QUERY PLAN
GroupAggregate (cost=1077.66..1078.55 rows=39 width=44)
Group Key: c.project_id
-> Sort (cost=1077.66..1077.76 rows=40 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=891.00..1076.60 rows=40 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=40 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..479.99 rows=40 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{4118,4103,4115,4130,4124,4094,4121,4127,4085,4101,4112,4100,4116,4119,4093,4102,4096,4090}'::integer[])))