<REFENTRY ID="SQL-DROPLANGUAGE">
 <REFMETA>
  <REFENTRYTITLE>
   DROP LANGUAGE
  </REFENTRYTITLE>
  <REFMISCINFO>SQL - Language Statements</REFMISCINFO>
 </REFMETA>
 <REFNAMEDIV>
  <REFNAME>
   DROP LANGUAGE
  </REFNAME>
  <REFPURPOSE>
   Removes a user-defined procedural language
  </REFPURPOSE>
 <REFSYNOPSISDIV>
  <REFSYNOPSISDIVINFO>
   <DATE>1998-04-15</DATE>
  </REFSYNOPSISDIVINFO>
  <SYNOPSIS>
   DROP PROCEDURAL LANGUAGE '<REPLACEABLE CLASS="PARAMETER">langname</REPLACEABLE>'
  </SYNOPSIS>
  
  <REFSECT2 ID="R2-SQL-DROPLANGUAGE-1">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    Inputs
   </TITLE>
   <PARA>
   </PARA>
   <VARIABLELIST>
    <VARLISTENTRY>
     <TERM>
     </TERM>
     <LISTITEM>
      <PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue><REPLACEABLE CLASS="PARAMETER">langname</REPLACEABLE></ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          The name of an existing language.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
     </LISTITEM>
    </VARLISTENTRY>
   </VARIABLELIST>
  </REFSECT2>
  
  <REFSECT2 ID="R2-SQL-DROPLANGUAGE-2">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    Outputs
   </TITLE>
   <PARA>
   </PARA>
   <VARIABLELIST>
    <VARLISTENTRY>
     <TERM>
     </TERM>
     <LISTITEM>
      <PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>DROP</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   This message is returned if the language is successfully dropped.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>
	   ERROR: Language "<replaceable class="parameter">langname</replaceable>" doesn't exist</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   This message occurs if the language
	   "<replaceable class="parameter">langname</replaceable>" is
	   not found.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
     </LISTITEM>
    </VARLISTENTRY>
   </VARIABLELIST>
  </REFSECT2>
 </REFSYNOPSISDIV>
 
 <REFSECT1 ID="R1-SQL-DROPLANGUAGE-1">
  <REFSECT1INFO>
   <DATE>1998-04-15</DATE>
  </REFSECT1INFO>
  <TITLE>
   Description
  </TITLE>
  <PARA>
   <command>DROP PROCEDURAL LANGUAGE</command> will remove the definition
   of the previously registered procedural language with the name
   '<replaceable class="parameter">langname</replaceable>'.
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPLANGUAGE-3">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    Notes
   </TITLE>
   <PARA>
    The <command>DROP PROCEDURAL LANGUAGE</command> statement is
    a PostgreSQL language extension.
   </PARA>
   <PARA>
    Refer to the <command>CREATE PROCEDURAL LANGUAGE</command> statement
    for information on how to create procedural languages.
   </PARA>
  </refsect2>
  
  <REFSECT2 ID="R2-SQL-DROPLANGUAGE-4">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    Bugs
   </TITLE>
   <PARA>
    No checks are made if functions or trigger procedures registered
    in this language still exist. To re-enable them without having
    to drop and recreate all the functions, the pg_proc's prolang
    attribute of the functions must be adjusted to the new object
    ID of the recreated pg_language entry for the PL.
   </PARA>
  </REFSECT2>
 </refsect1>
 
 <REFSECT1 ID="R1-SQL-DROPLANGUAGE-2">
  <TITLE>
   Usage
  </TITLE>
  <PARA>
   This command removes the PL/Sample language:
  </PARA>
  <ProgramListing>
   DROP PROCEDURAL LANGUAGE 'plsample'
  </ProgramListing>
 </REFSECT1>
 
 <REFSECT1 ID="R1-SQL-DROPLANGUAGE-3">
  <TITLE>
   Compatibility
  </TITLE>
  <PARA>
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPLANGUAGE-5">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    SQL92
   </TITLE>
   <PARA>
    There is no DROP PROCEDURAL LANGUAGE statement in SQL92.
   </PARA>
  </refsect2>
 </refsect1>
</REFENTRY>


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