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Overview
Comment: | Further work on the SQLiteMemoryChangeSet class. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | sessions |
Files: | files | file ages | folders |
SHA1: |
5dc5e48cb0e23b01309686308d579553 |
User & Date: | mistachkin 2017-10-06 15:51:58.561 |
Context
2017-10-06
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16:04 | Further work on the SQLiteStreamChangeSet class. check-in: b1e6a036bb user: mistachkin tags: sessions | |
15:51 | Further work on the SQLiteMemoryChangeSet class. check-in: 5dc5e48cb0 user: mistachkin tags: sessions | |
2017-10-05
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23:10 | Cleanup integration between the session extension classes and the SQLiteConnection class. check-in: 7529b50e97 user: mistachkin tags: sessions | |
Changes
Changes to System.Data.SQLite/SQLiteSessions.cs.
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954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 | this.flags = flags; this.isPatchSet = isPatchSet; } #endregion /////////////////////////////////////////////////////////////////////// #region ISQLiteChangeSet Members public bool? IsPatchSet { get { CheckDisposed(); return isPatchSet; } } /////////////////////////////////////////////////////////////////////// public ISQLiteChangeSet Invert() { CheckDisposed(); | > > > > > > > > > > > > > | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 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 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 | this.flags = flags; this.isPatchSet = isPatchSet; } #endregion /////////////////////////////////////////////////////////////////////// #region Private Methods private void CheckRawData() { if (rawData == null) throw new InvalidOperationException("no change set data"); } #endregion /////////////////////////////////////////////////////////////////////// #region ISQLiteChangeSet Members public bool? IsPatchSet { get { CheckDisposed(); return isPatchSet; } } /////////////////////////////////////////////////////////////////////// public ISQLiteChangeSet Invert() { CheckDisposed(); CheckRawData(); IntPtr pInData = IntPtr.Zero; IntPtr pOutData = IntPtr.Zero; try { int nInData = 0; pInData = SQLiteBytes.ToIntPtr(rawData, ref nInData); int nOutData = 0; SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_invert( nInData, pInData, ref nOutData, ref pOutData); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3changeset_invert"); byte[] newData = SQLiteBytes.FromIntPtr(pOutData, nOutData); return new SQLiteMemoryChangeSet( newData, handle, flags, isPatchSet); } finally { if (pOutData != IntPtr.Zero) { SQLiteMemory.Free(pOutData); pOutData = IntPtr.Zero; } if (pInData != IntPtr.Zero) { SQLiteMemory.Free(pInData); pInData = IntPtr.Zero; } } } /////////////////////////////////////////////////////////////////////// public ISQLiteChangeSet CombineWith( ISQLiteChangeSet changeSet ) { CheckDisposed(); CheckRawData(); SQLiteMemoryChangeSet memoryChangeSet = changeSet as SQLiteMemoryChangeSet; if (memoryChangeSet == null) { throw new ArgumentException( "not a memory based change set", "changeSet"); } memoryChangeSet.CheckRawData(); IntPtr pInData1 = IntPtr.Zero; IntPtr pInData2 = IntPtr.Zero; IntPtr pOutData = IntPtr.Zero; try { int nInData1 = 0; pInData1 = SQLiteBytes.ToIntPtr(rawData, ref nInData1); int nInData2 = 0; pInData2 = SQLiteBytes.ToIntPtr( memoryChangeSet.rawData, ref nInData2); int nOutData = 0; SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_concat( nInData1, pInData1, nInData2, pInData2, ref nOutData, ref pOutData); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3changeset_concat"); byte[] newData = SQLiteBytes.FromIntPtr(pOutData, nOutData); return new SQLiteMemoryChangeSet( newData, handle, flags, isPatchSet); } finally { if (pOutData != IntPtr.Zero) { SQLiteMemory.Free(pOutData); pOutData = IntPtr.Zero; } if (pInData2 != IntPtr.Zero) { SQLiteMemory.Free(pInData2); pInData2 = IntPtr.Zero; } if (pInData1 != IntPtr.Zero) { SQLiteMemory.Free(pInData1); pInData1 = IntPtr.Zero; } } } /////////////////////////////////////////////////////////////////////// public void Apply( SessionConflictCallback conflictCallback, object clientData |
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1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 | public void Apply( SessionConflictCallback conflictCallback, SessionTableFilterCallback tableFilterCallback, object clientData ) { if (conflictCallback == null) throw new ArgumentNullException("conflictCallback"); | > > > < < | 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 | public void Apply( SessionConflictCallback conflictCallback, SessionTableFilterCallback tableFilterCallback, object clientData ) { CheckDisposed(); CheckRawData(); if (conflictCallback == null) throw new ArgumentNullException("conflictCallback"); UnsafeNativeMethods.xSessionFilter xFilter = null; if (tableFilterCallback != null) { xFilter = new UnsafeNativeMethods.xSessionFilter( delegate(IntPtr context, byte[] tblName) { |
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1077 1078 1079 1080 1081 1082 1083 | // do nothing. } } return SQLiteChangeSetConflictResult.Abort; }); | > > > > | | > | | | | > > > > > > > > > | 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 | // do nothing. } } return SQLiteChangeSetConflictResult.Abort; }); IntPtr pData = IntPtr.Zero; try { int nData = 0; pData = SQLiteBytes.ToIntPtr(rawData, ref nData); SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_apply( handle, nData, pData, xFilter, xConflict, IntPtr.Zero); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3changeset_apply"); } finally { if (pData != IntPtr.Zero) { SQLiteMemory.Free(pData); pData = IntPtr.Zero; } } } #endregion /////////////////////////////////////////////////////////////////////// #region IEnumerable<ISQLiteChangeSetMetadataItem> Members public IEnumerator<ISQLiteChangeSetMetadataItem> GetEnumerator() |
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