<para>
Create publications for the tables. The publications <literal>pub2</literal>
- and <literal>pub3a</literal> disallow some <literal>publish</literal>
+ and <literal>pub3a</literal> disallow some
+ <link linkend="sql-createpublication-with-publish"><literal>publish</literal></link>
operations. The publication <literal>pub3b</literal> has a row filter (see
<xref linkend="logical-replication-row-filter"/>).
<programlisting>
<para>
If the publication contains a partitioned table, the publication parameter
- <literal>publish_via_partition_root</literal> determines which row filter
- is used. If <literal>publish_via_partition_root</literal> is <literal>true</literal>,
- the <emphasis>root partitioned table's</emphasis> row filter is used. Otherwise,
- if <literal>publish_via_partition_root</literal> is <literal>false</literal>
- (default), each <emphasis>partition's</emphasis> row filter is used.
+ <link linkend="sql-createpublication-with-publish-via-partition-root"><literal>publish_via_partition_root</literal></link>
+ determines which row filter is used. If <literal>publish_via_partition_root</literal>
+ is <literal>true</literal>, the <emphasis>root partitioned table's</emphasis>
+ row filter is used. Otherwise, if <literal>publish_via_partition_root</literal>
+ is <literal>false</literal> (default), each <emphasis>partition's</emphasis>
+ row filter is used.
</para>
</sect2>
<warning>
<para>
Because initial data synchronization does not take into account the
- <literal>publish</literal> parameter when copying existing table data,
- some rows may be copied that would not be replicated using DML. Refer to
+ <link linkend="sql-createpublication-with-publish"><literal>publish</literal></link>
+ parameter when copying existing table data, some rows may be copied that
+ would not be replicated using DML. Refer to
<xref linkend="logical-replication-snapshot"/>, and see
<xref linkend="logical-replication-subscription-examples"/> for examples.
</para>
<para>
If the subscription has several publications in which the same table has
- been published with different row filters (for the same <literal>publish</literal>
+ been published with different row filters (for the same
+ <link linkend="sql-createpublication-with-publish"><literal>publish</literal></link>
operation), those expressions get ORed together, so that rows satisfying
<emphasis>any</emphasis> of the expressions will be replicated. This means all
the other row filters for the same table become redundant if:
</listitem>
<listitem>
<para>
- One of the publications was created using <literal>FOR ALL TABLES</literal>.
+ One of the publications was created using
+ <link linkend="sql-createpublication-for-all-tables"><literal>FOR ALL TABLES</literal></link>.
This clause does not allow row filters.
</para>
</listitem>
<listitem>
<para>
One of the publications was created using
- <literal>FOR TABLES IN SCHEMA</literal> and the table belongs to
- the referred schema. This clause does not allow row filters.
+ <link linkend="sql-createpublication-for-tables-in-schema"><literal>FOR TABLES IN SCHEMA</literal></link>
+ and the table belongs to the referred schema. This clause does not allow
+ row filters.
</para>
</listitem>
</itemizedlist></para>
<para>
The following examples show how the publication parameter
- <literal>publish_via_partition_root</literal> determines whether the row
- filter of the parent or child table will be used in the case of partitioned
- tables.
+ <link linkend="sql-createpublication-with-publish-via-partition-root"><literal>publish_via_partition_root</literal></link>
+ determines whether the row filter of the parent or child table will be used
+ in the case of partitioned tables.
</para>
<para>
<para>
Specifying a column list when the publication also publishes
- <literal>FOR TABLES IN SCHEMA</literal> is not supported.
+ <link linkend="sql-createpublication-for-tables-in-schema"><literal>FOR TABLES IN SCHEMA</literal></link>
+ is not supported.
</para>
<para>
For partitioned tables, the publication parameter
- <literal>publish_via_partition_root</literal> determines which column list
- is used. If <literal>publish_via_partition_root</literal> is
- <literal>true</literal>, the root partitioned table's column list is used.
- Otherwise, if <literal>publish_via_partition_root</literal> is
+ <link linkend="sql-createpublication-with-publish-via-partition-root"><literal>publish_via_partition_root</literal></link>
+ determines which column list is used. If <literal>publish_via_partition_root</literal>
+ is <literal>true</literal>, the root partitioned table's column list is
+ used. Otherwise, if <literal>publish_via_partition_root</literal> is
<literal>false</literal> (the default), each partition's column list is used.
</para>
tables.) Publications can also specify that changes are to be replicated
using the identity and schema of the partitioned root table instead of
that of the individual leaf partitions in which the changes actually
- originate (see <link linkend="sql-createpublication"><command>CREATE PUBLICATION</command></link>).
+ originate (see
+ <link linkend="sql-createpublication-with-publish-via-partition-root"><literal>publish_via_partition_root</literal></link>
+ parameter of <command>CREATE PUBLICATION</command>).
</para>
</listitem>
</itemizedlist>
</para>
<note>
<para>
- The publication <literal>publish</literal> parameter only affects what
- DML operations will be replicated. The initial data synchronization does
- not take this parameter into account when copying the existing table data.
+ The publication
+ <link linkend="sql-createpublication-with-publish"><literal>publish</literal></link>
+ parameter only affects what DML operations will be replicated. The
+ initial data synchronization does not take this parameter into account
+ when copying the existing table data.
</para>
</note>
</sect2>
and <literal>TRIGGER</literal> privilege on such tables to trusted roles.
Moreover, if untrusted users can create tables, use only
publications that list tables explicitly. That is to say, create a
- subscription <literal>FOR ALL TABLES</literal> or
- <literal>FOR TABLES IN SCHEMA</literal> only when superusers trust
- every user permitted to create a non-temp table on the publisher or the
- subscriber.
+ subscription
+ <link linkend="sql-createpublication-for-all-tables"><literal>FOR ALL TABLES</literal></link>
+ or <link linkend="sql-createpublication-for-tables-in-schema"><literal>FOR TABLES IN SCHEMA</literal></link>
+ only when superusers trust every user permitted to create a non-temp table
+ on the publisher or the subscriber.
</para>
<para>
<literal>ALTER SUBSCRIPTION ... REFRESH PUBLICATION</literal> action on the
subscribing side in order to become effective. Note also that
<literal>DROP TABLES IN SCHEMA</literal> will not drop any schema tables
- that were specified using <literal>FOR TABLE</literal>/
+ that were specified using
+ <link linkend="sql-createpublication-for-table"><literal>FOR TABLE</literal></link>/
<literal>ADD TABLE</literal>, and the combination of <literal>DROP</literal>
with a <literal>WHERE</literal> clause is not allowed.
</para>
To alter the owner, you must be able to <literal>SET ROLE</literal> to the
new owning role, and that role must have <literal>CREATE</literal>
privilege on the database.
- Also, the new owner of a <literal>FOR ALL TABLES</literal> or
- <literal>FOR TABLES IN SCHEMA</literal>
+ Also, the new owner of a
+ <link linkend="sql-createpublication-for-all-tables"><literal>FOR ALL TABLES</literal></link>
+ or <link linkend="sql-createpublication-for-tables-in-schema"><literal>FOR TABLES IN SCHEMA</literal></link>
publication must be a superuser. However, a superuser can
change the ownership of a publication regardless of these restrictions.
</para>
the case of different <literal>WHERE</literal> clauses, if one of the
publications has no <literal>WHERE</literal> clause (referring to that
publish operation) or the publication is declared as
- <literal>FOR ALL TABLES</literal> or
- <literal>FOR TABLES IN SCHEMA</literal>, rows are always published
- regardless of the definition of the other expressions.
- If the subscriber is a <productname>PostgreSQL</productname> version before
- 15, then any row filtering is ignored during the initial data synchronization
- phase. For this case, the user might want to consider deleting any initially
- copied data that would be incompatible with subsequent filtering.
- Because initial data synchronization does not take into account the publication
- <literal>publish</literal> parameter when copying existing table data, some rows
- may be copied that would not be replicated using DML. See
+ <link linkend="sql-createpublication-for-all-tables"><literal>FOR ALL TABLES</literal></link>
+ or <link linkend="sql-createpublication-for-tables-in-schema"><literal>FOR TABLES IN SCHEMA</literal></link>,
+ rows are always published regardless of the definition of the other
+ expressions. If the subscriber is a <productname>PostgreSQL</productname>
+ version before 15, then any row filtering is ignored during the initial data
+ synchronization phase. For this case, the user might want to consider
+ deleting any initially copied data that would be incompatible with
+ subsequent filtering. Because initial data synchronization does not take
+ into account the publication
+ <link linkend="sql-createpublication-with-publish"><literal>publish</literal></link>
+ parameter when copying existing table data, some rows may be copied that
+ would not be replicated using DML. See
<xref linkend="logical-replication-subscription-examples"/> for examples.
</para>