QUERY PLAN
Sort (cost=46.43..46.44 rows=6 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=9.24..46.35 rows=6 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..37.09 rows=6 width=12)
Filter: (project_id = ANY ('{4184,4182,4173,4167,4166,3703}'::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)