System.Data.SQLite

Check-in [c4fb95f1eb]
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Overview
Comment:Incomplete work in progress on stream adapter object lifetime fixes.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | sessionStreamManager
Files: files | file ages | folders
SHA1: c4fb95f1eb9275fc36d7f08b5dcc6dfc331e89e5
User & Date: mistachkin 2017-10-12 22:27:05.161
Context
2017-10-13
16:47
Further adjustments. check-in: fc3f62b4be user: mistachkin tags: sessionStreamManager
2017-10-12
22:27
Incomplete work in progress on stream adapter object lifetime fixes. check-in: c4fb95f1eb user: mistachkin tags: sessionStreamManager
20:04
Add stream tests for the CombineWith and Apply methods. check-in: cce9d5de83 user: mistachkin tags: sessions
Changes
Unified Diff Ignore Whitespace Patch
Changes to System.Data.SQLite/SQLiteSession.cs.
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    ///////////////////////////////////////////////////////////////////////////

    #region SQLiteStreamChangeSetIterator Class
    internal sealed class SQLiteStreamChangeSetIterator :
        SQLiteChangeSetIterator
    {






        #region Private Constructors
        private SQLiteStreamChangeSetIterator(

            IntPtr iterator,
            bool ownHandle
            )
            : base(iterator, ownHandle)
        {
            // do nothing.
        }
        #endregion

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

        #region Static "Factory" Methods
        public static SQLiteStreamChangeSetIterator Create(
            Stream stream,
            SQLiteConnectionFlags flags
            )
        {
            if (stream == null)
                throw new ArgumentNullException("stream");


            SQLiteStreamChangeSetIterator result = null;
            IntPtr iterator = IntPtr.Zero;

            try
            {


                SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_start_strm(
                    ref iterator, new SQLiteStreamAdapter(stream, flags).xInput,
                    IntPtr.Zero);

                if (rc != SQLiteErrorCode.Ok)

                    throw new SQLiteException(rc, "sqlite3changeset_start_strm");



                result = new SQLiteStreamChangeSetIterator(iterator, true);

            }
            finally
            {
                if (result == null)
                {
                    if (iterator != IntPtr.Zero)
                    {
                        UnsafeNativeMethods.sqlite3changeset_finalize(
                            iterator);

                        iterator = IntPtr.Zero;
                    }






                }
            }

            return result;
        }
        #endregion








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

    #region SQLiteStreamChangeSetIterator Class
    internal sealed class SQLiteStreamChangeSetIterator :
        SQLiteChangeSetIterator
    {
        #region Private Data
        private SQLiteStreamAdapter streamAdapter;
        #endregion

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

        #region Private Constructors
        private SQLiteStreamChangeSetIterator(
            SQLiteStreamAdapter streamAdapter,
            IntPtr iterator,
            bool ownHandle
            )
            : base(iterator, ownHandle)
        {
            this.streamAdapter = streamAdapter;
        }
        #endregion

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

        #region Static "Factory" Methods
        public static SQLiteStreamChangeSetIterator Create(
            Stream stream,
            SQLiteConnectionFlags flags
            )
        {
            if (stream == null)
                throw new ArgumentNullException("stream");

            SQLiteStreamAdapter streamAdapter = null;
            SQLiteStreamChangeSetIterator result = null;
            IntPtr iterator = IntPtr.Zero;

            try
            {
                streamAdapter = new SQLiteStreamAdapter(stream, flags);

                SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_start_strm(

                    ref iterator, streamAdapter.xInput, IntPtr.Zero);

                if (rc != SQLiteErrorCode.Ok)
                {
                    throw new SQLiteException(
                        rc, "sqlite3changeset_start_strm");
                }

                result = new SQLiteStreamChangeSetIterator(
                    streamAdapter, iterator, true);
            }
            finally
            {
                if (result == null)
                {
                    if (iterator != IntPtr.Zero)
                    {
                        UnsafeNativeMethods.sqlite3changeset_finalize(
                            iterator);

                        iterator = IntPtr.Zero;
                    }

                    if (streamAdapter != null)
                    {
                        streamAdapter.Dispose();
                        streamAdapter = null;
                    }
                }
            }

            return result;
        }
        #endregion

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            return flags;
        }
        #endregion

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

        #region Native Callback Methods
        internal SQLiteErrorCode xInput(
            IntPtr context,
            IntPtr pData,
            ref int nData
            )
        {


            try
            {
                Stream localStream = Interlocked.CompareExchange(
                    ref stream, null, null);

                if (localStream == null)
                    return SQLiteErrorCode.Misuse;

                if (nData > 0)
                {
                    byte[] bytes = new byte[nData];


                    nData = localStream.Read(bytes, 0, nData);

                    if (nData > 0)
                        Marshal.Copy(bytes, 0, pData, nData);



                }

                return SQLiteErrorCode.Ok;
            }
            catch (Exception e)
            {
                try







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            return flags;
        }
        #endregion

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

        #region Native Callback Methods
        public SQLiteErrorCode xInput(
            IntPtr context,
            IntPtr pData,
            ref int nData
            )
        {
            CheckDisposed();

            try
            {
                Stream localStream = Interlocked.CompareExchange(
                    ref stream, null, null);

                if (localStream == null)
                    return SQLiteErrorCode.Misuse;

                if (nData > 0)
                {
                    byte[] bytes = new byte[nData];
                    int nRead = localStream.Read(bytes, 0, nData);

                    if (nRead > 0)
                    {
                        if (pData != IntPtr.Zero)
                            Marshal.Copy(bytes, 0, pData, nRead);

                        nData = nRead;
                    }
                }

                return SQLiteErrorCode.Ok;
            }
            catch (Exception e)
            {
                try
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            }

            return SQLiteErrorCode.IoErr_Read;
        }

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

        internal SQLiteErrorCode xOutput(
            IntPtr context,
            IntPtr pData,
            int nData
            )
        {


            try
            {
                Stream localStream = Interlocked.CompareExchange(
                    ref stream, null, null);

                if (localStream == null)
                    return SQLiteErrorCode.Misuse;

                if (nData > 0)
                {
                    byte[] bytes = new byte[nData];


                    Marshal.Copy(pData, bytes, 0, nData);

                    localStream.Write(bytes, 0, nData);
                }

                localStream.Flush();

                return SQLiteErrorCode.Ok;
            }







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            }

            return SQLiteErrorCode.IoErr_Read;
        }

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

        public SQLiteErrorCode xOutput(
            IntPtr context,
            IntPtr pData,
            int nData
            )
        {
            CheckDisposed();

            try
            {
                Stream localStream = Interlocked.CompareExchange(
                    ref stream, null, null);

                if (localStream == null)
                    return SQLiteErrorCode.Misuse;

                if (nData > 0)
                {
                    byte[] bytes = new byte[nData];

                    if (pData != IntPtr.Zero)
                        Marshal.Copy(pData, bytes, 0, nData);

                    localStream.Write(bytes, 0, nData);
                }

                localStream.Flush();

                return SQLiteErrorCode.Ok;
            }
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        ///////////////////////////////////////////////////////////////////////

        private /* protected virtual */ void Dispose(bool disposing)
        {
            try
            {
                //if (!disposed)
                //{

                //    if (disposing)
                //    {

                //        ////////////////////////////////////
                //        // dispose managed resources here...
                //        ////////////////////////////////////
                //    }


                //    //////////////////////////////////////
                //    // release unmanaged resources here...
                //    //////////////////////////////////////
                //}


            }
            finally
            {
                //
                // NOTE: Everything should be fully disposed at this point.
                //
                disposed = true;







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

        private /* protected virtual */ void Dispose(bool disposing)
        {
            try
            {
                if (!disposed)

                {
                    if (disposing)

                    {
                        ////////////////////////////////////
                        // dispose managed resources here...
                        ////////////////////////////////////

                    }

                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////

                    Interlocked.Exchange(ref stream, null); /* NOT OWNED */
                }
            }
            finally
            {
                //
                // NOTE: Everything should be fully disposed at this point.
                //
                disposed = true;
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        }
        #endregion
    }
    #endregion

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






















































































































































    #region SQLiteChangeGroup Class
    internal sealed class SQLiteChangeGroup : ISQLiteChangeGroup
    {
        #region Private Data

        private SQLiteConnectionFlags flags;

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

        private IntPtr changeGroup;
        #endregion

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

        #region Public Constructors
        public SQLiteChangeGroup(
            SQLiteConnectionFlags flags
            )
        {
            this.flags = flags;

            Initialize();
        }
        #endregion

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

        #region Private Methods
        private void CheckHandle()
        {
            if (changeGroup == IntPtr.Zero)
                throw new InvalidOperationException("change group not open");
        }

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

        private void Initialize()
        {
            if (changeGroup != IntPtr.Zero)
                return;

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_new(
                ref changeGroup);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_new");
        }





















        #endregion

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

        #region ISQLiteChangeGroup Members
        public void AddChangeSet(
            byte[] rawData







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        }
        #endregion
    }
    #endregion

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

    #region SQLiteSessionStreamManager Class
    internal sealed class SQLiteSessionStreamManager : IDisposable
    {
        #region Private Data
        private Dictionary<Stream, SQLiteStreamAdapter> streamAdapters;
        private SQLiteConnectionFlags flags;
        #endregion

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

        #region Public Constructors
        public SQLiteSessionStreamManager(
            SQLiteConnectionFlags flags
            )
        {
            this.flags = flags;

            InitializeStreamAdapters();
        }
        #endregion

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

        #region Private Methods
        private void InitializeStreamAdapters()
        {
            if (streamAdapters != null)
                return;

            streamAdapters = new Dictionary<Stream, SQLiteStreamAdapter>();
        }

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

        private void DisposeStreamAdapters()
        {
            if (streamAdapters == null)
                return;

            foreach (KeyValuePair<Stream, SQLiteStreamAdapter> pair
                    in streamAdapters)
            {
                SQLiteStreamAdapter streamAdapter = pair.Value;

                if (streamAdapter == null)
                    continue;

                streamAdapter.Dispose();
            }

            streamAdapters.Clear();
            streamAdapters = null;
        }
        #endregion

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

        #region Public Methods
        public SQLiteStreamAdapter GetAdapter(
            Stream stream
            )
        {
            CheckDisposed();

            if (stream == null)
                return null;

            SQLiteStreamAdapter streamAdapter;

            if (streamAdapters.TryGetValue(stream, out streamAdapter))
                return streamAdapter;

            streamAdapter = new SQLiteStreamAdapter(stream, flags);
            streamAdapters.Add(stream, streamAdapter);

            return streamAdapter;
        }
        #endregion

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

        #region IDisposable Members
        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }
        #endregion

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

        #region IDisposable "Pattern" Members
        private bool disposed;
        private void CheckDisposed() /* throw */
        {
#if THROW_ON_DISPOSED
            if (disposed)
            {
                throw new ObjectDisposedException(
                    typeof(SQLiteSessionStreamManager).Name);
            }
#endif
        }

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

        private /* protected virtual */ void Dispose(bool disposing)
        {
            try
            {
                if (!disposed)
                {
                    if (disposing)
                    {
                        ////////////////////////////////////
                        // dispose managed resources here...
                        ////////////////////////////////////

                        DisposeStreamAdapters();
                    }

                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////
                }
            }
            finally
            {
                //
                // NOTE: Everything should be fully disposed at this point.
                //
                disposed = true;
            }
        }
        #endregion

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

        #region Destructor
        ~SQLiteSessionStreamManager()
        {
            Dispose(false);
        }
        #endregion
    }
    #endregion

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

    #region SQLiteChangeGroup Class
    internal sealed class SQLiteChangeGroup : ISQLiteChangeGroup
    {
        #region Private Data
        private SQLiteSessionStreamManager streamManager;
        private SQLiteConnectionFlags flags;

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

        private IntPtr changeGroup;
        #endregion

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

        #region Public Constructors
        public SQLiteChangeGroup(
            SQLiteConnectionFlags flags
            )
        {
            this.flags = flags;

            InitializeHandle();
        }
        #endregion

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

        #region Private Methods
        private void CheckHandle()
        {
            if (changeGroup == IntPtr.Zero)
                throw new InvalidOperationException("change group not open");
        }

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

        private void InitializeHandle()
        {
            if (changeGroup != IntPtr.Zero)
                return;

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_new(
                ref changeGroup);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_new");
        }

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

        private void InitializeStreamManager()
        {
            if (streamManager != null)
                return;

            streamManager = new SQLiteSessionStreamManager(flags);
        }

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

        private SQLiteStreamAdapter GetStreamAdapter(
            Stream stream
            )
        {
            InitializeStreamManager();

            return streamManager.GetAdapter(stream);
        }
        #endregion

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

        #region ISQLiteChangeGroup Members
        public void AddChangeSet(
            byte[] rawData
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            )
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");









            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_add_strm(
                changeGroup, new SQLiteStreamAdapter(stream, flags).xInput,
                IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_add_strm");
        }

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









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            )
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");

            SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);

            if (streamAdapter == null)
            {
                throw new SQLiteException(
                    "could not get or create adapter for input stream");
            }

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_add_strm(

                changeGroup, streamAdapter.xInput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_add_strm");
        }

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

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            )
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");









            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_output_strm(
                changeGroup, new SQLiteStreamAdapter(stream, flags).xOutput,
                IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_output_strm");
        }
        #endregion

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








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1388

1389
1390
1391
1392
1393
1394
1395
1396
            )
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");

            SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);

            if (streamAdapter == null)
            {
                throw new SQLiteException(
                    "could not get or create adapter for output stream");
            }

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_output_strm(

                changeGroup, streamAdapter.xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changegroup_output_strm");
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230








1231
1232
1233
1234
1235
1236
1237
                {
                    if (disposing)
                    {
                        ////////////////////////////////////
                        // dispose managed resources here...
                        ////////////////////////////////////

                        if (changeGroup != IntPtr.Zero)
                        {
                            UnsafeNativeMethods.sqlite3changegroup_delete(
                                changeGroup);

                            changeGroup = IntPtr.Zero;
                        }
                    }

                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////








                }
            }
            finally
            {
                //
                // NOTE: Everything should be fully disposed at this point.
                //







|

<
<
|
|






>
>
>
>
>
>
>
>







1428
1429
1430
1431
1432
1433
1434
1435
1436


1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
                {
                    if (disposing)
                    {
                        ////////////////////////////////////
                        // dispose managed resources here...
                        ////////////////////////////////////

                        if (streamManager != null)
                        {


                            streamManager.Dispose();
                            streamManager = null;
                        }
                    }

                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////

                    if (changeGroup != IntPtr.Zero)
                    {
                        UnsafeNativeMethods.sqlite3changegroup_delete(
                            changeGroup);

                        changeGroup = IntPtr.Zero;
                    }
                }
            }
            finally
            {
                //
                // NOTE: Everything should be fully disposed at this point.
                //
1253
1254
1255
1256
1257
1258
1259

1260
1261
1262
1263
1264
1265
1266

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

    #region SQLiteSession Class
    internal sealed class SQLiteSession : SQLiteConnectionLock, ISQLiteSession
    {
        #region Private Data

        private string databaseName;

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

        private IntPtr session;

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







>







1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489

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

    #region SQLiteSession Class
    internal sealed class SQLiteSession : SQLiteConnectionLock, ISQLiteSession
    {
        #region Private Data
        private SQLiteSessionStreamManager streamManager;
        private string databaseName;

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

        private IntPtr session;

        ///////////////////////////////////////////////////////////////////////
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
            SQLiteConnectionFlags flags,
            string databaseName
            )
            : base(handle, flags)
        {
            this.databaseName = databaseName;

            Initialize();
        }
        #endregion

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

        #region Private Methods
        private void CheckHandle()
        {
            if (session == IntPtr.Zero)
                throw new InvalidOperationException("session is not open");
        }

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

        private void Initialize()
        {
            if (session != IntPtr.Zero)
                return;

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_create(
                GetIntPtr(), SQLiteString.GetUtf8BytesFromString(databaseName),
                ref session);







|














|







1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
            SQLiteConnectionFlags flags,
            string databaseName
            )
            : base(handle, flags)
        {
            this.databaseName = databaseName;

            InitializeHandle();
        }
        #endregion

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

        #region Private Methods
        private void CheckHandle()
        {
            if (session == IntPtr.Zero)
                throw new InvalidOperationException("session is not open");
        }

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

        private void InitializeHandle()
        {
            if (session != IntPtr.Zero)
                return;

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_create(
                GetIntPtr(), SQLiteString.GetUtf8BytesFromString(databaseName),
                ref session);
1318
1319
1320
1321
1322
1323
1324





















1325
1326
1327
1328
1329
1330
1331
        {
            this.tableFilterCallback = callback;
            this.tableFilterClientData = clientData;

            return (callback != null) ?
                xFilter : (UnsafeNativeMethods.xSessionFilter)null;
        }






















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

        #region Native Callback Methods
        private int xFilter(
            IntPtr context, /* NOT USED */
            IntPtr pTblName







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







1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
        {
            this.tableFilterCallback = callback;
            this.tableFilterClientData = clientData;

            return (callback != null) ?
                xFilter : (UnsafeNativeMethods.xSessionFilter)null;
        }

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

        private void InitializeStreamManager()
        {
            if (streamManager != null)
                return;

            streamManager = new SQLiteSessionStreamManager(GetFlags());
        }

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

        private SQLiteStreamAdapter GetStreamAdapter(
            Stream stream
            )
        {
            InitializeStreamManager();

            return streamManager.GetAdapter(stream);
        }

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

        #region Native Callback Methods
        private int xFilter(
            IntPtr context, /* NOT USED */
            IntPtr pTblName
1503
1504
1505
1506
1507
1508
1509

1510

1511




1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");


            SQLiteConnectionFlags flags = GetFlags();






            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset_strm(
                session, new SQLiteStreamAdapter(stream, flags).xOutput,
                IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3session_changeset_strm");
        }

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








>
|
>
|
>
>
>
>

<
|







1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762

1763
1764
1765
1766
1767
1768
1769
1770
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");

            SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);

            if (streamAdapter == null)
            {
                throw new SQLiteException(
                    "could not get or create adapter for output stream");
            }

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset_strm(

                session, streamAdapter.xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3session_changeset_strm");
        }

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

1558
1559
1560
1561
1562
1563
1564

1565

1566




1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");


            SQLiteConnectionFlags flags = GetFlags();






            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset_strm(
                session, new SQLiteStreamAdapter(stream, flags).xOutput,
                IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3session_patchset_strm");
        }

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








>
|
>
|
>
>
>
>

<
|







1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822

1823
1824
1825
1826
1827
1828
1829
1830
        {
            CheckDisposed();
            CheckHandle();

            if (stream == null)
                throw new ArgumentNullException("stream");

            SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);

            if (streamAdapter == null)
            {
                throw new SQLiteException(
                    "could not get or create adapter for output stream");
            }

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset_strm(

                session, streamAdapter.xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3session_patchset_strm");
        }

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

1643
1644
1645
1646
1647
1648
1649
1650
1651

1652
1653
1654
1655






1656
1657
1658
1659
1660
1661
1662

        protected override void Dispose(bool disposing)
        {
            try
            {
                if (!disposed)
                {
                    //if (disposing)
                    //{

                    //    ////////////////////////////////////
                    //    // dispose managed resources here...
                    //    ////////////////////////////////////
                    //}







                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////

                    if (session != IntPtr.Zero)
                    {







|
<
>
|
|
|
|
>
>
>
>
>
>







1897
1898
1899
1900
1901
1902
1903
1904

1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922

        protected override void Dispose(bool disposing)
        {
            try
            {
                if (!disposed)
                {
                    if (disposing)

                    {
                        ////////////////////////////////////
                        // dispose managed resources here...
                        ////////////////////////////////////

                        if (streamManager != null)
                        {
                            streamManager.Dispose();
                            streamManager = null;
                        }
                    }

                    //////////////////////////////////////
                    // release unmanaged resources here...
                    //////////////////////////////////////

                    if (session != IntPtr.Zero)
                    {
2142
2143
2144
2145
2146
2147
2148


2149
2150
2151
2152
2153
2154
2155
    ///////////////////////////////////////////////////////////////////////////

    #region SQLiteStreamChangeSet Class
    internal sealed class SQLiteStreamChangeSet :
        SQLiteChangeSetBase, ISQLiteChangeSet
    {
        #region Private Data


        private Stream inputStream;
        private Stream outputStream;
        #endregion

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

        #region Private Constructors







>
>







2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
    ///////////////////////////////////////////////////////////////////////////

    #region SQLiteStreamChangeSet Class
    internal sealed class SQLiteStreamChangeSet :
        SQLiteChangeSetBase, ISQLiteChangeSet
    {
        #region Private Data
        private SQLiteStreamAdapter inputStreamAdapter;
        private SQLiteStreamAdapter outputStreamAdapter;
        private Stream inputStream;
        private Stream outputStream;
        #endregion

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

        #region Private Constructors
2172
2173
2174
2175
2176
2177
2178






2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189






2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
        private void CheckInputStream()
        {
            if (inputStream == null)
            {
                throw new InvalidOperationException(
                    "input stream unavailable");
            }






        }

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

        private void CheckOutputStream()
        {
            if (outputStream == null)
            {
                throw new InvalidOperationException(
                    "output stream unavailable");
            }






        }
        #endregion

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

        #region ISQLiteChangeSet Members
        public ISQLiteChangeSet Invert()
        {
            CheckDisposed();
            CheckInputStream();
            CheckOutputStream();

            SQLiteConnectionFlags flags = GetFlags();

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_invert_strm(
                new SQLiteStreamAdapter(inputStream, flags).xInput, IntPtr.Zero,
                new SQLiteStreamAdapter(outputStream, flags).xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_invert_strm");

            return null;
        }








>
>
>
>
>
>











>
>
>
>
>
>












<
<

|
|







2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475


2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
        private void CheckInputStream()
        {
            if (inputStream == null)
            {
                throw new InvalidOperationException(
                    "input stream unavailable");
            }

            if (inputStreamAdapter == null)
            {
                inputStreamAdapter = new SQLiteStreamAdapter(
                    inputStream, GetFlags());
            }
        }

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

        private void CheckOutputStream()
        {
            if (outputStream == null)
            {
                throw new InvalidOperationException(
                    "output stream unavailable");
            }

            if (outputStreamAdapter == null)
            {
                outputStreamAdapter = new SQLiteStreamAdapter(
                    outputStream, GetFlags());
            }
        }
        #endregion

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

        #region ISQLiteChangeSet Members
        public ISQLiteChangeSet Invert()
        {
            CheckDisposed();
            CheckInputStream();
            CheckOutputStream();



            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_invert_strm(
                inputStreamAdapter.xInput, IntPtr.Zero,
                outputStreamAdapter.xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_invert_strm");

            return null;
        }

2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
            {
                throw new ArgumentException(
                    "not a stream based change set", "changeSet");
            }

            streamChangeSet.CheckInputStream();

            SQLiteConnectionFlags otherFlags = streamChangeSet.GetFlags();
            SQLiteConnectionFlags flags = GetFlags();

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_concat_strm(
                new SQLiteStreamAdapter(inputStream, flags).xInput,
                IntPtr.Zero, new SQLiteStreamAdapter(streamChangeSet.inputStream,
                otherFlags).xInput, IntPtr.Zero, new SQLiteStreamAdapter(
                outputStream, flags).xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_concat_strm");

            return null;
        }








<
<
<

|
|
<
|







2500
2501
2502
2503
2504
2505
2506



2507
2508
2509

2510
2511
2512
2513
2514
2515
2516
2517
            {
                throw new ArgumentException(
                    "not a stream based change set", "changeSet");
            }

            streamChangeSet.CheckInputStream();




            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_concat_strm(
                inputStreamAdapter.xInput, IntPtr.Zero,
                streamChangeSet.inputStreamAdapter.xInput, IntPtr.Zero,

                outputStreamAdapter.xOutput, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_concat_strm");

            return null;
        }

2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293

            UnsafeNativeMethods.xSessionFilter xFilter = GetDelegate(
                tableFilterCallback, clientData);

            UnsafeNativeMethods.xSessionConflict xConflict = GetDelegate(
                conflictCallback, clientData);

            SQLiteConnectionFlags flags = GetFlags();

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_apply_strm(
                GetIntPtr(), new SQLiteStreamAdapter(inputStream, flags).xInput,
                IntPtr.Zero, xFilter, xConflict, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_apply_strm");
        }
        #endregion

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







<
<

|
|







2543
2544
2545
2546
2547
2548
2549


2550
2551
2552
2553
2554
2555
2556
2557
2558
2559

            UnsafeNativeMethods.xSessionFilter xFilter = GetDelegate(
                tableFilterCallback, clientData);

            UnsafeNativeMethods.xSessionConflict xConflict = GetDelegate(
                conflictCallback, clientData);



            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_apply_strm(
                GetIntPtr(), inputStreamAdapter.xInput, IntPtr.Zero, xFilter,
                xConflict, IntPtr.Zero);

            if (rc != SQLiteErrorCode.Ok)
                throw new SQLiteException(rc, "sqlite3changeset_apply_strm");
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////
Changes to Tests/session.eagle.
86
87
88
89
90
91
92











93
94
95




96
97
98
99
100
101
102
103
104
105
106
107
108
    return [object invoke -flags +NonPublic \
        System.Data.SQLite.HelperMethods ToDisplayString $value]
  }
}

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












proc createMemoryChangeSetForSession { session } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    set byteArray null




    $session -alias CreateChangeSet byteArray

    set rawData [createByteArray [arrayToList byteArray]]
    object removeref $rawData

    return $rawData
  }

  return null
}

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








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


>
>
>
>
|
|
<
<

|







86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112


113
114
115
116
117
118
119
120
121
    return [object invoke -flags +NonPublic \
        System.Data.SQLite.HelperMethods ToDisplayString $value]
  }
}

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

proc createMemoryChangeSetForConnection { connection rawData } {
  if {[isObjectHandle $connection] && $connection ne "null"} then {
    return [$connection -alias \
        -objectflags +NoReturnReference CreateChangeSet $rawData]
  }

  return null
}

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

proc createMemoryChangeSetForSession { session {patch false} } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    set byteArray null

    if {$patch} then {
      $session -alias CreatePatchSet byteArray
    } else {
      $session -alias CreateChangeSet byteArray
    }



    return [createByteArray [arrayToList byteArray]]
  }

  return null
}

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

150
151
152
153
154
155
156
157
158
159
160
161



162


163
164
165
166
167
168
169
  }

  return false
}

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

proc writeStreamChangeSetForSession { session fileName } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    set stream [object create -alias \
        System.IO.FileStream $fileName Create Write]




    $session -alias CreateChangeSet $stream


    $stream Flush; $stream Close

    return true
  }

  return false
}







|




>
>
>
|
>
>







163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
  }

  return false
}

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

proc writeStreamChangeSetForSession { session fileName {patch false} } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    set stream [object create -alias \
        System.IO.FileStream $fileName Create Write]

    if {$patch} then {
      $session -alias CreatePatchSet $stream
    } else {
      $session -alias CreateChangeSet $stream
    }

    $stream Flush; $stream Close

    return true
  }

  return false
}
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252

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

proc matchSession { connection session expr } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    if {![$session IsEmpty]} then {
      set rawData [createMemoryChangeSetForSession $session]
      object removeref $rawData

      if {[isObjectHandle $rawData] && $rawData ne "null"} then {
        return [matchChangeSet [set changeSet \
            [$connection -alias CreateChangeSet $rawData]] $expr]
      }
    }
  }







<







256
257
258
259
260
261
262

263
264
265
266
267
268
269

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

proc matchSession { connection session expr } {
  if {[isObjectHandle $session] && $session ne "null"} then {
    if {![$session IsEmpty]} then {
      set rawData [createMemoryChangeSetForSession $session]


      if {[isObjectHandle $rawData] && $rawData ne "null"} then {
        return [matchChangeSet [set changeSet \
            [$connection -alias CreateChangeSet $rawData]] $expr]
      }
    }
  }
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
  $session AttachTable $tableName

  if {![isObjectHandle $session] || $session eq "null"} then {
    error "cannot create session"
  }

  catch {uplevel 1 $script}
  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  return $rawData
}

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

proc captureChangeSetFile {
        connection databaseName tableName script fileName } {
  if {![isObjectHandle $connection] || $connection eq "null"} then {







|
<
<
<







351
352
353
354
355
356
357
358



359
360
361
362
363
364
365
  $session AttachTable $tableName

  if {![isObjectHandle $session] || $session eq "null"} then {
    error "cannot create session"
  }

  catch {uplevel 1 $script}
  return [createMemoryChangeSetForSession $session]



}

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

proc captureChangeSetFile {
        connection databaseName tableName script fileName } {
  if {![isObjectHandle $connection] || $connection eq "null"} then {
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  return $result
}

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

proc createByteArray { list } {
  set length [llength $list]

  set result [object create -alias System.Byte\[\] $length]


  for {set index 0} {$index < $length} {incr index} {
    set element [lindex $list $index]
    set value [object invoke -create Byte Parse $element]
    $result SetValue $value $index
  }





  return $result
}

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

proc tableFilterCallbackT1 { clientData name } {
  lappend ::callbackResults [object invoke -create \
      System.Boolean Parse [expr {[$name ToString] in [list t1]}]]







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  return $result
}

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

proc createByteArray { list } {
  set length [llength $list]

  set result [object create -alias \
      -objectflags +NoReturnReference System.Byte\[\] $length]

  for {set index 0} {$index < $length} {incr index} {
    set element [lindex $list $index]
    set value [object invoke -create Byte Parse $element]
    $result SetValue $value $index
  }

  #
  # NOTE: Prevent returning, which unsets all local variables,
  #       from causing the byte array object to be disposed.
  #
  object addref $result; object addref $result; return $result
}

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

proc tableFilterCallbackT1 { clientData name } {
  lappend ::callbackResults [object invoke -create \
      System.Boolean Parse [expr {[$name ToString] in [list t1]}]]
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  set session [$connection -alias CreateSession main]
  $session AttachTable null

  makeSomeChanges $db t1 [list insert update delete]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData


  writeRawDataToFile $fileName(1) $rawData
  writeStreamChangeSetForSession $session $fileName(2)
  openStreamChangeSetForConnection $connection $fileName(2) "" state

  list [expr {[file size $fileName(1)] > 0}] \
      [string equal [readFile $fileName(1)] [readFile $fileName(2)]] \







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>







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  set session [$connection -alias CreateSession main]
  $session AttachTable null

  makeSomeChanges $db t1 [list insert update delete]

  set rawData [createMemoryChangeSetForSession $session]

debug break

  writeRawDataToFile $fileName(1) $rawData
  writeStreamChangeSetForSession $session $fileName(2)
  openStreamChangeSetForConnection $connection $fileName(2) "" state

  list [expr {[file size $fileName(1)] > 0}] \
      [string equal [readFile $fileName(1)] [readFile $fileName(2)]] \
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  set session [$connection -alias CreateSession main]
  $session AttachTable null

  makeSomeChanges $db t1 [list insert update delete]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  set changeSet(1) [$connection -alias CreateChangeSet $rawData]


  set changeSet(2) [$changeSet(1) -alias Invert]

  list [changeSetToString $changeSet(2) true]
} -cleanup {
  cleanupSomeText

  unset -nocomplain changeSet rawData byteArray session







<

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  set session [$connection -alias CreateSession main]
  $session AttachTable null

  makeSomeChanges $db t1 [list insert update delete]

  set rawData [createMemoryChangeSetForSession $session]


  set changeSet(1) \
      [createMemoryChangeSetForConnection $connection $rawData]

  set changeSet(2) [$changeSet(1) -alias Invert]

  list [changeSetToString $changeSet(2) true]
} -cleanup {
  cleanupSomeText

  unset -nocomplain changeSet rawData byteArray session
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  $session SetToDisabled
  lappend result IsEnabled [$session IsEnabled]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  lappend result Length [$rawData Length]

  $session SetToEnabled
  lappend result IsEnabled [$session IsEnabled]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  set changeSet(1) [$connection -alias CreateChangeSet $rawData]


  lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
  cleanupSomeText

  unset -nocomplain result changeSet rawData byteArray session

  freeDbConnection







<










<

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  $session SetToDisabled
  lappend result IsEnabled [$session IsEnabled]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]


  lappend result Length [$rawData Length]

  $session SetToEnabled
  lappend result IsEnabled [$session IsEnabled]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]


  set changeSet(1) \
      [createMemoryChangeSetForConnection $connection $rawData]

  lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
  cleanupSomeText

  unset -nocomplain result changeSet rawData byteArray session

  freeDbConnection
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  $session SetToIndirect
  lappend result IsIndirect [$session IsIndirect]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  $session SetToDirect
  lappend result IsIndirect [$session IsIndirect]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]
  object removeref $rawData

  set changeSet(1) [$connection -alias CreateChangeSet $rawData]


  lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
  cleanupSomeText

  unset -nocomplain result changeSet rawData byteArray session

  freeDbConnection







<








<

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  $session SetToIndirect
  lappend result IsIndirect [$session IsIndirect]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]


  $session SetToDirect
  lappend result IsIndirect [$session IsIndirect]

  makeSomeChanges $db t1 [list insert]
  lappend result IsEmpty [$session IsEmpty]

  set rawData [createMemoryChangeSetForSession $session]


  set changeSet(1) \
      [createMemoryChangeSetForConnection $connection $rawData]

  lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
  cleanupSomeText

  unset -nocomplain result changeSet rawData byteArray session

  freeDbConnection
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  createTheSchema $db main
  makeSomeChanges $db t1 [list insert insert]

  set connection [getDbConnection]

  set rawData(1) [captureChangeSetRawData $connection main null {
    makeSomeChanges $db t1 [list delete] 1
  }]; object removeref $rawData(1)

  makeSomeChanges $db t1 [list insert] 1

  set rawData(2) [captureChangeSetRawData $connection main null {
    makeSomeChanges $db t1 [list insert]
  }]; object removeref $rawData(2)

  set changeSet(1) [$connection -alias CreateChangeSet $rawData(1)]


  set changeSet(2) [$connection -alias CreateChangeSet $rawData(2)]


  set changeSet(3) [$changeSet(1) -alias CombineWith $changeSet(2)]

  $changeSet(3) -marshalflags +DynamicCallback \
      Apply conflictCallback null

  list [changeSetToString $changeSet(3) true] Data \
      [sql execute -execute reader -format list $db \







|





|

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  createTheSchema $db main
  makeSomeChanges $db t1 [list insert insert]

  set connection [getDbConnection]

  set rawData(1) [captureChangeSetRawData $connection main null {
    makeSomeChanges $db t1 [list delete] 1
  }]

  makeSomeChanges $db t1 [list insert] 1

  set rawData(2) [captureChangeSetRawData $connection main null {
    makeSomeChanges $db t1 [list insert]
  }]

  set changeSet(1) \
      [createMemoryChangeSetForConnection $connection $rawData(1)]

  set changeSet(2) \
      [createMemoryChangeSetForConnection $connection $rawData(2)]

  set changeSet(3) [$changeSet(1) -alias CombineWith $changeSet(2)]

  $changeSet(3) -marshalflags +DynamicCallback \
      Apply conflictCallback null

  list [changeSetToString $changeSet(3) true] Data \
      [sql execute -execute reader -format list $db \
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rename changeSetToString ""
rename metadataItemToString ""
rename changeSetFileToString ""
rename writeStreamChangeSetForSession ""
rename openStreamChangeSetForConnection ""
rename writeRawDataToFile ""
rename createMemoryChangeSetForSession ""

rename forDisplay ""
rename cleanupSomeText ""
rename getSomeText ""

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

runSQLiteTestEpilogue
runTestEpilogue







>








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rename changeSetToString ""
rename metadataItemToString ""
rename changeSetFileToString ""
rename writeStreamChangeSetForSession ""
rename openStreamChangeSetForConnection ""
rename writeRawDataToFile ""
rename createMemoryChangeSetForSession ""
rename createMemoryChangeSetForConnection ""
rename forDisplay ""
rename cleanupSomeText ""
rename getSomeText ""

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

runSQLiteTestEpilogue
runTestEpilogue