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Overview
| Comment: | Fix a potential NULL pointer dereference that can occur in ALTER TABLE following an OOM. Test case in TH3. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | branch-3.26 |
| Files: | files | file ages | folders |
| SHA3-256: |
99a0951fdc80c12642dbbf0f5e744a01 |
| User & Date: | drh 2018-12-06 14:11:13 |
Context
|
2018-12-06
| ||
| 14:24 | Bump the version number to 3.26.1. (check-in: e97e053b user: drh tags: branch-3.26) | |
| 14:11 | Fix a potential NULL pointer dereference that can occur in ALTER TABLE following an OOM. Test case in TH3. (check-in: 99a0951f user: drh tags: branch-3.26) | |
| 13:57 | Ensure that ALTER TABLE modifies table and column names embedded in WITH clauses that are part of views and triggers. (check-in: e066b4e1 user: drh tags: branch-3.26) | |
| 01:53 | Fix a potential NULL pointer dereference that can occur in ALTER TABLE following an OOM. Test case in TH3. (check-in: ea50815b user: drh tags: trunk) | |
Changes
Changes to src/alter.c.
1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 |
/*
** Walker select callback used by "RENAME TABLE".
*/
static int renameTableSelectCb(Walker *pWalker, Select *pSelect){
int i;
RenameCtx *p = pWalker->u.pRename;
SrcList *pSrc = pSelect->pSrc;
for(i=0; i<pSrc->nSrc; i++){
struct SrcList_item *pItem = &pSrc->a[i];
if( pItem->pTab==p->pTab ){
renameTokenFind(pWalker->pParse, p, pItem->zName);
}
}
renameWalkWith(pWalker, pSelect);
|
> > > > |
1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 |
/*
** Walker select callback used by "RENAME TABLE".
*/
static int renameTableSelectCb(Walker *pWalker, Select *pSelect){
int i;
RenameCtx *p = pWalker->u.pRename;
SrcList *pSrc = pSelect->pSrc;
if( pSrc==0 ){
assert( pWalker->pParse->db->mallocFailed );
return WRC_Abort;
}
for(i=0; i<pSrc->nSrc; i++){
struct SrcList_item *pItem = &pSrc->a[i];
if( pItem->pTab==p->pTab ){
renameTokenFind(pWalker->pParse, p, pItem->zName);
}
}
renameWalkWith(pWalker, pSelect);
|