QUERY PLAN
Sort (cost=70.44..70.50 rows=21 width=21)
Sort Key: tbl_project_architects.contribution DESC, tbl_project_architects.engineer_id
-> Hash Left Join (cost=9.17..69.98 rows=21 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..60.76 rows=21 width=12)
Filter: (project_id = ANY ('{3927,3934,3930,3929,3928,3926,3925,3924,3751,3922,3919,3882,3920,3883,3916,3841,3910,3906,3911,3900}'::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)