srsubid oid (references pg_subscription.oid)

Reference to subscription

srrelid oid (references pg_class.oid)

Reference to relation

srsubstate char

State code: i = initialize, d = data is being copied, s = synchronized, r = ready (normal replication)

srsublsn pg_lsn

Remote LSN of the state change used for synchronization coordination when in s or r states, otherwise null