QUERY PLAN
GroupAggregate (cost=650.99..651.31 rows=14 width=44)
Group Key: c.project_id
-> Sort (cost=650.99..651.03 rows=14 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=606.03..650.73 rows=14 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=104.58..128.85 rows=1618 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..88.30 rows=1628 width=24)
Filter: (NOT is_draft)
-> Hash (cost=501.27..501.27 rows=14 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..501.27 rows=14 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4128,4090,4080,4074,4045,4028,4008,3969,3906,3873,3841,3807,3797,3781,3776,3749,3740,3709,3708,3707}'::integer[])))