QUERY PLAN
GroupAggregate (cost=476.65..476.72 rows=3 width=44)
Group Key: c.project_id
-> Sort (cost=476.65..476.66 rows=3 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=433.26..476.63 rows=3 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=101.62..125.17 rows=1570 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..85.82 rows=1580 width=24)
Filter: (NOT is_draft)
-> Hash (cost=331.60..331.60 rows=3 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..331.60 rows=3 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{3954,3952,3942,3864,3867,3820}'::integer[])))