QUERY PLAN
GroupAggregate (cost=610.22..610.45 rows=10 width=44)
Group Key: c.project_id
-> Sort (cost=610.22..610.25 rows=10 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=566.19..610.06 rows=10 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=102.98..126.80 rows=1588 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..87.00 rows=1598 width=24)
Filter: (NOT is_draft)
-> Hash (cost=463.08..463.08 rows=10 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..463.08 rows=10 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4048,3927,3949,3899,3890,3886,3872,3857,3855,3816,3786,3767,3764,3760,3752,3744,3723,3644}'::integer[])))