QUERY PLAN
Sort (cost=45.04..45.05 rows=6 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=9.13..44.96 rows=6 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..35.82 rows=6 width=12)
Filter: (project_id = ANY ('{3739,3692,3493,3297,3375,110}'::integer[]))
-> Hash (cost=7.39..7.39 rows=139 width=13)
-> Seq Scan on tbl_users u (cost=0.00..7.39 rows=139 width=13)