Report Query using for To get record in fetch

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//Stud is Table(DS)
//qr is object for QueryRun class
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public boolean fetch()
{
boolean ret;
QueryRun qr;
;
qr = new QueryRun(this.query());//
// following statement is executes depends on count of records in table

while(qr.next())
{
Stud = qr.get(tablenum(Stud));// getting table num

while select Stud
{
this.send(Stud);
}
}
//ret = super();

return true;
}
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