DROP RULE
Name
DROP RULE -- remove a rewrite rule
Synopsis
DROP RULE [ IF EXISTS ] name ON table_name [ CASCADE | RESTRICT ]
描述
DROP RULE drops a rewrite rule.
参数
- 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.
- RESTRICT
Refuse to drop the rule if any objects depend on it. This is
the default.
例子
To drop the rewrite rule newrule:
DROP RULE newrule ON mytable;
兼容性
DROP RULE is a
PostgreSQL language extension, as is the
entire query rewrite system.