Changes the definition of a rule.

Synopsis

ALTER RULE name ON <table_name> RENAME TO <new_name>

Description

ALTER RULE changes properties of an existing rule. Currently, the only available action is to change the rule's name.

To use ALTER RULE, you must own the table or view that the rule applies to.

Parameters

name

The name of an existing rule to alter.

table_name

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

new_name

The new name for the rule.

Examples

To rename an existing rule:

ALTER RULE notify_all ON emp RENAME TO notify_me;

Compatibility

ALTER RULE is a WarehousePG extension, as is the entire query rewrite system.

See Also

CREATE RULE, DROP RULE

Parent topic: SQL Commands