QUERY PLAN
Sort (cost=16.31..16.31 rows=1 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Right Join (cost=8.31..16.30 rows=1 width=21)
Hash Cond: (u.id = tbl_project_architects.engineer_id)
-> Seq Scan on tbl_users u (cost=0.00..7.44 rows=144 width=13)
-> Hash (cost=8.29..8.29 rows=1 width=12)
-> Index Scan using tbl_project_architects_project_engineer_idx on tbl_project_architects (cost=0.28..8.29 rows=1 width=12)
Index Cond: (project_id = 4184)