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<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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