState != 1) || (_stepCount > 0));

        //
        // NOTE: This is the default behavior.  It returns non-zero only if
        //       more rows are available (i.e. a call to the Read method is
        //       expected to succeed).  Prior to the introduction of the
        //       "sticky" flag, this is how this property has always worked.
        //
        return (_readingState != 1);
      }
    }

    /// <summary>
    /// Returns True if the data reader is closed
    /// </summary>

Changes to Tests/basic.eagle.

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{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{False True True False True True False True True 1 True 0 False 0 False False\
True True False False True False False True 1 True 1 True 0 False False False\
True False False False False False False 1 True 1 True 1 True}}

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

runTest {test data-1.64 {SQLiteDataReader StepCount property} -setup {
  setupDb [set fileName data-1.64.db]























































} -body {
  sql execute $db {
    CREATE TABLE t1(x);
    CREATE TABLE t2(x);
    INSERT INTO t2 (x) VALUES(1);
    CREATE TABLE t3(x);
    INSERT INTO t3 (x) VALUES(1);







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{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result \
{False True True False True True False True True 1 True 0 False 0 False False\
True True False False True False False True 1 True 1 True 0 False False False\
True False False False False False False 1 True 1 True 1 True}}

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

runTest {test data-1.64 {SQLiteDataReader sticky HasRows property} -setup {
  setupDb [set fileName data-1.64.db] "" "" "" StickyHasRows
} -body {
  sql execute $db {
    CREATE TABLE t1(x);
    CREATE TABLE t2(x);
    INSERT INTO t2 (x) VALUES(1);
    CREATE TABLE t3(x);
    INSERT INTO t3 (x) VALUES(1);
    INSERT INTO t3 (x) VALUES(2);
  }

  set reader(1) [sql execute -execute reader -format datareader -alias \
      $db "SELECT * FROM t1;"]

  set reader(2) [sql execute -execute reader -format datareader -alias \
      $db "SELECT * FROM t2;"]

  set reader(3) [sql execute -execute reader -format datareader -alias \
      $db "SELECT * FROM t3;"]

  set noRow "*: No current row*"

  list [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [$reader(1) Read] [$reader(2) Read] [$reader(3) Read] \
      [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [catch {$reader(1) Item x} error] [string match $noRow $error] \
      [catch {$reader(2) Item x} error] [string match $noRow $error] \
      [catch {$reader(3) Item x} error] [string match $noRow $error] \
      [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [$reader(1) Read] [$reader(2) Read] [$reader(3) Read] \
      [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [catch {$reader(1) Item x} error] [string match $noRow $error] \
      [catch {$reader(2) Item x} error] [string match $noRow $error] \
      [catch {$reader(3) Item x} error] [string match $noRow $error] \
      [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [$reader(1) Read] [$reader(2) Read] [$reader(3) Read] \
      [$reader(1) HasRows] [$reader(2) HasRows] [$reader(3) HasRows] \
      [catch {$reader(1) Item x} error] [string match $noRow $error] \
      [catch {$reader(2) Item x} error] [string match $noRow $error] \
      [catch {$reader(3) Item x} error] [string match $noRow $error]
} -cleanup {
  unset -nocomplain reader

  cleanupDb $fileName

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

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

runTest {test data-1.65 {SQLiteDataReader StepCount property} -setup {
  setupDb [set fileName data-1.65.db]
} -body {
  sql execute $db {
    CREATE TABLE t1(x);
    CREATE TABLE t2(x);
    INSERT INTO t2 (x) VALUES(1);
    CREATE TABLE t3(x);
    INSERT INTO t3 (x) VALUES(1);

Changes to readme.htm.

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    <b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
    <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>

    <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to [283344397b].</li>
    <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
    <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
</ul>
<p>
    <b>1.0.91.0 - February 12, 2014</b>
</p>







>







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    <b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
    <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>
    <li>Add StickyHasRows connection flag to cause the SQLiteDataReader.HasRows property to return non-zero if there were ever any rows in the associated result sets.</li>
    <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to [283344397b].</li>
    <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
    <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
</ul>
<p>
    <b>1.0.91.0 - February 12, 2014</b>
</p>

Changes to www/news.wiki.

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<title>News</title>

<b>Version History</b>

<p>
    <b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
    <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>

    <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to [283344397b].</li>
    <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
    <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
</ul>
<p>
    <b>1.0.91.0 - February 12, 2014</b>
</p>












>







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<title>News</title>

<b>Version History</b>

<p>
    <b>1.0.92.0 - March XX, 2014 <font color="red">(release scheduled)</font></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>
    <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>
    <li>Add StickyHasRows connection flag to cause the SQLiteDataReader.HasRows property to return non-zero if there were ever any rows in the associated result sets.</li>
    <li>When the TraceWarning connection flag is set, issue warnings about possibly malformed UNC paths. Pursuant to [283344397b].</li>
    <li>Convert the primary NuGet package, &quot;System.Data.SQLite&quot;, into a meta-package.</li>
    <li>Enhancements to the NuGet packages, including the new &quot;modular&quot; packages.</li>
</ul>
<p>
    <b>1.0.91.0 - February 12, 2014</b>
</p>