QUERY PLAN
Sort (cost=80.80..80.86 rows=23 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=18.24..80.28 rows=23 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..61.98 rows=23 width=12)
Filter: (project_id = ANY ('{2,3,4,5,6,7,8,10,11,12,13,14,15,16,18,19,20,21,22,23}'::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)