QUERY PLAN
GroupAggregate (cost=961.10..961.99 rows=39 width=44)
Group Key: c.project_id
-> Sort (cost=961.10..961.20 rows=40 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=797.87..960.03 rows=40 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=442.82..442.82 rows=40 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..442.82 rows=40 width=8)
Filter: ((case_type = 2) AND (project_id = ANY ('{3805,3814,3811,3798,3695,3232,3813,3812,3810,3809,3808,3807,3804,3806,3461,3787,3778,3803,3702,3797}'::integer[])))