QUERY PLAN
HashAggregate (cost=810.61..813.18 rows=206 width=36)
Group Key: c.project_id
-> Hash Right Join (cost=594.96..809.46 rows=229 width=36)
Hash Cond: (tbl_case_assignments.case_id = c.id)
-> HashAggregate (cost=217.93..324.64 rows=8537 width=36)
Group Key: tbl_case_assignments.case_id
-> Seq Scan on tbl_case_assignments (cost=0.00..174.95 rows=8595 width=12)
-> Hash (cost=374.17..374.17 rows=229 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..374.17 rows=229 width=8)
Filter: (project_id = ANY ('{2665,3954,3754,3150,3702,4137,3818,2783,3288,4095}'::integer[]))