ALTER RULE
Name
ALTER RULE -- change the definition of a rule
Synopsis
ALTER RULE name ON table_name RENAME TO new_name
描述
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.
参数
- 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.
例子
To rename an existing rule:
ALTER RULE notify_all ON emp RENAME TO notify_me;
兼容性
ALTER RULE is a
PostgreSQL language extension, as is the
entire query rewrite system.