diff options
Diffstat (limited to 'doc/src/sgml/ref/alter_function.sgml')
| -rw-r--r-- | doc/src/sgml/ref/alter_function.sgml | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/alter_function.sgml b/doc/src/sgml/ref/alter_function.sgml index d8747e07482..03ffa5945a2 100644 --- a/doc/src/sgml/ref/alter_function.sgml +++ b/doc/src/sgml/ref/alter_function.sgml @@ -40,6 +40,7 @@ ALTER FUNCTION <replaceable>name</replaceable> [ ( [ [ <replaceable class="param PARALLEL { UNSAFE | RESTRICTED | SAFE } COST <replaceable class="parameter">execution_cost</replaceable> ROWS <replaceable class="parameter">result_rows</replaceable> + SUPPORT <replaceable class="parameter">support_function</replaceable> SET <replaceable class="parameter">configuration_parameter</replaceable> { TO | = } { <replaceable class="parameter">value</replaceable> | DEFAULT } SET <replaceable class="parameter">configuration_parameter</replaceable> FROM CURRENT RESET <replaceable class="parameter">configuration_parameter</replaceable> @@ -248,6 +249,24 @@ ALTER FUNCTION <replaceable>name</replaceable> [ ( [ [ <replaceable class="param </listitem> </varlistentry> + <varlistentry> + <term><literal>SUPPORT</literal> <replaceable class="parameter">support_function</replaceable></term> + + <listitem> + <para> + Set or change the planner support function to use for this function. + See <xref linkend="xfunc-optimization"/> for details. You must be + superuser to use this option. + </para> + + <para> + This option cannot be used to remove the support function altogether, + since it must name a new support function. Use <command>CREATE OR + REPLACE FUNCTION</command> if you need to do that. + </para> + </listitem> + </varlistentry> + <varlistentry> <term><replaceable>configuration_parameter</replaceable></term> <term><replaceable>value</replaceable></term> |