QUERY PLAN
GroupAggregate (cost=609.44..609.69 rows=11 width=44)
Group Key: c.project_id
-> Sort (cost=609.44..609.47 rows=11 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=564.44..609.25 rows=11 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=104.72..129.05 rows=1622 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..88.37 rows=1635 width=24)
Filter: (NOT is_draft)
-> Hash (cost=459.58..459.58 rows=11 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..459.58 rows=11 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4139,4059,3956,3849,3919,3882,3917,3883,3898,3745,3538,3301,3105,3049,2831,2851}'::integer[])))