QUERY PLAN
GroupAggregate (cost=490.98..491.04 rows=3 width=44)
Group Key: c.project_id
-> Sort (cost=490.98..490.98 rows=3 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=446.26..490.95 rows=3 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=341.64..341.64 rows=3 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..341.64 rows=3 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{3109,3022,2755,2745,1366}'::integer[])))