QUERY PLAN
Hash Left Join (cost=9.13..68.82 rows=21 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..59.64 rows=21 width=12)
Filter: (project_id = ANY ('{3809,3808,3807,3804,3806,3461,3796,3801,3800,3793,3794,3792,3791,3769,3789,3788,3786,3782,3771,3785}'::integer[]))
-> Hash (cost=7.39..7.39 rows=139 width=13)
-> Seq Scan on tbl_users u (cost=0.00..7.39 rows=139 width=13)