SQLITE_NOTICE(283): recovered 2 frames from WAL file /fossil/dotnet.fossil-wal

System.Data.SQLite: Check-in [fa8d4d5773]
System.Data.SQLite
Check-in [fa8d4d5773]
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Overview
Comment:Fix for ticket [e1b2e0f769] with test case.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: fa8d4d57734de3326cf545ca7b60ce61141070dc
User & Date: mistachkin 2011-07-07 02:15:47
References
2011-07-07
04:32 • Ticket [e1b2e0f769] Connection was closed, statement was terminated status still Closed with 2 other changes artifact: c5bf67ddc0 user: mistachkin
02:16 • Closed ticket [e1b2e0f769]. artifact: 587640d245 user: mistachkin
Context
2011-07-07
02:40
Further optimization/fix for ticket [201128cc88]. check-in: f09f0e8ea1 user: mistachkin tags: trunk
02:15
Fix for ticket [e1b2e0f769] with test case. check-in: fa8d4d5773 user: mistachkin tags: trunk
2011-07-06
21:09
Further simplify test case for [e1b2e0f769]. Prevent common.eagle from being treated as a test case file. check-in: bafc84af30 user: mistachkin tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to System.Data.SQLite/SQLiteDataReader.cs. 
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    private CommandBehavior _commandBehavior;

    /// <summary>
    /// If set, then dispose of the command object when the reader is finished
    /// </summary>
    internal bool _disposeCommand;











    /// <summary>
    /// An array of rowid's for the active statement if CommandBehavior.KeyInfo is specified
    /// </summary>
    private SQLiteKeyReader _keyInfo;

    internal long _version; // Matches the version of the connection

................................................................................
    /// <summary>
    /// Internal constructor, initializes the datareader and sets up to begin executing statements
    /// </summary>
    /// <param name="cmd">The SQLiteCommand this data reader is for</param>
    /// <param name="behave">The expected behavior of the data reader</param>
    internal SQLiteDataReader(SQLiteCommand cmd, CommandBehavior behave)
    {

      _command = cmd;
      _version = _command.Connection._version;

      _commandBehavior = behave;
      _activeStatementIndex = -1;
      _rowsAffected = -1;

................................................................................
        NextResult();
    }

    internal void Cancel()
    {
      _version = 0;
    }

















    /// <summary>
    /// Closes the datareader, potentially closing the connection as well if CommandBehavior.CloseConnection was specified.
    /// </summary>
    public override void Close()
    {
      try
................................................................................
        if (_command != null)
        {
          try
          {
            try
            {
              // Make sure we've not been canceled
              if (_version != 0)
              {
                try
                {
                  while (NextResult())
                  {
                  }
                }
................................................................................
    }

    /// <summary>
    /// Throw an error if the datareader is closed
    /// </summary>
    private void CheckClosed()
    {



      if (_command == null)
        throw new InvalidOperationException("DataReader has been closed");

      if (_version == 0)
        throw new SQLiteException((int)SQLiteErrorCode.Abort, "Execution was aborted by the user");

      if (_command.Connection.State != ConnectionState.Open || _command.Connection._version != _version)








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    private CommandBehavior _commandBehavior;

    /// <summary>
    /// If set, then dispose of the command object when the reader is finished
    /// </summary>
    internal bool _disposeCommand;

    /// <summary>
    /// If set, then raise an exception when the object is accessed after being disposed.
    /// </summary>
    internal bool _throwOnDisposed;

    /// <summary>
    /// If set, then the object is currently being disposed.
    /// </summary>
    internal bool _disposing;

    /// <summary>
    /// An array of rowid's for the active statement if CommandBehavior.KeyInfo is specified
    /// </summary>
    private SQLiteKeyReader _keyInfo;

    internal long _version; // Matches the version of the connection

................................................................................
    /// <summary>
    /// Internal constructor, initializes the datareader and sets up to begin executing statements
    /// </summary>
    /// <param name="cmd">The SQLiteCommand this data reader is for</param>
    /// <param name="behave">The expected behavior of the data reader</param>
    internal SQLiteDataReader(SQLiteCommand cmd, CommandBehavior behave)
    {
      _throwOnDisposed = true;
      _command = cmd;
      _version = _command.Connection._version;

      _commandBehavior = behave;
      _activeStatementIndex = -1;
      _rowsAffected = -1;

................................................................................
        NextResult();
    }

    internal void Cancel()
    {
      _version = 0;
    }

    /// <summary>
    /// Dispose of all resources used by this datareader.
    /// </summary>
    /// <param name="disposing"></param>
    protected override void Dispose(bool disposing)
    {
        //
        // NOTE: Fix for ticket [e1b2e0f769], do NOT throw exceptions while we
        //       are being disposed.
        //
        _disposing = true;
        _throwOnDisposed = false;

        base.Dispose(disposing);
    }

    /// <summary>
    /// Closes the datareader, potentially closing the connection as well if CommandBehavior.CloseConnection was specified.
    /// </summary>
    public override void Close()
    {
      try
................................................................................
        if (_command != null)
        {
          try
          {
            try
            {
              // Make sure we've not been canceled
              if (!_disposing && (_version != 0))
              {
                try
                {
                  while (NextResult())
                  {
                  }
                }
................................................................................
    }

    /// <summary>
    /// Throw an error if the datareader is closed
    /// </summary>
    private void CheckClosed()
    {
      if (!_throwOnDisposed)
        return;

      if (_command == null)
        throw new InvalidOperationException("DataReader has been closed");

      if (_version == 0)
        throw new SQLiteException((int)SQLiteErrorCode.Abort, "Execution was aborted by the user");

      if (_command.Connection.State != ConnectionState.Open || _command.Connection._version != _version)

Changes to Tests/tkt-e1b2e0f769.eagle. 
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                  //       return the empty list.  In this case,  an exception
                  //       will be raised when exiting the using block for the
                  //       data reader because we are closing the connection out
                  //       from underneath it.
                  //
                  if (!dataReader.HasRows)
                  {







                    connection.Close();
                    return result;
                  }

                  while (dataReader.Read())
                  {
                    result.Add((long?) dataReader\[0\]);
................................................................................
  cleanupDb $fileName

  unset -nocomplain result2 result1 code results errors sql table dataSource \
      id x db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA System.Data.SQLite} -match regexp \
-result {^Ok System#CodeDom#Compiler#CompilerResults#\d+ \{\} 0 3 Ok\
System#CodeDom#Compiler#CompilerResults#\d+ \{\} 1 \{.* Connection was closed,\
statement was terminated\s.*\}$}}

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

runTestEpilogue








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                  //       return the empty list.  In this case,  an exception
                  //       will be raised when exiting the using block for the
                  //       data reader because we are closing the connection out
                  //       from underneath it.
                  //
                  if (!dataReader.HasRows)
                  {
                    //
                    // NOTE: Closing the connection here caused an exception to
                    //       be raised when exiting the using block for the data
                    //       reader (below) because the Dispose method for the
                    //       data reader calls the Close method, which always
                    //       assumed the underlying connection was still open.
                    //
                    connection.Close();
                    return result;
                  }

                  while (dataReader.Read())
                  {
                    result.Add((long?) dataReader\[0\]);
................................................................................
  cleanupDb $fileName

  unset -nocomplain result2 result1 code results errors sql table dataSource \
      id x db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA System.Data.SQLite} -match regexp \
-result {^Ok System#CodeDom#Compiler#CompilerResults#\d+ \{\} 0 3 Ok\
System#CodeDom#Compiler#CompilerResults#\d+ \{\} 0 0$}}


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

runTestEpilogue

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