506       IdList *pUsing = 0;  in sqlite3ProcessJoin()  local
518           pUsing = sqlite3IdListAppend(pParse, pUsing, 0);  in sqlite3ProcessJoin()
519           if( pUsing ){  in sqlite3ProcessJoin()
520             assert( pUsing->nId>0 );  in sqlite3ProcessJoin()
521             assert( pUsing->a[pUsing->nId-1].zName==0 );  in sqlite3ProcessJoin()
522             pUsing->a[pUsing->nId-1].zName = sqlite3DbStrDup(pParse->db, zName);  in sqlite3ProcessJoin()
526       if( pUsing ){  in sqlite3ProcessJoin()
529         pRight->u3.pUsing = pUsing;  in sqlite3ProcessJoin()
542       IdList *pList = pRight->u3.pUsing;  in sqlite3ProcessJoin()
585              || sqlite3IdListIndex(pSrc->a[iLeft].u3.pUsing, zName)<0  in sqlite3ProcessJoin()
4562       if( pItem->fg.isUsing ) sqlite3IdListDelete(db, pItem->u3.pUsing);  in flattenSubquery()
5692     if( NEVER(pBase->u3.pUsing==0) ) continue;  in inAnyUsingClause()
5693     if( sqlite3IdListIndex(pBase->u3.pUsing, zName)>=0 ) return 1;  in inAnyUsingClause()
5916           IdList *pUsing;              /* USING clause for pFrom[1] */  in selectExpander()  local
5941             pUsing = pFrom[1].u3.pUsing;  in selectExpander()
5942             for(ii=0; ii<pUsing->nId; ii++){  in selectExpander()
5943               const char *zUName = pUsing->a[ii].zName;  in selectExpander()
5955             pUsing = 0;  in selectExpander()
5988                && sqlite3IdListIndex(pFrom->u3.pUsing, zName)>=0  in selectExpander()
6034                    && sqlite3IdListIndex(pFrom->u3.pUsing, zName)>=0)  in selectExpander()
6035                || (pUsing && sqlite3IdListIndex(pUsing, zName)>=0)  in selectExpander()