QUERY PLAN
GroupAggregate (cost=583.32..583.59 rows=12 width=44)
Group Key: c.project_id
-> Sort (cost=583.32..583.35 rows=12 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=541.39..583.11 rows=12 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=98.42..121.07 rows=1510 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..83.22 rows=1520 width=24)
Filter: (NOT is_draft)
-> Hash (cost=442.82..442.82 rows=12 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..442.82 rows=12 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{3758,3689,3594,3580,3452,3796,3801,3665,3784,3781,3727,3725,3703,3256,2777,3488,3800,3793,3794,3792}'::integer[])))