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Overview
| Comment: | Ensure that all cursors have their positions saved prior to rolling back a savepoint. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8e03a8e95fada5c24d369672a71f6e02 |
| User & Date: | drh 2017-02-02 20:32:28 |
Context
|
2017-02-03
| ||
| 15:16 | Improved tests for the carray() table-valued function. check-in: 83a099f1 user: drh tags: trunk | |
| 14:44 | Modify the sqlite3SelectDup() routine to avoid recursing on Select.pPrior. check-in: a7674ead user: dan tags: recursive-selectdup | |
|
2017-02-02
| ||
| 23:57 | Add the sqlite3_blob_reset() interface. Enhance the behavior of sqlite3_blob objects so that they can go active again after encountering an error by rerunning sqlite3_blob_reopen(). More work needed on the documentation. check-in: 53b77838 user: drh tags: sqlite3_blob_reset | |
| 20:32 | Ensure that all cursors have their positions saved prior to rolling back a savepoint. check-in: 8e03a8e9 user: drh tags: trunk | |
| 19:24 | Fix issues in the sha1 extension seen with MSVC. check-in: 5a0da77c user: mistachkin tags: trunk | |
| 00:46 | This is an experimental patch that ensures that all cursors have their position saved prior to starting a ROLLBACK TO. Closed-Leaf check-in: 01d97e5b user: drh tags: savepoint-rollback | |
Changes
Changes to src/btree.c.
4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 |
int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){
int rc = SQLITE_OK;
if( p && p->inTrans==TRANS_WRITE ){
BtShared *pBt = p->pBt;
assert( op==SAVEPOINT_RELEASE || op==SAVEPOINT_ROLLBACK );
assert( iSavepoint>=0 || (iSavepoint==-1 && op==SAVEPOINT_ROLLBACK) );
sqlite3BtreeEnter(p);
rc = sqlite3PagerSavepoint(pBt->pPager, op, iSavepoint);
if( rc==SQLITE_OK ){
if( iSavepoint<0 && (pBt->btsFlags & BTS_INITIALLY_EMPTY)!=0 ){
pBt->nPage = 0;
}
rc = newDatabase(pBt);
pBt->nPage = get4byte(28 + pBt->pPage1->aData);
|
> > > > | > |
4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 |
int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){
int rc = SQLITE_OK;
if( p && p->inTrans==TRANS_WRITE ){
BtShared *pBt = p->pBt;
assert( op==SAVEPOINT_RELEASE || op==SAVEPOINT_ROLLBACK );
assert( iSavepoint>=0 || (iSavepoint==-1 && op==SAVEPOINT_ROLLBACK) );
sqlite3BtreeEnter(p);
if( op==SAVEPOINT_ROLLBACK ){
rc = saveAllCursors(pBt, 0, 0);
}
if( rc==SQLITE_OK ){
rc = sqlite3PagerSavepoint(pBt->pPager, op, iSavepoint);
}
if( rc==SQLITE_OK ){
if( iSavepoint<0 && (pBt->btsFlags & BTS_INITIALLY_EMPTY)!=0 ){
pBt->nPage = 0;
}
rc = newDatabase(pBt);
pBt->nPage = get4byte(28 + pBt->pPage1->aData);
|