QUERY PLAN
GroupAggregate (cost=1102.75..1105.27 rows=109 width=44)
Group Key: c.project_id
-> Sort (cost=1102.75..1103.04 rows=115 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=913.22..1098.82 rows=115 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=501.27..501.27 rows=115 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..501.27 rows=115 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{4179,4174,4173,4079,4170,4175,4155,4172,4171,4151,4169,4168,4144,4167,4161,4166,1018,1111,2504,1791}'::integer[])))