53.55. pg_subscription_rel
 The catalog pg_subscription_rel contains the state for each replicated relation in each subscription. This is a many-to-many mapping. 
 This catalog only contains tables known to the subscription after running either CREATE SUBSCRIPTION or ALTER SUBSCRIPTION ... REFRESH PUBLICATION. 
Table 53.55. pg_subscription_rel Columns
Column Type Description  | 
|---|
 Reference to subscription  | 
 Reference to relation  | 
  State code:   | 
  Remote LSN of the state change used for synchronization coordination when in   |