QUERY PLAN
Aggregate (cost=364.37..364.38 rows=1 width=8)
-> Group (cost=364.35..364.36 rows=1 width=4)
Group Key: c.id
-> Sort (cost=364.35..364.36 rows=1 width=4)
Sort Key: c.id
-> Nested Loop (cost=0.28..364.34 rows=1 width=4)
-> Seq Scan on tbl_case_assignments ca (cost=0.00..202.91 rows=22 width=4)
Filter: ((assignment_status = ANY ('{1,2}'::integer[])) AND (engineer_id = 1001))
-> Index Scan using tbl_cases_pkey on tbl_cases c (cost=0.28..7.03 rows=1 width=8)
Index Cond: (id = ca.case_id)
Filter: (case_status = ANY ('{1,2,3}'::integer[]))