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| author | Michael Paquier <michael@paquier.xyz> | 2024-03-08 09:31:52 +0900 |
|---|---|---|
| committer | Michael Paquier <michael@paquier.xyz> | 2024-03-08 09:31:52 +0900 |
| commit | d61a6cad6418f643a5773352038d0dfe5d3535b8 (patch) | |
| tree | 10791cac8cc32610b5784768d966b2eaa0109f67 /doc/src | |
| parent | 4f8c1e7aaf11c42fa658eeab9baef0a035e76fe2 (diff) | |
| download | postgresql-d61a6cad6418f643a5773352038d0dfe5d3535b8.tar.gz postgresql-d61a6cad6418f643a5773352038d0dfe5d3535b8.zip | |
Add support for DEFAULT in ALTER TABLE .. SET ACCESS METHOD
This option can be used to switch a relation to use the access method
set by default_table_access_method when running the command.
This has come up when discussing the possibility to support setting
pg_class.relam for partitioned tables (left out here as future work),
while being useful on its own for relations with physical storage as
these must have an access method set.
Per suggestion from Justin Pryzby.
Author: Michael Paquier
Reviewed-by: Justin Pryzby
Discussion: https://postgr.es/m/ZeCZ89xAVFeOmrQC@pryzbyj2023
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/alter_table.sgml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml index 9670671107e..96e3d776051 100644 --- a/doc/src/sgml/ref/alter_table.sgml +++ b/doc/src/sgml/ref/alter_table.sgml @@ -76,7 +76,7 @@ ALTER TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceable> CLUSTER ON <replaceable class="parameter">index_name</replaceable> SET WITHOUT CLUSTER SET WITHOUT OIDS - SET ACCESS METHOD <replaceable class="parameter">new_access_method</replaceable> + SET ACCESS METHOD { <replaceable class="parameter">new_access_method</replaceable> | DEFAULT } SET TABLESPACE <replaceable class="parameter">new_tablespace</replaceable> SET { LOGGED | UNLOGGED } SET ( <replaceable class="parameter">storage_parameter</replaceable> [= <replaceable class="parameter">value</replaceable>] [, ... ] ) @@ -733,7 +733,9 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM <listitem> <para> This form changes the access method of the table by rewriting it. See - <xref linkend="tableam"/> for more information. + <xref linkend="tableam"/> for more information. Writing + <literal>DEFAULT</literal> changes the access method of the table + to <xref linkend="guc-default-table-access-method"/>. </para> </listitem> </varlistentry> |