QUERY PLAN
GroupAggregate (cost=1102.23..1104.10 rows=82 width=44)
Group Key: c.project_id
-> Sort (cost=1102.23..1102.44 rows=85 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=913.88..1099.50 rows=85 width=20)
Hash Cond: (tbl_implement_records.case_id = c.id)
-> HashAggregate (cost=410.53..511.32 rows=6719 width=20)
Group Key: tbl_implement_records.case_id
-> Seq Scan on tbl_implement_records (cost=0.00..340.29 rows=7024 width=24)
Filter: (NOT is_draft)
-> Hash (cost=502.29..502.29 rows=85 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..502.29 rows=85 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{1018,4184,4186,4126,2290,4024,4185,4182,4183,4181,4174,4146,3957,3796,3854,4173,4180,4179,4178,4177}'::integer[])))