drop_rule

DROP RULE

DROP RULE

7

SQL - Language Statements

DROP RULE

remove a rewrite rule

DROP RULE [ IF EXISTS ]

name

ON

table_name

[ CASCADE | RESTRICT ]

Description

DROP RULE drops a rewrite rule.

Parameters

IF EXISTS
Do not throw an error if the rule does not exist. A notice is issued in this case.

<name>
The name of the rule to drop.

<table_name>
The name (optionally schema-qualified) of the table or view that the rule applies to.

CASCADE
Automatically drop objects that depend on the rule, and in turn all objects that depend on those objects (see ???).

RESTRICT
Refuse to drop the rule if any objects depend on it. This is the default.

Examples

To drop the rewrite rule newrule:

DROP RULE newrule ON mytable;

Compatibility

DROP RULE is a PostgreSQL language extension, as is the entire query rewrite system.

See Also