QUERY PLAN
Sort (cost=66.21..66.25 rows=13 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=18.24..65.97 rows=13 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..47.70 rows=13 width=12)
Filter: (project_id = ANY ('{4184,4182,4183,4181,4173,4171,4152,4150,4158,2939,4179,4175}'::integer[]))
-> Hash (cost=16.44..16.44 rows=144 width=13)
-> Seq Scan on tbl_users u (cost=0.00..16.44 rows=144 width=13)