QUERY PLAN
GroupAggregate (cost=1081.25..1083.68 rows=105 width=44)
Group Key: c.project_id
-> Sort (cost=1081.25..1081.53 rows=111 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=891.89..1077.48 rows=111 width=20)
Hash Cond: (tbl_implement_records.case_id = c.id)
-> HashAggregate (cost=410.51..511.28 rows=6718 width=20)
Group Key: tbl_implement_records.case_id
-> Seq Scan on tbl_implement_records (cost=0.00..340.28 rows=7023 width=24)
Filter: (NOT is_draft)
-> Hash (cost=479.99..479.99 rows=111 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..479.99 rows=111 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{1929,1925,1791,1018,1111,1460,1240,986,983,887,884,883,778,764,861,88,4179,4175}'::integer[])))