QUERY PLAN
Sort (cost=37.70..37.70 rows=1 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Nested Loop Left Join (cost=0.14..37.69 rows=1 width=21)
-> Seq Scan on tbl_project_architects (cost=0.00..29.41 rows=1 width=12)
Filter: (project_id = 3927)
-> Index Scan using tbl_users_pkey on tbl_users u (cost=0.14..8.16 rows=1 width=13)
Index Cond: (tbl_project_architects.engineer_id = id)