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Overview
Comment: | Fix an assert() statement that was made obsolete by the constant propagation enhancement. Problem discovered by OSSFuzz. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
e4b4737e348235e196a45e1b71876b82 |
User & Date: | drh 2018-07-28 14:56:56.784 |
Context
2018-07-28
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16:24 | Do not allow a column reference that is converted into a constant by the WHERE-clause constant propagation optimization to be moved to the init-time constant expression list, as the table reference will not work there. This fixes a problem found by OSSFuzz. (check-in: d30b2a9473 user: drh tags: trunk) | |
14:56 | Fix an assert() statement that was made obsolete by the constant propagation enhancement. Problem discovered by OSSFuzz. (check-in: e4b4737e34 user: drh tags: trunk) | |
14:34 | Improved debugging output when the ".selecttrace" option is used in the shell. (check-in: fcb88dd6b0 user: drh tags: trunk) | |
Changes
Changes to src/select.c.
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3446 3447 3448 3449 3450 3451 3452 | if( pExpr->iColumn<0 ){ pExpr->op = TK_NULL; }else{ Expr *pNew; Expr *pCopy = pSubst->pEList->a[pExpr->iColumn].pExpr; Expr ifNullRow; assert( pSubst->pEList!=0 && pExpr->iColumn<pSubst->pEList->nExpr ); | | | 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 | if( pExpr->iColumn<0 ){ pExpr->op = TK_NULL; }else{ Expr *pNew; Expr *pCopy = pSubst->pEList->a[pExpr->iColumn].pExpr; Expr ifNullRow; assert( pSubst->pEList!=0 && pExpr->iColumn<pSubst->pEList->nExpr ); assert( pExpr->pRight==0 ); if( sqlite3ExprIsVector(pCopy) ){ sqlite3VectorErrorMsg(pSubst->pParse, pCopy); }else{ sqlite3 *db = pSubst->pParse->db; if( pSubst->isLeftJoin && pCopy->op!=TK_COLUMN ){ memset(&ifNullRow, 0, sizeof(ifNullRow)); ifNullRow.op = TK_IF_NULL_ROW; |
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Changes to test/fuzzdata5.db.
cannot compute difference between binary files