QUERY PLAN
GroupAggregate (cost=546.85..547.85 rows=44 width=44)
Group Key: c.project_id
-> Sort (cost=546.85..546.96 rows=45 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=500.81..545.62 rows=45 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=395.52..395.52 rows=45 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..395.52 rows=45 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{2665,3954,3754,3150,3702,4137,3818,2783,3288,4095}'::integer[])))