CREATE PUBLICATION — define a new publication
name[ FOR TABLE [ ONLY ]
table_name[ * ] [, ...] | FOR ALL TABLES ] [ WITH (
value] [, ... ] ) ]
CREATE PUBLICATION adds a new publication into the current database. The publication name must be distinct from the name of any existing publication in the current database.
A publication is essentially a group of tables whose data changes are intended to be replicated through logical replication. See Section 31.1 for details about how publications fit into the logical replication setup.
The name of the new publication.
Specifies a list of tables to add to the publication. If
ONLY is specified before the table name, only that table is added to the publication. If
ONLY is not specified, the table and all its descendant tables (if any) are added. Optionally,
* can be specified after the table name to explicitly indicate that descendant tables are included.
Only persistent base tables can be part of a publication. Temporary tables, unlogged tables, foreign tables, materialized views, regular views, and partitioned tables cannot be part of a publication. To replicate a partitioned table, add the individual partitions to the publication.
FOR ALL TABLES
Marks the publication as one that replicates changes for all tables in the database, including tables created in the future.
value] [, ... ] )
This clause specifies optional parameters for a publication. The following parameters are supported:
This parameter determines which DML operations will be published by the new publication to the subscribers. The value is comma-separated list of operations. The allowed operations are
delete. The default is to publish all actions, and so the default value for this option is
'insert, update, delete'.
FOR TABLE nor
FOR ALL TABLES is specified, then the publication starts out with an empty set of tables. That is useful if tables are to be added later.
The creation of a publication does not start replication. It only defines a grouping and filtering logic for future subscribers.
To create a publication, the invoking user must have the
CREATE privilege for the current database. (Of course, superusers bypass this check.)
To add a table to a publication, the invoking user must have ownership rights on the table. The
FOR ALL TABLES clause requires the invoking user to be a superuser.
The tables added to a publication that publishes
DELETE operations must have
REPLICA IDENTITY defined. Otherwise those operations will be disallowed on those tables.
INSERT ... ON CONFLICT command, the publication will publish the operation that actually results from the command. So depending of the outcome, it may be published as either
UPDATE, or it may not be published at all.
COPY ... FROM commands are published as
TRUNCATE and DDL operations are not published.
Create a publication that publishes all changes in two tables:
CREATE PUBLICATION mypublication FOR TABLE users, departments;
Create a publication that publishes all changes in all tables:
CREATE PUBLICATION alltables FOR ALL TABLES;
Create a publication that only publishes
INSERT operations in one table:
CREATE PUBLICATION insert_only FOR TABLE mydata WITH (publish = 'insert');
CREATE PUBLICATION is a PostgreSQL extension.
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