## 51.42. `pg_replication_origin`

The `pg_replication_origin` catalog contains all replication origins created. For more on replication origins see Chapter 49.

Unlike most system catalogs, `pg_replication_origin` is shared across all databases of a cluster: there is only one copy of `pg_replication_origin` per cluster, not one per database.

Table 51.42. `pg_replication_origin` Columns

Column Type Description
`roident` `oid` A unique, cluster-wide identifier for the replication origin. Should never leave the system.
`roname` `text` The external, user defined, name of a replication origin.