QUERY PLAN
Sort (cost=70.48..70.53 rows=21 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=9.17..70.02 rows=21 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..60.79 rows=21 width=12)
Filter: (project_id = ANY ('{3940,3807,3256,3841,3906,3874,3873,3797,3781,3776,3740,3657,3708,3707,3706,3705,3522,3709,3676,3504}'::integer[]))
-> Hash (cost=7.41..7.41 rows=141 width=13)
-> Seq Scan on tbl_users u (cost=0.00..7.41 rows=141 width=13)