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RETURNING bug fix: Correctly deal with RETURNING statements on changes to

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TEMP tables that also have triggers.
dbsqlfuzz 78b9400770ef8cc7d9427dfba26f4fcf46ea7dc2

FossilOrigin-Name: d0b15eccbfe1e50c3daf7b2fd4769a52bba35d553b07e462ca3f5f22df6742fd
This commit is contained in:
drh
2021-04-27 13:04:18 +00:00
parent a4cd0bbcb3
commit a476768340
6 changed files with 109 additions and 38 deletions
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60
src/trigger.c
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@@ -60,30 +60,44 @@ Trigger *sqlite3TriggerList(Parse *pParse, Table *pTab){
if( p==0 ){
return pTab->pTrigger;
}
pList = pTab->pTrigger;
if( pTmpSchema!=pTab->pSchema ){
while( p ){
Trigger *pTrig = (Trigger *)sqliteHashData(p);
if( pTrig->pTabSchema==pTab->pSchema
&& 0==sqlite3StrICmp(pTrig->table, pTab->zName)
){
pTrig->pNext = pList;
pList = pTrig;
}else if( pTrig->op==TK_RETURNING
#ifndef SQLITE_OMIT_VIRTUALTABLE
&& pParse->db->pVtabCtx==0
#endif
){
assert( pParse->bReturning );
assert( &(pParse->u1.pReturning->retTrig) == pTrig );
pTrig->table = pTab->zName;
pTrig->pTabSchema = pTab->pSchema;
pTrig->pNext = pList;
pList = pTrig;
}
p = sqliteHashNext(p);
}
if( pTmpSchema==pTab->pSchema ){
pList = 0;
}else{
pList = pTab->pTrigger;
}
while( p ){
Trigger *pTrig = (Trigger *)sqliteHashData(p);
if( pTrig->pTabSchema==pTab->pSchema
&& pTrig->table
&& 0==sqlite3StrICmp(pTrig->table, pTab->zName)
){
pTrig->pNext = pList;
pList = pTrig;
}else if( pTrig->op==TK_RETURNING
#ifndef SQLITE_OMIT_VIRTUALTABLE
&& pParse->db->pVtabCtx==0
#endif
){
assert( pParse->bReturning );
assert( &(pParse->u1.pReturning->retTrig) == pTrig );
pTrig->table = pTab->zName;
pTrig->pTabSchema = pTab->pSchema;
pTrig->pNext = pList;
pList = pTrig;
}
p = sqliteHashNext(p);
}
#if 0
if( pList ){
Trigger *pX;
printf("Triggers for %s:", pTab->zName);
for(pX=pList; pX; pX=pX->pNext){
printf(" %s", pX->zName);
}
printf("\n");
fflush(stdout);
}
#endif
return pList;
}