116   const char *zTab,  in sqlite3MatchEName()  argument
129   if( zTab && (sqlite3StrNICmp(zSpan, zTab, n)!=0 || zTab[n]!=0) ){  in sqlite3MatchEName()
235   const char *zTab,    /* Name of table containing column, or NULL */  in lookupName()  argument
256   assert( zDb==0 || zTab!=0 );  in lookupName()
319             if( !sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb) ){  in lookupName()
354           if( hit || zTab==0 ) continue;  in lookupName()
356         assert( zDb==0 || zTab!=0 );  in lookupName()
357         if( zTab ){  in lookupName()
365           if( sqlite3StrICmp(zTabName, zTab)!=0 ){  in lookupName()
442            && (zTab==0 || sqlite3StrICmp(zTab,pParse->pTriggerTab->zName)==0)  in lookupName()
447         }else if( op!=TK_DELETE && zTab && sqlite3StrICmp("new",zTab) == 0 ){  in lookupName()
450         }else if( op!=TK_INSERT && zTab && sqlite3StrICmp("old",zTab)==0 ){  in lookupName()
457       if( (pNC->ncFlags & NC_UUpsert)!=0 && zTab!=0 ){  in lookupName()
459         if( pUpsert && sqlite3StrICmp("excluded",zTab)==0 ){  in lookupName()
569      && zTab==0  in lookupName()
600           assert( zTab==0 && zDb==0 );  in lookupName()
628   if( cnt==0 && zTab==0 ){  in lookupName()
695       sqlite3ErrorMsg(pParse, "%s: %s.%s.%s", zErr, zDb, zTab, zCol);  in lookupName()
696     }else if( zTab ){  in lookupName()
697       sqlite3ErrorMsg(pParse, "%s: %s.%s", zErr, zTab, zCol);  in lookupName()