QUERY PLAN
GroupAggregate (cost=865.94..866.39 rows=20 width=44)
Group Key: c.project_id
-> Sort (cost=865.94..865.99 rows=20 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=703.34..865.51 rows=20 width=20)
Hash Cond: (tbl_implement_records.case_id = c.id)
-> HashAggregate (cost=354.54..442.59 rows=5870 width=20)
Group Key: tbl_implement_records.case_id
-> Seq Scan on tbl_implement_records (cost=0.00..292.78 rows=6176 width=24)
Filter: (NOT is_draft)
-> Hash (cost=348.55..348.55 rows=20 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..348.55 rows=20 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{3805,3811,3739,3801,3461,3577,3807,3796,3809,3810}'::integer[])))