QUERY PLAN
Hash Left Join (cost=9.24..44.56 rows=5 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..35.30 rows=5 width=12)
Filter: (project_id = ANY ('{4167,4166,4161,4164,4155}'::integer[]))
-> Hash (cost=7.44..7.44 rows=144 width=13)
-> Seq Scan on tbl_users u (cost=0.00..7.44 rows=144 width=13)