pg_publication_namespace — PostgreSQL system catalog

Summary

The catalog pg_publication_namespace contains the mapping between schemas and publications in the database. This is a many-to-many mapping.

(Description quoted from the official PostgreSQL documentation.)

Columns

The pg_publication_namespace system catalog exposes the following columns (names, types and descriptions are taken verbatim from the PostgreSQL documentation):

• oid oid
  Row identifier
• pnpubid oid references pg_publication.oid
  Reference to publication
• pnnspid oid references pg_namespace.oid
  Reference to schema

Related catalogs

This object references the following other system catalogs:

• pnpubid → pg_publication
• pnnspid → pg_namespace

Version applicability

Present in PostgreSQL 17, 18, 19 (verified against each release’s documentation). This is a long-standing system object that also exists in earlier PostgreSQL releases.

Related & references

• PostgreSQL system catalog & view index
• Built-in function reference

Reference: PostgreSQL documentation — pg_publication_namespace.