QUERY PLAN
HashAggregate (cost=864.11..867.35 rows=259 width=44)
Group Key: c.client_id
-> Hash Right Join (cost=698.84..861.01 rows=414 width=20)
Hash Cond: (tbl_implement_records.case_id = c.id)
-> HashAggregate (cost=354.54..442.59 rows=5870 width=20)
Group Key: tbl_implement_records.case_id
-> Seq Scan on tbl_implement_records (cost=0.00..292.78 rows=6176 width=24)
Filter: (NOT is_draft)
-> Hash (cost=339.12..339.12 rows=414 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..339.12 rows=414 width=8)
Filter: ((case_type = 2) AND (client_id = ANY ('{189,54,1307,528,304,107,1121,518,3317}'::integer[])))