QUERY PLAN
Aggregate (cost=346.88..346.89 rows=1 width=8)
-> Group (cost=346.86..346.86 rows=1 width=4)
Group Key: c.id
-> Sort (cost=346.86..346.86 rows=1 width=4)
Sort Key: c.id
-> Nested Loop (cost=0.28..346.85 rows=1 width=4)
-> Seq Scan on tbl_case_assignments ca (cost=0.00..192.88 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..6.85 rows=1 width=8)
Index Cond: (id = ca.case_id)
Filter: (case_status = ANY ('{1,2,3}'::integer[]))