QUERY PLAN
Aggregate (cost=8.31..8.32 rows=1 width=8)
-> Sort (cost=8.26..8.27 rows=3 width=65)
Sort Key: start_at
-> Nested Loop (cost=0.00..8.24 rows=3 width=65)
-> Seq Scan on tbl_users u (cost=0.00..8.16 rows=1 width=4)
Filter: ((id = 1015) AND (department_id = 2))
-> Append (cost=0.00..0.02 rows=3 width=65)
-> Result (cost=0.00..0.00 rows=0 width=49)
One-Time Filter: false
-> Result (cost=0.00..0.02 rows=2 width=65)
-> Append (cost=0.00..0.00 rows=2 width=65)
-> Result (cost=0.00..0.00 rows=0 width=109)
One-Time Filter: false
-> Subquery Scan on "*SELECT* 3" (cost=0.00..0.00 rows=1 width=65)
-> Result (cost=0.00..0.00 rows=0 width=549)
One-Time Filter: false