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PostgreSQL documentation
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<refentry id="SQL-ALTERLANGUAGE">
 <refmeta>
  <refentrytitle id="SQL-ALTERLANGUAGE-title">ALTER LANGUAGE</refentrytitle>
  <refmiscinfo>SQL - Language Statements</refmiscinfo>
 </refmeta>

 <refnamediv>
  <refname>ALTER LANGUAGE</refname>
  <refpurpose>change the definition of a procedural language</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
<synopsis>
ALTER LANGUAGE <replaceable>name</replaceable> RENAME TO <replaceable>newname</replaceable>
</synopsis>
 </refsynopsisdiv>

 <refsect1>
  <title>Description</title>

  <para>
   <command>ALTER LANGUAGE</command> changes the definition of a
   language.  The only functionality is to rename the language.  Only
   a superuser can rename languages.
  </para>
 </refsect1>

 <refsect1>
  <title>Parameter</title>

  <variablelist>
   <varlistentry>
    <term><replaceable>name</replaceable></term>
    <listitem>
     <para>
      Name of a language
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><replaceable>newname</replaceable></term>
    <listitem>
     <para>
      The new name of the language
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1>
  <title>Diagnostics</title>

  <variablelist>
   <varlistentry>
    <term><computeroutput>ALTER LANGUAGE</computeroutput></term>
    <listitem>
     <para>
      Message returned if the alteration was successful.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1>
  <title>Compatibility</title>
    
  <para>
   There is no <command>ALTER LANGUAGE</command> statement in the SQL
   standard.
  </para>
 </refsect1>

 <refsect1>
  <title>See Also</title>

  <simplelist type="inline">
   <member><xref linkend="sql-createlanguage" endterm="sql-createlanguage-title"></member>
   <member><xref linkend="sql-droplanguage" endterm="sql-droplanguage-title"></member>
  </simplelist>
 </refsect1>

</refentry>

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