Join by Query

static void CustTableSales(Args _args)

{

    Query                             query;

    QueryRun                       queryrun;

    QueryBuildDataSource     qbds1;

    QueryBuildDataSource     qbds2;

    QueryBuildRange             qbr1;

    QueryBuildRange             qbr2;

    CustTable                        custTable;

    ;

    query     = new query();

    qbds1    =   query.addDataSource(tablenum(CustTable));

    qbds1.addSortField(fieldnum(custTable,AccountNum),Sortorder::Descending);

    qbr1    = qbds1.addRange(fieldnum(custTable,custGroup));

    qbr1.value(queryvalue('10'));

    qbr2     =  qbds1.addRange(fieldnum(custTable,Blocked));

    qbr2.value(queryvalue(CustVendorBlocked::No));

    qbds2   = qbds1.addDataSource(tablenum(SalesTable));

    qbds2.relations(false);

    qbds2.joinMode(joinmode::ExistsJoin);

    qbds2.addLink(fieldnum(CustTable,AccountNum),fieldnum(SalesTable,CustAccount));

    queryrun    = new queryrun(query);

    while(queryrun.next())

    {

    custTable   = queryrun.get(tablenum(custTable));

    info(strfmt("%1 - %2",custtable.AccountNum,custTable.Name));

    }

}