QUERY PLAN
GroupAggregate (cost=652.14..652.39 rows=11 width=44)
Group Key: c.project_id
-> Sort (cost=652.14..652.17 rows=11 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=607.14..651.95 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=502.29..502.29 rows=11 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..502.29 rows=11 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4174,4172,4170,4169,4168,4167,4166,4144,4161,4164,4151,4157,4155,4142,4127,4098,4096,4079,4078,3950}'::integer[])))