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$Header: /cvsroot/pgsql/doc/src/sgml/ref/createlang.sgml,v 1.1 1999/08/06 13:50:30 thomas Exp $
Postgres documentation
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<refentry id="APP-CREATELANG">
 <refmeta>
  <refentrytitle id="APP-CREATELANG-TITLE">
   <application>createlang</application>
  </refentrytitle>
  <refmiscinfo>Application</refmiscinfo>
 </refmeta>
 <refnamediv>
  <refname id="createlang">
   <application>createlang</application>
  </refname>
  <refpurpose>
   Add a new programming language to a <productname>Postgres</productname> database
  </refpurpose>
 </refnamediv>
 <refsynopsisdiv>
  <refsynopsisdivinfo>
   <date>1999-08-05</date>
  </refsynopsisdivinfo>
  <synopsis>
createlang [ <replaceable class="parameter">langname</replaceable> ]
createlang [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ]
        [ <replaceable class="parameter">langname</replaceable> ]
  </synopsis>

  <refsect2 id="R2-APP-CREATELANG-1">
   <title>
    Inputs
   </title>
   <para>
    <application>createlang</application> accepts the following command line arguments:
    
    <variablelist>
     <varlistentry>
      <term><replaceable class="parameter">langname</replaceable></term>
      <listitem>
       <para>
	Specifies the name of the backend programming language to be defined.
	<application>createlang</application> will prompt for
	<replaceable class="parameter">langname</replaceable>
	if it is not specified on the command line.
       </para>
      </listitem>
     </varlistentry>
    </variablelist>
   </para>

   <para>
    <application>createlang</application> also accepts 
    the following command line arguments for connection parameters:
    
    <variablelist>
     <varlistentry>
      <term>-h <replaceable class="parameter">host</replaceable></term>
      <listitem>
       <para>
	Specifies the hostname of the machine on which the 
	<application>postmaster</application>
	is running.  Defaults to using a local Unix domain socket
	rather than an IP connection.
       </para>
      </listitem>
     </varlistentry>

     <varlistentry>
      <term>-p <replaceable class="parameter">port</replaceable></term>
      <listitem>
       <para>
	Specifies the Internet TCP/IP port or local Unix domain socket file 
	extension on which the <application>postmaster</application>
	is listening for connections.  The port number defaults to 5432,
	or the value of the <envar>PGPORT</envar>
	environment variable (if set).
       </para>
      </listitem>
     </varlistentry>
     <!--
     <varlistentry>
      <term>-u</term>
      <listitem>
       <para>
	Use password authentication. 
	Prompts for
	<replaceable class="parameter">username</replaceable>
	and <replaceable class="parameter">password</replaceable>.
       </para>
      </listitem>
     </varlistentry>
     -->
    </variablelist>
   </para>
  </refsect2>

  <refsect2 id="R2-APP-CREATELANG-2">
   <refsect2info>
    <date>1998-10-04</date>
   </refsect2info>
   <title>
    Outputs
   </title>
   <para>
    <application>createlang</application> installs a new programming
    language into a <productname>Postgres</productname> server,
    so has not explicit external output.
   </para>
  </refsect2>
 </refsynopsisdiv>
 
 <refsect1 id="R1-APP-CREATELANG-1">
  <refsect1info>
   <date>1998-10-04</date>
  </refsect1info>
  <title>
   Description
  </title>

  <para>
   <application>createlang</application> is a utility for adding a new 
   programming language to a
   <productname>Postgres</productname> database.
   <application>createlang</application> currently accepts two
   languages, <literal>plsql</literal> and <literal>pltcl</literal>.
  </para>
 </refsect1>

 <refsect1 id="R1-APP-CREATELANG-2">
  <title>
   Notes
  </title>

  <para>
   See 
   <xref linkend="sql-createlanguage" endterm="sql-createlanguage-title">
   for more details.
  </para>
 </refsect1>
 
 <refsect1 id="R1-APP-CREATELANG-3">
  <title>
   Usage
  </title>
  <para>
   To install <literal>pltcl</literal>:
   
   <programlisting>
% createlang pltcl
   </programlisting>
  </para>
 </refsect1>
</refentry>

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