diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/where.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/where.c b/src/where.c index 53be42888..335d6a4e9 100644 --- a/src/where.c +++ b/src/where.c @@ -1565,6 +1565,17 @@ static sqlite3_index_info *allocateIndexInfo( } /* +** Free and zero the sqlite3_index_info.idxStr value if needed. +*/ +static void freeIdxStr(sqlite3_index_info *pIdxInfo){ + if( pIdxInfo->needToFreeIdxStr ){ + sqlite3_free(pIdxInfo->idxStr); + pIdxInfo->idxStr = 0; + pIdxInfo->needToFreeIdxStr = 0; + } +} + +/* ** Free an sqlite3_index_info structure allocated by allocateIndexInfo() ** and possibly modified by xBestIndex methods. */ @@ -1579,6 +1590,7 @@ static void freeIndexInfo(sqlite3 *db, sqlite3_index_info *pIdxInfo){ sqlite3ValueFree(pHidden->aRhs[i]); /* IMP: R-14553-25174 */ pHidden->aRhs[i] = 0; } + freeIdxStr(pIdxInfo); sqlite3DbFree(db, pIdxInfo); } @@ -4210,6 +4222,7 @@ static int whereLoopAddVirtualOne( ** Make no entries in the loop table. */ WHERETRACE(0xffffffff, (" ^^^^--- non-viable plan rejected!\n")); + freeIdxStr(pIdxInfo); return SQLITE_OK; } return rc; @@ -4232,7 +4245,7 @@ static int whereLoopAddVirtualOne( || pIdxCons->usable==0 ){ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName); - testcase( pIdxInfo->needToFreeIdxStr ); + freeIdxStr(pIdxInfo); return SQLITE_ERROR; } testcase( iTerm==nConstraint-1 ); @@ -4282,11 +4295,7 @@ static int whereLoopAddVirtualOne( ** the plan cannot be used. In these cases set variable *pbRetryLimit ** to true to tell the caller to retry with LIMIT and OFFSET ** disabled. */ - if( pIdxInfo->needToFreeIdxStr ){ - sqlite3_free(pIdxInfo->idxStr); - pIdxInfo->idxStr = 0; - pIdxInfo->needToFreeIdxStr = 0; - } + freeIdxStr(pIdxInfo); *pbRetryLimit = 1; return SQLITE_OK; } @@ -4299,7 +4308,7 @@ static int whereLoopAddVirtualOne( /* The non-zero argvIdx values must be contiguous. Raise an ** error if they are not */ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName); - testcase( pIdxInfo->needToFreeIdxStr ); + freeIdxStr(pIdxInfo); return SQLITE_ERROR; } } @@ -4595,7 +4604,6 @@ static int whereLoopAddVirtual( } } - if( p->needToFreeIdxStr ) sqlite3_free(p->idxStr); freeIndexInfo(pParse->db, p); WHERETRACE(0x800, ("END %s.addVirtual(), rc=%d\n", pSrc->pTab->zName, rc)); return rc; |