QUERY PLAN
Sort (cost=77.10..77.15 rows=19 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=18.24..76.70 rows=19 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..58.41 rows=19 width=12)
Filter: (project_id = ANY ('{4173,4172,4170,4169,4167,4166,4164,4161,4157,4155,4142,4127,4098,4096,4079,4078,3950,3751}'::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)