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Overview
| Comment: | Fix to check-in [ca34c2dd20ee071e] - avoid a NULL pointer dereference following an OOM. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | c7e6e848fa91f61bc980a031a17d4cd4 |
| User & Date: | drh 2018-04-24 00:08:09 |
Context
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2018-04-24
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| 01:10 | In EXPLAIN QUERY PLAN output, do not show an EXECUTE LIST SUBQUERY line for IN operators where the RHS is a list and not a subquery, since in that case there is no SUBQUERY to execute. check-in: 8bc0207a user: drh tags: trunk | |
| 00:08 | Fix to check-in [ca34c2dd20ee071e] - avoid a NULL pointer dereference following an OOM. check-in: c7e6e848 user: drh tags: trunk | |
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2018-04-23
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| 20:38 | Fix a problem in sqlite3ExprCompare() associated with UPSERT. check-in: 67d0b2c1 user: drh tags: trunk | |
Changes
Changes to src/select.c.
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sqlite3 *db; /* The database connection */ ExprList *pMinMaxOrderBy = 0; /* Added ORDER BY for min/max queries */ u8 minMaxFlag; /* Flag for min/max queries */ #ifndef SQLITE_OMIT_EXPLAIN int iRestoreSelectId = pParse->iSelectId; pParse->iSelectId = pParse->iNextSelectId++; #if SELECTTRACE_ENABLED p->iSelectId = pParse->iSelectId; #endif #endif db = pParse->db; if( p==0 || db->mallocFailed || pParse->nErr ){ return 1; } if( sqlite3AuthCheck(pParse, SQLITE_SELECT, 0, 0, 0) ) return 1; memset(&sAggInfo, 0, sizeof(sAggInfo)); #if SELECTTRACE_ENABLED SELECTTRACE(1,pParse,p, ("begin processing:\n", pParse->iSelectId)); if( sqlite3SelectTrace & 0x100 ){ sqlite3TreeViewSelect(0, p, 0); } #endif assert( p->pOrderBy==0 || pDest->eDest!=SRT_DistFifo ); |
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sqlite3 *db; /* The database connection */
ExprList *pMinMaxOrderBy = 0; /* Added ORDER BY for min/max queries */
u8 minMaxFlag; /* Flag for min/max queries */
#ifndef SQLITE_OMIT_EXPLAIN
int iRestoreSelectId = pParse->iSelectId;
pParse->iSelectId = pParse->iNextSelectId++;
#endif
db = pParse->db;
if( p==0 || db->mallocFailed || pParse->nErr ){
return 1;
}
if( sqlite3AuthCheck(pParse, SQLITE_SELECT, 0, 0, 0) ) return 1;
memset(&sAggInfo, 0, sizeof(sAggInfo));
#if SELECTTRACE_ENABLED
#ifndef SQLITE_OMIT_EXPLAIN
p->iSelectId = pParse->iSelectId;
#endif
SELECTTRACE(1,pParse,p, ("begin processing:\n", pParse->iSelectId));
if( sqlite3SelectTrace & 0x100 ){
sqlite3TreeViewSelect(0, p, 0);
}
#endif
assert( p->pOrderBy==0 || pDest->eDest!=SRT_DistFifo );
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