QUERY PLAN
GroupAggregate (cost=650.88..651.13 rows=11 width=44)
Group Key: c.project_id
-> Sort (cost=650.88..650.91 rows=11 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=605.99..650.69 rows=11 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=11 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..501.27 rows=11 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4091,4081,4080,3974,3970,3959,3256,4154,4152,4150,4139,4142,4128,4158,4130,4124,4127,4123,4121,4120}'::integer[])))