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Working prototype.

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FossilOrigin-Name: b7ef4dc21f187ff4ff679e823782535188c3814aa6ce720b3a01c6d3ba4ef9f5
This commit is contained in:
drh
2021-01-29 19:32:17 +00:00
parent 2c99b84c95
commit b835247954
10 changed files with 117 additions and 27 deletions
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11
src/resolve.c
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@@ -371,23 +371,26 @@ static int lookupName(
** it is a new.* or old.* trigger argument reference. Or
** maybe it is an excluded.* from an upsert.
*/
if( zDb==0 && zTab!=0 && cntTab==0 ){
if( zDb==0 && cntTab==0 ){
pTab = 0;
#ifndef SQLITE_OMIT_TRIGGER
if( pParse->pTriggerTab!=0 ){
int op = pParse->eTriggerOp;
assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT );
if( op!=TK_DELETE && sqlite3StrICmp("new",zTab) == 0 ){
if( op!=TK_DELETE && zTab && sqlite3StrICmp("new",zTab) == 0 ){
pExpr->iTable = 1;
pTab = pParse->pTriggerTab;
}else if( op!=TK_INSERT && sqlite3StrICmp("old",zTab)==0 ){
}else if( op!=TK_INSERT && zTab && sqlite3StrICmp("old",zTab)==0 ){
pExpr->iTable = 0;
pTab = pParse->pTriggerTab;
}else if( pParse->bReturning ){
pExpr->iTable = op!=TK_DELETE;
pTab = pParse->pTriggerTab;
}
}
#endif /* SQLITE_OMIT_TRIGGER */
#ifndef SQLITE_OMIT_UPSERT
if( (pNC->ncFlags & NC_UUpsert)!=0 ){
if( (pNC->ncFlags & NC_UUpsert)!=0 && zTab ){
Upsert *pUpsert = pNC->uNC.pUpsert;
if( pUpsert && sqlite3StrICmp("excluded",zTab)==0 ){
pTab = pUpsert->pUpsertSrc->a[0].pTab;