104 lines
4.3 KiB
Plaintext
104 lines
4.3 KiB
Plaintext
<!--
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doc/src/sgml/ref/alter_routine.sgml
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PostgreSQL documentation
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-->
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<refentry id="sql-alterroutine">
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<indexterm zone="sql-alterroutine">
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<primary>ALTER ROUTINE</primary>
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</indexterm>
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<refmeta>
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<refentrytitle>ALTER ROUTINE</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>ALTER ROUTINE</refname>
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<refpurpose>change the definition of a routine</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) ]
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<replaceable class="parameter">action</replaceable> [ ... ] [ RESTRICT ]
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ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) ]
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RENAME TO <replaceable>new_name</replaceable>
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ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) ]
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OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
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ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) ]
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SET SCHEMA <replaceable>new_schema</replaceable>
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ALTER ROUTINE <replaceable>name</replaceable> [ ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) ]
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[ NO ] DEPENDS ON EXTENSION <replaceable>extension_name</replaceable>
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<phrase>where <replaceable class="parameter">action</replaceable> is one of:</phrase>
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IMMUTABLE | STABLE | VOLATILE
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[ NOT ] LEAKPROOF
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[ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
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PARALLEL { UNSAFE | RESTRICTED | SAFE }
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COST <replaceable class="parameter">execution_cost</replaceable>
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ROWS <replaceable class="parameter">result_rows</replaceable>
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SET <replaceable class="parameter">configuration_parameter</replaceable> { TO | = } { <replaceable class="parameter">value</replaceable> | DEFAULT }
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SET <replaceable class="parameter">configuration_parameter</replaceable> FROM CURRENT
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RESET <replaceable class="parameter">configuration_parameter</replaceable>
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RESET ALL
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>ALTER ROUTINE</command> changes the definition of a routine, which
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can be an aggregate function, a normal function, or a procedure. See
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under <xref linkend="sql-alteraggregate"/>, <xref linkend="sql-alterfunction"/>,
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and <xref linkend="sql-alterprocedure"/> for the description of the
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parameters, more examples, and further details.
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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To rename the routine <literal>foo</literal> for type
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<type>integer</type> to <literal>foobar</literal>:
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<programlisting>
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ALTER ROUTINE foo(integer) RENAME TO foobar;
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</programlisting>
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This command will work independent of whether <literal>foo</literal> is an
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aggregate, function, or procedure.
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</para>
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</refsect1>
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<refsect1>
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<title>Compatibility</title>
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<para>
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This statement is partially compatible with the <command>ALTER
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ROUTINE</command> statement in the SQL standard. See
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under <xref linkend="sql-alterfunction"/>
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and <xref linkend="sql-alterprocedure"/> for more details. Allowing
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routine names to refer to aggregate functions is
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a <productname>PostgreSQL</productname> extension.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-alteraggregate"/></member>
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<member><xref linkend="sql-alterfunction"/></member>
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<member><xref linkend="sql-alterprocedure"/></member>
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<member><xref linkend="sql-droproutine"/></member>
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</simplelist>
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<para>
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Note that there is no <literal>CREATE ROUTINE</literal> command.
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</para>
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</refsect1>
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</refentry>
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