expression="(select nvl(sum(ctr.this_return_amount),0) from csh_transaction_return ctr where ctr.transaction_id = t1.transaction_id and ctr.status = 'APPROVING')"
expression="(select nvl(sum(ctr.this_return_amount),0) from csh_transaction_return ctr where ctr.transaction_id = t1.transaction_id and ctr.status = 'APPROVING')"