QUERY PLAN
Hash Left Join (cost=9.17..70.61 rows=21 width=21)
Hash Cond: (tbl_project_architects.engineer_id = u.id)
-> Seq Scan on tbl_project_architects (cost=0.00..61.39 rows=21 width=12)
Filter: (project_id = ANY ('{3960,4006,4003,3969,3888,3956,3922,3883,3917,3841,3910,3911,3900,3898,3875,3834,3866,3869,3852,3863}'::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)