QUERY PLAN
Append (cost=0.00..87.45 rows=3 width=153)
-> Seq Scan on tbl_sales_contracts (cost=0.00..81.32 rows=1 width=150)
Filter: ((client_id = 2133) AND ((amount - erp_all_settle_amount) > '0'::numeric))
-> Seq Scan on tbl_erp_cost_tickets (cost=0.00..3.19 rows=1 width=170)
Filter: ((status = 2) AND (client_id = 2133) AND ((amount - all_settle_amount) > '0'::numeric))
-> Seq Scan on tbl_erp_other_payment_tickets (cost=0.00..2.91 rows=1 width=138)
Filter: ((status = 2) AND (client_id = 2133) AND ((amount - all_settle_amount) > '0'::numeric))