QUERY PLAN
GroupAggregate (cost=629.56..629.78 rows=10 width=44)
Group Key: c.project_id
-> Sort (cost=629.56..629.58 rows=10 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=584.69..629.39 rows=10 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=479.99..479.99 rows=10 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..479.99 rows=10 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4118,4103,4115,4130,4124,4094,4121,4127,4085,4101,4112,4100,4116,4119,4093,4102,4096,4090}'::integer[])))