QUERY PLAN
Sort (cost=53.52..53.53 rows=5 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=18.24..53.46 rows=5 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..35.20 rows=5 width=12)
Filter: (project_id = ANY ('{3109,3022,2755,2745,1366}'::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)