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 ('{4173,4172,4170,4169,4167,4166,4164,4161,4157,4155,4142,4127,4098,4096,4079,4078,3950,3751}'::integer[])))