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.\" Title: DROP RULE
.\" Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 2017-11-06
.\" Manual: PostgreSQL 9.2.24 Documentation
.\" Source: PostgreSQL 9.2.24
.\" Language: English
.\"
.TH "DROP RULE" "7" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation"
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.SH "NAME"
DROP_RULE \- remove a rewrite rule
.\" DROP RULE
.SH "SYNOPSIS"
.sp
.nf
DROP RULE [ IF EXISTS ] \fIname\fR ON \fItable_name\fR [ CASCADE | RESTRICT ]
.fi
.SH "DESCRIPTION"
.PP
\fBDROP RULE\fR
drops a rewrite rule\&.
.SH "PARAMETERS"
.PP
IF EXISTS
.RS 4
Do not throw an error if the rule does not exist\&. A notice is issued in this case\&.
.RE
.PP
\fIname\fR
.RS 4
The name of the rule to drop\&.
.RE
.PP
\fItable_name\fR
.RS 4
The name (optionally schema\-qualified) of the table or view that the rule applies to\&.
.RE
.PP
CASCADE
.RS 4
Automatically drop objects that depend on the rule\&.
.RE
.PP
RESTRICT
.RS 4
Refuse to drop the rule if any objects depend on it\&. This is the default\&.
.RE
.SH "EXAMPLES"
.PP
To drop the rewrite rule
newrule:
.sp
.if n \{\
.RS 4
.\}
.nf
DROP RULE newrule ON mytable;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
There is no
\fBDROP RULE\fR
statement in the SQL standard\&.
.SH "SEE ALSO"
CREATE RULE (\fBCREATE_RULE\fR(7))
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