Help Center/ Data Warehouse Service / Standard Data Warehouse (9.1.0.x)/ GaussDB(DWS) System Catalogs and Views/ System Catalogs/ PG_PUBLICATION_REL
Updated on 2025-06-12 GMT+08:00
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PG_PUBLICATION_REL

PG_PUBLICATION_REL records the mapping between publications and tables in the current database, which is a many-to-many mapping. This system catalog is supported only by clusters of version 8.2.0.100 or later.

To check detailed information, you are advised to use the PG_PUBLICATION_TABLES view.

Table 1 PG_PUBLICATION_REL columns

Name

Type

Reference

Description

OID

OID

-

Row identifier (hidden attribute; displayed only when explicitly selected)

prpubid

OID

PG_PUBLICATION.oid

Publication OID in the mapping

prrelid

OID

PG_CLASS.oid

OID of the mapped table

Examples

View all mappings between publications and tables.

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postgres=# SELECT * FROM pg_publication_rel;
 prpubid | prrelid 
---------+---------
   16797 |   16757
   16797 |   16776
(2 rows)
Parent Topic: System Catalogs