sum fieldId

[Roman777]

    fieldId         fid;
    tableid         tid;

    Query                   q;
    QueryRun                qr;
    QueryBuildDataSource    qbds;

    Amount                  sumres = 0;
    common                  someTable;
    ;

    tid     = tableNum(LedgerTrans);
    fid     = fieldNum(LedgerTrans, recid);

    q       = new Query();
    qbds    = q.addDataSource(tid);
    qbds.addSelectionField(fid, SelectionField::Sum);
    qr      = new QueryRun(q);
    qr.next();

    someTable   = qr.get(tid);
    sumres      = someTable.(fid);