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Overview
| Comment: | If a malloc fails while allocating a savepoint object at the pager level, do not try to roll that savepoint back later on. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
91cb08ffb6332a142542c012b58aa492 |
| User & Date: | dan 2010-06-03 09:01:11 |
Context
|
2010-06-03
| ||
| 09:17 | If an error (OOM or SQLITE_FULL error) occurs while executing an SQL statement and a statement-transaction is automatically rolled back as a result, if a second error occurs during the statement rollback do a full transaction rollback instead. Otherwise the client can be left with an inconsistent cache. This can affect both WAL and rollback modes. check-in: eb80ddc6 user: dan tags: trunk | |
| 09:01 | If a malloc fails while allocating a savepoint object at the pager level, do not try to roll that savepoint back later on. check-in: 91cb08ff user: dan tags: trunk | |
|
2010-06-02
| ||
| 20:38 | When a lock fails due to an I/O error (not an SQLITE_BUSY) then the checkpoint should fail. check-in: c6eb0a27 user: drh tags: trunk | |
Changes
Changes to src/pager.c.
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pPager->aSavepoint, sizeof(PagerSavepoint)*nSavepoint
);
if( !aNew ){
return SQLITE_NOMEM;
}
memset(&aNew[nCurrent], 0, (nSavepoint-nCurrent) * sizeof(PagerSavepoint));
pPager->aSavepoint = aNew;
pPager->nSavepoint = nSavepoint;
/* Populate the PagerSavepoint structures just allocated. */
for(ii=nCurrent; ii<nSavepoint; ii++){
aNew[ii].nOrig = nPage;
if( isOpen(pPager->jfd) && pPager->journalOff>0 ){
aNew[ii].iOffset = pPager->journalOff;
}else{
................................................................................
aNew[ii].pInSavepoint = sqlite3BitvecCreate(nPage);
if( !aNew[ii].pInSavepoint ){
return SQLITE_NOMEM;
}
if( pagerUseWal(pPager) ){
sqlite3WalSavepoint(pPager->pWal, aNew[ii].aWalData);
}
}
/* Open the sub-journal, if it is not already opened. */
rc = openSubJournal(pPager);
assertTruncateConstraint(pPager);
}
return rc;
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pPager->aSavepoint, sizeof(PagerSavepoint)*nSavepoint
);
if( !aNew ){
return SQLITE_NOMEM;
}
memset(&aNew[nCurrent], 0, (nSavepoint-nCurrent) * sizeof(PagerSavepoint));
pPager->aSavepoint = aNew;
/* Populate the PagerSavepoint structures just allocated. */
for(ii=nCurrent; ii<nSavepoint; ii++){
aNew[ii].nOrig = nPage;
if( isOpen(pPager->jfd) && pPager->journalOff>0 ){
aNew[ii].iOffset = pPager->journalOff;
}else{
................................................................................
aNew[ii].pInSavepoint = sqlite3BitvecCreate(nPage);
if( !aNew[ii].pInSavepoint ){
return SQLITE_NOMEM;
}
if( pagerUseWal(pPager) ){
sqlite3WalSavepoint(pPager->pWal, aNew[ii].aWalData);
}
pPager->nSavepoint = ii+1;
}
assert( pPager->nSavepoint==nSavepoint );
/* Open the sub-journal, if it is not already opened. */
rc = openSubJournal(pPager);
assertTruncateConstraint(pPager);
}
return rc;
|