diff options
Diffstat (limited to 'src/btree.c')
| -rw-r--r-- | src/btree.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/btree.c b/src/btree.c index 41087825b..d31d30c5e 100644 --- a/src/btree.c +++ b/src/btree.c @@ -9430,12 +9430,16 @@ int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); assert( !hasReadConflicts(p, pCur->pgnoRoot) ); assert( (flags & ~(BTREE_SAVEPOSITION | BTREE_AUXDELETE))==0 ); - if( pCur->eState==CURSOR_REQUIRESEEK ){ - rc = btreeRestoreCursorPosition(pCur); - assert( rc!=SQLITE_OK || CORRUPT_DB || pCur->eState==CURSOR_VALID ); - if( rc || pCur->eState!=CURSOR_VALID ) return rc; + if( pCur->eState!=CURSOR_VALID ){ + if( pCur->eState>=CURSOR_REQUIRESEEK ){ + rc = btreeRestoreCursorPosition(pCur); + assert( rc!=SQLITE_OK || CORRUPT_DB || pCur->eState==CURSOR_VALID ); + if( rc || pCur->eState!=CURSOR_VALID ) return rc; + }else{ + return SQLITE_CORRUPT_BKPT; + } } - assert( CORRUPT_DB || pCur->eState==CURSOR_VALID ); + assert( pCur->eState==CURSOR_VALID ); iCellDepth = pCur->iPage; iCellIdx = pCur->ix; @@ -9467,7 +9471,8 @@ int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ bPreserve = (flags & BTREE_SAVEPOSITION)!=0; if( bPreserve ){ if( !pPage->leaf - || (pPage->nFree+pPage->xCellSize(pPage,pCell)+2)>(int)(pBt->usableSize*2/3) + || (pPage->nFree+pPage->xCellSize(pPage,pCell)+2) > + (int)(pBt->usableSize*2/3) || pPage->nCell==1 /* See dbfuzz001.test for a test case */ ){ /* A b-tree rebalance will be required after deleting this entry. |