System.Data.SQLite

Check-in [69f6030c7f]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Fire notification events before a connection is opened or closed. Enhance documentation comments to that include references. Workaround issue in NDoc3 to allow project reference links to be resolved correctly.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 69f6030c7fec9974bebb86d0889c5ca74940c55b
User & Date: mistachkin 2012-09-20 02:39:00.742
Context
2012-09-20
11:53
Allow opened connections to skip adding the extension functions included in the interop assembly. Support loading of SQLite extensions. Add more notifications that use the new static Changed event. Miscellaneous comment cleanup. Cleanup usage of compile-time options for the .NET Framework version. Fix argument checking for the batch file tools. check-in: 5759e099be user: mistachkin tags: trunk
02:39
Fire notification events before a connection is opened or closed. Enhance documentation comments to that include references. Workaround issue in NDoc3 to allow project reference links to be resolved correctly. check-in: 69f6030c7f user: mistachkin tags: trunk
00:50
Remove suppression for warning 4703 from the source code and add it to the property files. check-in: cdb73c1d3f user: mistachkin tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to Doc/buildChm.tcl.
34
35
36
37
38
39
40
41

42
43
44
45
46
47











































48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
}

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>}







|
>





|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>









|







34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
}

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
}

#
# NOTE: Build the name of the NDoc project file.
#
set projectFile [file join $path SQLite.NET.ndoc]

if {![file exists $projectFile]} then {
  puts stdout "Cannot find NDoc3 project file: $projectFile"
  exit 1
}

#
# NOTE: Extract the name of the XML doc file that will be used to build
#       the final CHM file from the NDoc project file.
#
set data [readFile $projectFile]

if {[string length $data] == 0} then {
  puts stdout "NDoc3 project file contains no data: $projectFile"
  exit 1
}

if {![regexp -- { documentation="(.*?)" } $data dummy xmlDocFile]} then {
  puts stdout "Cannot find XML doc file name in NDoc3 project file:\
               $projectFile"
  exit 1
}

if {[string length $xmlDocFile] == 0 || ![file exists $xmlDocFile]} then {
  puts stdout "Cannot find XML doc file: $xmlDocFile"
  exit 1
}

set data [readFile $xmlDocFile]
set pattern { cref="([A-Z]):System\.Data\.SQLite\.}
set count [regsub -all -- $pattern $data { cref="\1:system.Data.SQLite.} data]

if {$count > 0} then {
  writeFile $xmlDocFile $data
} else {
  puts stdout "*WARNING* File \"$xmlDocFile\" does not match: $pattern"
}

#
# 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 $projectFile]"} 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>}
73
74
75
76
77
78
79
80

81
82
83
84
85
86
87
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]








|
>







117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
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]

122
123
124
125
126
127
128
129

# 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








|
>
167
168
169
170
171
172
173
174
175
# 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 System.Data.SQLite/SQLiteConnection.cs.
13
14
15
16
17
18
19


20


























































21
22
23
24
25
26
27
28
29
30
31
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Globalization;
  using System.ComponentModel;
  using System.Runtime.InteropServices;
  using System.IO;



  /// <summary>


























































  /// SQLite implentation of DbConnection.
  /// </summary>
  /// <remarks>
  /// The <see cref="ConnectionString">ConnectionString</see> property of the SQLiteConnection class can contain the following parameter(s), delimited with a semi-colon:
  /// <list type="table">
  /// <listheader>
  /// <term>Parameter</term>
  /// <term>Values</term>
  /// <term>Required</term>
  /// <term>Default</term>
  /// </listheader>







>
>

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>



|







13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Globalization;
  using System.ComponentModel;
  using System.Runtime.InteropServices;
  using System.IO;

  /////////////////////////////////////////////////////////////////////////////////////////////////

  /// <summary>
  /// Event data for connection event handlers.
  /// </summary>
  public class ConnectionEventArgs : EventArgs
  {
      /// <summary>
      /// The type of event being raised.
      /// </summary>
      public readonly SQLiteConnectionEventType EventType;

      /// <summary>
      /// The <see cref="StateChangeEventArgs" /> associated with this event, if any.
      /// </summary>
      public readonly StateChangeEventArgs EventArgs;

      /// <summary>
      /// Command or message text associated with this event, if any.
      /// </summary>
      public readonly string Text;

      /// <summary>
      /// Extra data associated with this event, if any.
      /// </summary>
      public readonly object Data;

      /// <summary>
      /// Constructs the object.
      /// </summary>
      /// <param name="eventType">The type of event being raised.</param>
      /// <param name="eventArgs">The base <see cref="EventArgs" /> associated
      /// with this event, if any.</param>
      /// <param name="text">The command or message text, if any.</param>
      /// <param name="data">The extra data, if any.</param>
      internal ConnectionEventArgs(
          SQLiteConnectionEventType eventType,
          StateChangeEventArgs eventArgs,
          string text,
          object data
          )
      {
          EventType = eventType;
          EventArgs = eventArgs;
          Text = text;
          Data = data;
      }
  }

  /////////////////////////////////////////////////////////////////////////////////////////////////

  /// <summary>
  /// Raised when an event pertaining to a connection occurs.
  /// </summary>
  /// <param name="sender">The connection involved.</param>
  /// <param name="e">Extra information about the event.</param>
  public delegate void SQLiteConnectionEventHandler(object sender, ConnectionEventArgs e);

  /////////////////////////////////////////////////////////////////////////////////////////////////

  /// <summary>
  /// SQLite implentation of DbConnection.
  /// </summary>
  /// <remarks>
  /// The <see cref="ConnectionString" /> property can contain the following parameter(s), delimited with a semi-colon:
  /// <list type="table">
  /// <listheader>
  /// <term>Parameter</term>
  /// <term>Values</term>
  /// <term>Required</term>
  /// <term>Default</term>
  /// </listheader>
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
  /// <description>Foreign Keys</description>
  /// <description>Enable foreign key constraints</description>
  /// <description>N</description>
  /// <description>False</description>
  /// </item>
  /// <item>
  /// <description>Flags</description>
  /// <description>Extra behavioral flags for the connection.  See the SQLiteConnectionFlags enumeration for possible values.</description>
  /// <description>N</description>
  /// <description>Default</description>
  /// </item>
  /// <item>
  /// <description>SetDefaults</description>
  /// <description>
  /// <b>True</b> - Apply the default connection settings to the opened database.<br/>







|







229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
  /// <description>Foreign Keys</description>
  /// <description>Enable foreign key constraints</description>
  /// <description>N</description>
  /// <description>False</description>
  /// </item>
  /// <item>
  /// <description>Flags</description>
  /// <description>Extra behavioral flags for the connection.  See the <see cref="SQLiteConnectionFlags" /> enumeration for possible values.</description>
  /// <description>N</description>
  /// <description>Default</description>
  /// </item>
  /// <item>
  /// <description>SetDefaults</description>
  /// <description>
  /// <b>True</b> - Apply the default connection settings to the opened database.<br/>
195
196
197
198
199
200
201

202
203
204
205
206
207
208
  /// <description>N</description>
  /// <description>True</description>
  /// </item>
  /// </list>
  /// </remarks>
  public sealed partial class SQLiteConnection : DbConnection, ICloneable
  {

    /// <summary>
    /// The default "stub" (i.e. placeholder) base schema name to use when
    /// returning column schema information.  Used as the initial value of
    /// the BaseSchemaName property.  This should start with "sqlite_*"
    /// because those names are reserved for use by SQLite (i.e. they cannot
    /// be confused with the names of user objects).
    /// </summary>







>







255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
  /// <description>N</description>
  /// <description>True</description>
  /// </item>
  /// </list>
  /// </remarks>
  public sealed partial class SQLiteConnection : DbConnection, ICloneable
  {
    #region Private Constants
    /// <summary>
    /// The default "stub" (i.e. placeholder) base schema name to use when
    /// returning column schema information.  Used as the initial value of
    /// the BaseSchemaName property.  This should start with "sqlite_*"
    /// because those names are reserved for use by SQLite (i.e. they cannot
    /// be confused with the names of user objects).
    /// </summary>
238
239
240
241
242
243
244

245


















246
247
248
249
250
251
252
    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";




















    /// <summary>
    /// State of the current connection
    /// </summary>
    private ConnectionState _connectionState;
    /// <summary>
    /// The connection string
    /// </summary>







>

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
    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

    ///////////////////////////////////////////////////////////////////////////////////////////////

    #region Private Static Data
    /// <summary>
    /// Object used to synchronize access to the static instance data
    /// for this class.
    /// </summary>
    private static object _syncRoot = new object();

    /// <summary>
    /// Static variable to store the connection event handlers to call.
    /// </summary>
    private static event SQLiteConnectionEventHandler _handlers;
    #endregion

    ///////////////////////////////////////////////////////////////////////////////////////////////

    #region Private Data
    /// <summary>
    /// State of the current connection
    /// </summary>
    private ConnectionState _connectionState;
    /// <summary>
    /// The connection string
    /// </summary>
287
288
289
290
291
292
293

294
295
296
297
298
299
300
301
    /// The "stub" (i.e. placeholder) base schema name to use when returning
    /// column schema information.
    /// </summary>
    internal string _baseSchemaName;

    /// <summary>
    /// The extra behavioral flags for this connection, if any.  See the

    /// SQLiteConnectionFlags enumeration for a list of possible values.
    /// </summary>
    private SQLiteConnectionFlags _flags;

    /// <summary>
    /// Default command timeout
    /// </summary>
    private int _defaultTimeout = 30;







>
|







367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
    /// The "stub" (i.e. placeholder) base schema name to use when returning
    /// column schema information.
    /// </summary>
    internal string _baseSchemaName;

    /// <summary>
    /// The extra behavioral flags for this connection, if any.  See the
    /// <see cref="SQLiteConnectionFlags" /> enumeration for a list of
    /// possible values.
    /// </summary>
    private SQLiteConnectionFlags _flags;

    /// <summary>
    /// Default command timeout
    /// </summary>
    private int _defaultTimeout = 30;
309
310
311
312
313
314
315



316
317
318
319
320


321
322
323
324
325
326
327
    private event SQLiteTraceEventHandler _traceHandler;
    private event EventHandler _rollbackHandler;

    private SQLiteUpdateCallback _updateCallback;
    private SQLiteCommitCallback _commitCallback;
    private SQLiteTraceCallback _traceCallback;
    private SQLiteRollbackCallback _rollbackCallback;




    /// <summary>
    /// This event is raised whenever the database is opened or closed.
    /// </summary>
    public override event StateChangeEventHandler StateChange;



    ///<overloads>
    /// Constructs a new SQLiteConnection object
    /// </overloads>
    /// <summary>
    /// Default constructor
    /// </summary>







>
>
>





>
>







390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
    private event SQLiteTraceEventHandler _traceHandler;
    private event EventHandler _rollbackHandler;

    private SQLiteUpdateCallback _updateCallback;
    private SQLiteCommitCallback _commitCallback;
    private SQLiteTraceCallback _traceCallback;
    private SQLiteRollbackCallback _rollbackCallback;
    #endregion

    ///////////////////////////////////////////////////////////////////////////////////////////////

    /// <summary>
    /// This event is raised whenever the database is opened or closed.
    /// </summary>
    public override event StateChangeEventHandler StateChange;

    ///////////////////////////////////////////////////////////////////////////////////////////////

    ///<overloads>
    /// Constructs a new SQLiteConnection object
    /// </overloads>
    /// <summary>
    /// Default constructor
    /// </summary>
383
384
385
386
387
388
389
































































390
391
392
393
394
395
396
                cmd.ExecuteNonQuery();
              }
            }
          }
        }
      }
    }

































































    ///////////////////////////////////////////////////////////////////////////////////////////////

    #region Backup API Members
    /// <summary>
    /// Backs up the database, using the specified database connection as the
    /// destination.







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
                cmd.ExecuteNonQuery();
              }
            }
          }
        }
      }
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    /// <summary>
    /// Raises the <see cref="Changed" /> event.
    /// </summary>
    /// <param name="connection">
    /// The connection associated with this event.
    /// </param>
    /// <param name="e">
    /// A <see cref="ConnectionEventArgs" /> that contains the event data.
    /// </param>
    public static void OnChanged(
        SQLiteConnection connection,
        ConnectionEventArgs e
        )
    {
        if (connection == null)
            return;

#if !PLATFORM_COMPACTFRAMEWORK
        if (!connection.CanRaiseEvents)
            return;
#endif

        SQLiteConnectionEventHandler handlers;

        lock (_syncRoot)
        {
            handlers = _handlers;
        }

        if (handlers != null) handlers(connection, e);
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    /// <summary>
    /// This event is raised when events related to the lifecycle of a
    /// SQLiteConnection object occur.
    /// </summary>
    public static event SQLiteConnectionEventHandler Changed
    {
        add
        {
            lock (_syncRoot)
            {
                // Remove any copies of this event handler from registered
                // list.  This essentially means that a handler will be
                // called only once no matter how many times it is added.
                _handlers -= value;

                // Add this to the list of event handlers.
                _handlers += value;
            }
        }
        remove
        {
            lock (_syncRoot)
            {
                _handlers -= value;
            }
        }
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    #region Backup API Members
    /// <summary>
    /// Backs up the database, using the specified database connection as the
    /// destination.
616
617
618
619
620
621
622
623




624



625
626

627
628
629
630

631

632
633


634
635
636
637
638
639
640
      FileStream fs = File.Create(databaseFileName);
      fs.Close();
    }

    /// <summary>
    /// Raises the state change event when the state of the connection changes
    /// </summary>
    /// <param name="newState">The new state.  If it is different from the previous state, an event is raised.</param>




    internal void OnStateChange(ConnectionState newState)



    {
      ConnectionState oldState = _connectionState;

      _connectionState = newState;

      if (StateChange != null && oldState != newState)
      {

        StateChangeEventArgs e = new StateChangeEventArgs(oldState, newState);

        StateChange(this, e);
      }


    }

    /// <summary>
    /// OBSOLETE.  Creates a new SQLiteTransaction if one isn't already active on the connection.
    /// </summary>
    /// <param name="isolationLevel">This parameter is ignored.</param>
    /// <param name="deferredLock">When TRUE, SQLite defers obtaining a write lock until a write operation is requested.







|
>
>
>
>
|
>
>
>

|
>
|

|
|
>
|
>
|
|
>
>







766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
      FileStream fs = File.Create(databaseFileName);
      fs.Close();
    }

    /// <summary>
    /// Raises the state change event when the state of the connection changes
    /// </summary>
    /// <param name="newState">The new connection state.  If this is different
    /// from the previous state, the <see cref="StateChange" /> event is
    /// raised.</param>
    /// <param name="eventArgs">The event data created for the raised event, if
    /// it was actually raised.</param>
    internal void OnStateChange(
        ConnectionState newState,
        ref StateChangeEventArgs eventArgs
        )
    {
        ConnectionState oldState = _connectionState;

        _connectionState = newState;

        if ((StateChange != null) && (newState != oldState))
        {
            StateChangeEventArgs localEventArgs =
                new StateChangeEventArgs(oldState, newState);

            StateChange(this, localEventArgs);

            eventArgs = localEventArgs;
        }
    }

    /// <summary>
    /// OBSOLETE.  Creates a new SQLiteTransaction if one isn't already active on the connection.
    /// </summary>
    /// <param name="isolationLevel">This parameter is ignored.</param>
    /// <param name="deferredLock">When TRUE, SQLite defers obtaining a write lock until a write operation is requested.
723
724
725
726
727
728
729



730
731
732
733
734
735
736
    /// <summary>
    /// When the database connection is closed, all commands linked to this connection are automatically reset.
    /// </summary>
    public override void Close()
    {
      CheckDisposed();




      if (_sql != null)
      {
#if !PLATFORM_COMPACTFRAMEWORK
        if (_enlistment != null)
        {
          // If the connection is enlisted in a transaction scope and the scope is still active,
          // we cannot truly shut down this connection until the scope has completed.  Therefore make a







>
>
>







885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
    /// <summary>
    /// When the database connection is closed, all commands linked to this connection are automatically reset.
    /// </summary>
    public override void Close()
    {
      CheckDisposed();

      OnChanged(this, new ConnectionEventArgs(
          SQLiteConnectionEventType.Closing, null, null, null));

      if (_sql != null)
      {
#if !PLATFORM_COMPACTFRAMEWORK
        if (_enlistment != null)
        {
          // If the connection is enlisted in a transaction scope and the scope is still active,
          // we cannot truly shut down this connection until the scope has completed.  Therefore make a
752
753
754
755
756
757
758


759



760
761
762
763
764
765
766
        if (_sql != null)
        {
          _sql.Close();
          _sql = null;
        }
        _transactionLevel = 0;
      }


      OnStateChange(ConnectionState.Closed);



    }

    /// <summary>
    /// Returns the number of pool entries for the file name associated with this connection.
    /// </summary>
    public int PoolCount
    {







>
>
|
>
>
>







917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
        if (_sql != null)
        {
          _sql.Close();
          _sql = null;
        }
        _transactionLevel = 0;
      }

      StateChangeEventArgs eventArgs = null;
      OnStateChange(ConnectionState.Closed, ref eventArgs);

      OnChanged(this, new ConnectionEventArgs(
          SQLiteConnectionEventType.Closed, eventArgs, null, null));
    }

    /// <summary>
    /// Returns the number of pool entries for the file name associated with this connection.
    /// </summary>
    public int PoolCount
    {
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
    /// <description>Foreign Keys</description>
    /// <description>Enable foreign key constraints</description>
    /// <description>N</description>
    /// <description>False</description>
    /// </item>
    /// <item>
    /// <description>Flags</description>
    /// <description>Extra behavioral flags for the connection.  See the SQLiteConnectionFlags enumeration for possible values.</description>
    /// <description>N</description>
    /// <description>Default</description>
    /// </item>
    /// <item>
    /// <description>SetDefaults</description>
    /// <description>
    /// <b>True</b> - Apply the default connection settings to the opened database.<br/>







|







1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
    /// <description>Foreign Keys</description>
    /// <description>Enable foreign key constraints</description>
    /// <description>N</description>
    /// <description>False</description>
    /// </item>
    /// <item>
    /// <description>Flags</description>
    /// <description>Extra behavioral flags for the connection.  See the <see cref="SQLiteConnectionFlags" /> enumeration for possible values.</description>
    /// <description>N</description>
    /// <description>Default</description>
    /// </item>
    /// <item>
    /// <description>SetDefaults</description>
    /// <description>
    /// <b>True</b> - Apply the default connection settings to the opened database.<br/>
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157



1158
1159
1160
1161
1162
1163
1164
            // do nothing.
        }

        return null;
    }

    /// <summary>
    /// Opens the connection using the parameters found in the <see cref="ConnectionString">ConnectionString</see>
    /// </summary>
    public override void Open()
    {
      CheckDisposed();




      if (_connectionState != ConnectionState.Closed)
        throw new InvalidOperationException();

      Close();

      SortedList<string, string> opts = ParseConnectionString(_connectionString);








|





>
>
>







1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
            // do nothing.
        }

        return null;
    }

    /// <summary>
    /// Opens the connection using the parameters found in the <see cref="ConnectionString" />.
    /// </summary>
    public override void Open()
    {
      CheckDisposed();

      OnChanged(this, new ConnectionEventArgs(
          SQLiteConnectionEventType.Opening, null, null, null));

      if (_connectionState != ConnectionState.Closed)
        throw new InvalidOperationException();

      Close();

      SortedList<string, string> opts = ParseConnectionString(_connectionString);

1387
1388
1389
1390
1391
1392
1393


1394



1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430

1431
1432
1433
1434
1435
1436
1437
1438
              SQLiteConvert.ToBoolean(FindKey(opts, "Enlist", DefaultEnlist.ToString())))
          {
              EnlistTransaction(transaction);
          }
#endif

          _connectionState = oldstate;


          OnStateChange(ConnectionState.Open);



        }
        catch
        {
          _connectionState = oldstate;
          throw;
        }
      }
      catch (SQLiteException)
      {
        Close();
        throw;
      }
    }

    /// <summary>
    /// Opens the connection using the parameters found in the <see cref="ConnectionString">ConnectionString</see> and then returns it.
    /// </summary>
    /// <returns>The current connection object.</returns>
    public SQLiteConnection OpenAndReturn()
    {
        CheckDisposed(); Open(); return this;
    }

    /// <summary>
    /// Gets/sets the default command timeout for newly-created commands.  This is especially useful for
    /// commands used internally such as inside a SQLiteTransaction, where setting the timeout is not possible.
    /// This can also be set in the ConnectionString with "Default Timeout"
    /// </summary>
    public int DefaultTimeout
    {
      get { CheckDisposed(); return _defaultTimeout; }
      set { CheckDisposed(); _defaultTimeout = value; }
    }

    /// <summary>
    /// Gets/sets the extra behavioral flags for this connection.  See the

    /// SQLiteConnectionFlags enumeration for a list of possible values.
    /// </summary>
    public SQLiteConnectionFlags Flags
    {
      get { CheckDisposed(); return _flags; }
      set { CheckDisposed(); _flags = value; }
    }








>
>
|
>
>
>















|




















>
|







1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
              SQLiteConvert.ToBoolean(FindKey(opts, "Enlist", DefaultEnlist.ToString())))
          {
              EnlistTransaction(transaction);
          }
#endif

          _connectionState = oldstate;

          StateChangeEventArgs eventArgs = null;
          OnStateChange(ConnectionState.Open, ref eventArgs);

          OnChanged(this, new ConnectionEventArgs(
              SQLiteConnectionEventType.Opened, eventArgs, null, null));
        }
        catch
        {
          _connectionState = oldstate;
          throw;
        }
      }
      catch (SQLiteException)
      {
        Close();
        throw;
      }
    }

    /// <summary>
    /// Opens the connection using the parameters found in the <see cref="ConnectionString" /> and then returns it.
    /// </summary>
    /// <returns>The current connection object.</returns>
    public SQLiteConnection OpenAndReturn()
    {
        CheckDisposed(); Open(); return this;
    }

    /// <summary>
    /// Gets/sets the default command timeout for newly-created commands.  This is especially useful for
    /// commands used internally such as inside a SQLiteTransaction, where setting the timeout is not possible.
    /// This can also be set in the ConnectionString with "Default Timeout"
    /// </summary>
    public int DefaultTimeout
    {
      get { CheckDisposed(); return _defaultTimeout; }
      set { CheckDisposed(); _defaultTimeout = value; }
    }

    /// <summary>
    /// Gets/sets the extra behavioral flags for this connection.  See the
    /// <see cref="SQLiteConnectionFlags" /> enumeration for a list of
    /// possible values.
    /// </summary>
    public SQLiteConnectionFlags Flags
    {
      get { CheckDisposed(); return _flags; }
      set { CheckDisposed(); _flags = value; }
    }

Changes to System.Data.SQLite/SQLiteConvert.cs.
981
982
983
984
985
986
987







































988
989
990
991
992
993
994
    /// </summary>
    DateTime = 10,
    /// <summary>
    /// Used internally
    /// </summary>
    None = 11,
  }








































  /// <summary>
  /// This implementation of SQLite for ADO.NET can process date/time fields in databases in only one of three formats.  Ticks, ISO8601
  /// and JulianDay.
  /// </summary>
  /// <remarks>
  /// ISO8601 is more compatible, readable, fully-processable, but less accurate as it doesn't provide time down to fractions of a second.







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







981
982
983
984
985
986
987
988
989
990
991
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
1029
1030
1031
1032
1033
    /// </summary>
    DateTime = 10,
    /// <summary>
    /// Used internally
    /// </summary>
    None = 11,
  }

  /// <summary>
  /// These are the event types associated with the
  /// <see cref="SQLiteConnectionEventHandler" />
  /// delegate (and its corresponding event) and the
  /// <see cref="ConnectionEventArgs" /> class.
  /// </summary>
  public enum SQLiteConnectionEventType
  {
      /// <summary>
      /// Not used.
      /// </summary>
      Invalid = -1,

      /// <summary>
      /// Not used.
      /// </summary>
      Unknown = 0,

      /// <summary>
      /// The connection is being opened.
      /// </summary>
      Opening = 1,

      /// <summary>
      /// The connection was opened.
      /// </summary>
      Opened = 2,

      /// <summary>
      /// The connection is being closed.
      /// </summary>
      Closing = 3,

      /// <summary>
      /// The connection was closed.
      /// </summary>
      Closed = 4
  }

  /// <summary>
  /// This implementation of SQLite for ADO.NET can process date/time fields in databases in only one of three formats.  Ticks, ISO8601
  /// and JulianDay.
  /// </summary>
  /// <remarks>
  /// ISO8601 is more compatible, readable, fully-processable, but less accurate as it doesn't provide time down to fractions of a second.
Changes to System.Data.SQLite/SQLiteLog.cs.
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
    /// <summary>
    /// Event data for logging event handlers.
    /// </summary>
    public class LogEventArgs : EventArgs
    {
        /// <summary>
        /// The error code.  The type of this object value should be
        /// System.Int32 or SQLiteErrorCode.
        /// </summary>
        public readonly object ErrorCode;

        /// <summary>
        /// SQL statement text as the statement first begins executing
        /// </summary>
        public readonly string Message;

        /// <summary>
        /// Extra data associated with this event, if any.
        /// </summary>
        public readonly object Data;

        /// <summary>
        /// Constructs the LogEventArgs object.
        /// </summary>
        /// <param name="pUserData">Should be null.</param>
        /// <param name="errorCode">
        /// The error code.  The type of this object value should be
        /// System.Int32 or SQLiteErrorCode.
        /// </param>
        /// <param name="message">The error message, if any.</param>
        /// <param name="data">The extra data, if any.</param>
        internal LogEventArgs(
            IntPtr pUserData,
            object errorCode,
            string message,







|














|




|







14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
    /// <summary>
    /// Event data for logging event handlers.
    /// </summary>
    public class LogEventArgs : EventArgs
    {
        /// <summary>
        /// The error code.  The type of this object value should be
        /// <see cref="Int32" /> or <see cref="SQLiteErrorCode" />.
        /// </summary>
        public readonly object ErrorCode;

        /// <summary>
        /// SQL statement text as the statement first begins executing
        /// </summary>
        public readonly string Message;

        /// <summary>
        /// Extra data associated with this event, if any.
        /// </summary>
        public readonly object Data;

        /// <summary>
        /// Constructs the object.
        /// </summary>
        /// <param name="pUserData">Should be null.</param>
        /// <param name="errorCode">
        /// The error code.  The type of this object value should be
        /// <see cref="Int32" /> or <see cref="SQLiteErrorCode" />.
        /// </param>
        /// <param name="message">The error message, if any.</param>
        /// <param name="data">The extra data, if any.</param>
        internal LogEventArgs(
            IntPtr pUserData,
            object errorCode,
            string message,