QUERY PLAN
Hash Left Join (cost=9.17..70.09 rows=21 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..60.86 rows=21 width=12)
Filter: (project_id = ANY ('{3959,3955,3880,3878,3854,3796,3956,3945,3953,3927,3951,3950,3947,3949,3948,3849,3939,3936,3941,3940}'::integer[]))
-> Hash (cost=7.41..7.41 rows=141 width=13)
-> Seq Scan on tbl_users u (cost=0.00..7.41 rows=141 width=13)