QUERY PLAN
Nested Loop Left Join (cost=0.14..37.73 rows=1 width=21)
-> Seq Scan on tbl_project_architects (cost=0.00..29.45 rows=1 width=12)
Filter: (project_id = 1791)
-> Index Scan using tbl_users_pkey on tbl_users u (cost=0.14..8.16 rows=1 width=13)
Index Cond: (tbl_project_architects.engineer_id = id)