QUERY PLAN
GroupAggregate (cost=808.54..809.49 rows=47 width=36)
Group Key: c.project_id
-> Sort (cost=808.54..808.66 rows=48 width=36)
Sort Key: c.project_id
-> Hash Right Join (cost=592.70..807.20 rows=48 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=48 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..374.17 rows=48 width=8)
Filter: (project_id = ANY ('{4056,4048,3684,3822,3446,4003,4073,3945,3834,4031}'::integer[]))