目錄 pg_subscription 包含所有現有訂閱的邏輯複寫。有關邏輯複寫的相關資訊，請參閱第 30 章。
與大多數系統目錄不同，pg_subscription 在叢集的所有資料庫之間是共享的：每個叢集只有一個 pg_subscription，而不是每個資料庫一個。
普通使用者沒有權限讀取 subconninfo 欄位，因為該欄位可能包含純文字密碼。
pg_subscription ColumnsLast updated
Column Type
Description
oid oid
Row identifier
subdbid oid (references pg_database.oid)
OID of the database which the subscription resides in
subname name
Name of the subscription
subowner oid (references pg_authid.oid)
Owner of the subscription
subenabled bool
If true, the subscription is enabled and should be replicating.
subconninfo text
Connection string to the upstream database
subslotname name
Name of the replication slot in the upstream database (also used for the local replication origin name); null represents NONE
subsynccommit text
Contains the value of the synchronous_commit setting for the subscription workers.
subpublications text[]
Array of subscribed publication names. These reference the publications on the publisher server. For more on publications see Section 30.1.