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51.54. `pg_subscription`
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51.54. `pg_subscription`

The catalog pg_subscription contains all existing logical replication subscriptions. For more information about logical replication see Chapter 29.

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

Access to the column subconninfo is revoked from normal users, because it could contain plain-text passwords.

Table 51.54. pg_subscription Columns

Column Type Description
`oid` `oid` Row identifier
`subdbid` `oid` (references `pg_database`.`oid`) OID of the database that 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
`subbinary` `bool` If true, the subscription will request that the publisher send data in binary format
`substream` `bool` If true, the subscription will allow streaming of in-progress transactions
`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` The `synchronous_commit` setting for the subscription's workers to use
`subpublications` `text[]` Array of subscribed publication names. These reference publications defined in the upstream database. For more on publications see Section 29.1.

Column Type

Description

oid oid

Row identifier

subdbid oid (references pg_database.oid)

OID of the database that 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

subbinary bool

If true, the subscription will request that the publisher send data in binary format

substream bool

If true, the subscription will allow streaming of in-progress transactions

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

The synchronous_commit setting for the subscription's workers to use

subpublications text[]

Array of subscribed publication names. These reference publications defined in the upstream database. For more on publications see Section 29.1.

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