Removes a rewrite rule.

Synopsis

DROP RULE [IF EXISTS] <name> ON <table_name> [CASCADE | RESTRICT]

Description

DROP RULE drops a rewrite rule from a table or view.

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 remove.

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.

RESTRICT

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

Examples

Remove the rewrite rule sales_2006 on the table sales:

DROP RULE sales_2006 ON sales;

Compatibility

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

See Also

ALTER RULE, CREATE RULE

Parent topic: SQL Commands