<REFENTRY ID="SQL-DROPRULE">
 <REFMETA>
  <REFENTRYTITLE>
   DROP RULE
  </REFENTRYTITLE>
  <REFMISCINFO>SQL - Language Statements</REFMISCINFO>
 </REFMETA>
 <REFNAMEDIV>
  <REFNAME>
   DROP RULE
  </REFNAME>
  <REFPURPOSE>
   Removes an existing rule from the database
  </REFPURPOSE>
 <REFSYNOPSISDIV>
  <REFSYNOPSISDIVINFO>
   <DATE>1998-04-15</DATE>
  </REFSYNOPSISDIVINFO>
  <SYNOPSIS>
   DROP RULE <REPLACEABLE CLASS="PARAMETER">name</REPLACEABLE>
  </SYNOPSIS>
  
  <REFSECT2 ID="R2-SQL-DROPRULE-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">name</replaceable></ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          The name of an existing rule to drop.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
     </LISTITEM>
    </VARLISTENTRY>
   </VARIABLELIST>
  </REFSECT2>
  
  <REFSECT2 ID="R2-SQL-DROPRULE-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>
          Message returned if successfully.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>ERROR:  RewriteGetRuleEventRel: rule "<replaceable class="parameter">name</replaceable>" not found</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   This message occurs if the specified rule does not exist.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
     </LISTITEM>
    </VARLISTENTRY>
   </VARIABLELIST>
  </REFSECT2>
 </REFSYNOPSISDIV>
 
 <REFSECT1 ID="R1-SQL-DROPRULE-1">
  <REFSECT1INFO>
   <DATE>1998-04-15</DATE>
  </REFSECT1INFO>
  <TITLE>
   Description
  </TITLE>
  <PARA>
   <command>DROP RULE</command> drops a rule from the specified PostgreSQL rule
   system. PostgreSQL will immediately cease enforcing it and
   will purge its definition from the system catalogs.
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPRULE-3">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    Notes
   </TITLE>
   <PARA>
    The <command>DROP RULE</command> statement is a PostgreSQL
    language extension.
   </PARA>
   <PARA>
    Refer to the <command>CREATE RULE</command> statement for
    information on how to create rules.
   </PARA>
  </refsect2>

  <REFSECT2 ID="R2-SQL-DROPRULE-4">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
   Bugs
   </TITLE>
   <PARA>
    Once a rule is dropped, access to historical information
    the rule has written may disappear.
   </PARA>
  </REFSECT2>
 </refsect1>
  
 <REFSECT1 ID="R1-SQL-DROPRULE-2">
  <TITLE>
   Usage
  </TITLE>
  <PARA>
   To drop the rewrite rule <literal>newrule</literal>:
  </PARA>
  <ProgramListing>
   DROP RULE newrule
  </ProgramListing>
 </REFSECT1>
 
 <REFSECT1 ID="R1-SQL-DROPRULE-3">
  <TITLE>
   Compatibility
  </TITLE>
  <PARA>
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPRULE-5">
   <REFSECT2INFO>
    <DATE>1998-04-15</DATE>
   </REFSECT2INFO>
   <TITLE>
    SQL92
   </TITLE>
   <PARA>
   There is no DROP RULE statement in SQL92.
   </PARA>
  </refsect2>
 </refsect1>
</REFENTRY>


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