PG_SUBSCRIPTION_REL
The system catalog PG_SUBSCRIPTION_REL contains the status of each replicated table in each subscription. It is a many-to-many mapping.
This system catalog contains only tables known to the subscription after running CREATE SUBSCRIPTION or ALTER SUBSCRIPTION… REFRESH PUBLICATION.
Table 1 PG_SUBSCRIPTION_REL columns
Name  | Type  | Description  | 
|---|
srsubid  | oid  | Identifier of the subscription.  | 
srrelid  | oid  | Subscription relationship ID.  | 
srsubstate  | char  | Subscription status. i: Initialization.d: Basic data being replicated.f: Basic data replication completed.s: Progress synchronized with incremental replication.r: Incremental replication ready. | 
srcsn  | int8  | Snapshot CSN during basic data replication.  | 
srsublsn  | text  | Remote LSN used to synchronize the incremental replication progress in the s or r state. Otherwise, the value is null.  | 
openGauss 2025-11-03 22:43:51