QUERY PLAN
Limit (cost=240.36..240.38 rows=10 width=158)
-> Sort (cost=240.36..240.52 rows=64 width=158)
Sort Key: (CASE c.user_status WHEN 3 THEN 1 WHEN 1 THEN 0 ELSE c.user_status END) DESC, c.updated_at DESC
-> GroupAggregate (cost=237.37..238.97 rows=64 width=158)
Group Key: c.id
-> Sort (cost=237.37..237.53 rows=64 width=154)
Sort Key: c.id
-> Nested Loop (cost=151.13..235.45 rows=64 width=154)
-> Index Only Scan using tbl_clients_pkey on tbl_clients client (cost=0.28..8.29 rows=1 width=4)
Index Cond: (id = 982)
-> Hash Right Join (cost=150.85..226.52 rows=64 width=154)
Hash Cond: (cm.contact_id = c.id)
-> Seq Scan on tbl_contact_mobiles cm (cost=0.00..74.92 rows=285 width=8)
Filter: (mp_open_id IS NOT NULL)
-> Hash (cost=150.05..150.05 rows=64 width=150)
-> Seq Scan on tbl_contacts c (cost=0.00..150.05 rows=64 width=150)
Filter: (client_id = 982)