PHP код:
Query query;
QueryBuildDataSource qbds;
;
query = new Query();
qbds = query.addDataSource(tableNum(LedgerTrans));
qbds.addDataSource(tableNum(VendTrans));
qbds.addLink(fieldNum(LedgerTrans, Voucher), fieldNum(VendTrans, Voucher));
qbds.joinMode(JoinMode::ExistsJoin);