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Overview
| Comment: | Fix the sqlite3BeginTrans() calls within the snapshot extension. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1fef7ad25b6a8e59163ac57f5cf0412b |
| User & Date: | drh 2018-06-06 18:50:50 |
Context
|
2018-06-06
| ||
| 19:48 | Rearrange the order of some checks in the integrity_check pragma for a very slight performance gain. (check-in: 4b853f02 user: drh tags: trunk) | |
| 18:50 | Fix the sqlite3BeginTrans() calls within the snapshot extension. (check-in: 1fef7ad2 user: drh tags: trunk) | |
| 17:45 | Another minor optimization to OP_Transaction. (check-in: d80077ae user: drh tags: trunk) | |
Changes
Changes to src/main.c.
4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 .... 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 .... 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 |
sqlite3_mutex_enter(db->mutex);
if( db->autoCommit==0 ){
int iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInTrans(pBt) ){
rc = sqlite3BtreeBeginTrans(pBt, 0);
if( rc==SQLITE_OK ){
rc = sqlite3PagerSnapshotGet(sqlite3BtreePager(pBt), ppSnapshot);
}
}
}
}
................................................................................
int iDb;
iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInReadTrans(pBt) ){
rc = sqlite3PagerSnapshotOpen(sqlite3BtreePager(pBt), pSnapshot);
if( rc==SQLITE_OK ){
rc = sqlite3BtreeBeginTrans(pBt, 0);
sqlite3PagerSnapshotOpen(sqlite3BtreePager(pBt), 0);
}
}
}
}
sqlite3_mutex_leave(db->mutex);
................................................................................
#endif
sqlite3_mutex_enter(db->mutex);
iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInReadTrans(pBt) ){
rc = sqlite3BtreeBeginTrans(pBt, 0);
if( rc==SQLITE_OK ){
rc = sqlite3PagerSnapshotRecover(sqlite3BtreePager(pBt));
sqlite3BtreeCommit(pBt);
}
}
}
sqlite3_mutex_leave(db->mutex);
|
| | | |
4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 .... 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 .... 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 |
sqlite3_mutex_enter(db->mutex);
if( db->autoCommit==0 ){
int iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInTrans(pBt) ){
rc = sqlite3BtreeBeginTrans(pBt, 0, 0);
if( rc==SQLITE_OK ){
rc = sqlite3PagerSnapshotGet(sqlite3BtreePager(pBt), ppSnapshot);
}
}
}
}
................................................................................
int iDb;
iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInReadTrans(pBt) ){
rc = sqlite3PagerSnapshotOpen(sqlite3BtreePager(pBt), pSnapshot);
if( rc==SQLITE_OK ){
rc = sqlite3BtreeBeginTrans(pBt, 0, 0);
sqlite3PagerSnapshotOpen(sqlite3BtreePager(pBt), 0);
}
}
}
}
sqlite3_mutex_leave(db->mutex);
................................................................................
#endif
sqlite3_mutex_enter(db->mutex);
iDb = sqlite3FindDbName(db, zDb);
if( iDb==0 || iDb>1 ){
Btree *pBt = db->aDb[iDb].pBt;
if( 0==sqlite3BtreeIsInReadTrans(pBt) ){
rc = sqlite3BtreeBeginTrans(pBt, 0, 0);
if( rc==SQLITE_OK ){
rc = sqlite3PagerSnapshotRecover(sqlite3BtreePager(pBt));
sqlite3BtreeCommit(pBt);
}
}
}
sqlite3_mutex_leave(db->mutex);
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