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Overview
| Comment: | Enhance WhereLoopBuilder.iPlanLimit to handle a case involving the OR optimization discovered overnight by OSSFuzz. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
7b59930a1d7b664b54d5a2bc9fa38592 |
| User & Date: | drh 2018-09-22 15:05:32 |
Context
|
2018-09-23
| ||
| 02:01 | Fix a faulty assert() in the validation logic for the LEFT JOIN strength reduction optimization. Problem found by OSSFuzz. check-in: 2fd62fcc user: drh tags: trunk | |
|
2018-09-22
| ||
| 15:05 | Enhance WhereLoopBuilder.iPlanLimit to handle a case involving the OR optimization discovered overnight by OSSFuzz. check-in: 7b59930a user: drh tags: trunk | |
|
2018-09-21
| ||
| 23:41 | Fix harmless compiler warning when compiled with SQLITE_OMIT_AUTHORIZATION. check-in: 50f2fa19 user: mistachkin tags: trunk | |
Changes
Changes to src/where.c.
2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 |
static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){
WhereLoop **ppPrev, *p;
WhereInfo *pWInfo = pBuilder->pWInfo;
sqlite3 *db = pWInfo->pParse->db;
int rc;
/* Stop the search once we hit the query planner search limit */
if( pBuilder->iPlanLimit==0 ) return SQLITE_DONE;
pBuilder->iPlanLimit--;
/* If pBuilder->pOrSet is defined, then only keep track of the costs
** and prereqs.
*/
if( pBuilder->pOrSet!=0 ){
if( pTemplate->nLTerm ){
|
| > > > > |
2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 |
static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){
WhereLoop **ppPrev, *p;
WhereInfo *pWInfo = pBuilder->pWInfo;
sqlite3 *db = pWInfo->pParse->db;
int rc;
/* Stop the search once we hit the query planner search limit */
if( pBuilder->iPlanLimit==0 ){
WHERETRACE(0xffffffff,("=== query planner search limit reached ===\n"));
if( pBuilder->pOrSet ) pBuilder->pOrSet->n = 0;
return SQLITE_DONE;
}
pBuilder->iPlanLimit--;
/* If pBuilder->pOrSet is defined, then only keep track of the costs
** and prereqs.
*/
if( pBuilder->pOrSet!=0 ){
if( pTemplate->nLTerm ){
|
Changes to test/fuzzdata5.db.
cannot compute difference between binary files