QUERY PLAN
GroupAggregate (cost=630.95..631.27 rows=14 width=44)
Group Key: c.project_id
-> Sort (cost=630.95..630.99 rows=14 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=586.82..630.69 rows=14 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=483.66..483.66 rows=14 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..483.66 rows=14 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{3957,4005,3976,4002,3972,4034,4037,4026,4007,3986,4041,4031,4030,4029,4020,4017,4001,3997,3996,3994}'::integer[])))