NAME
DROP RULE - 删除一个重写规则
SYNOPSIS
DROP RULE name ON relation [ CASCADE | RESTRICT ]
DESCRIPTION 描述
DROP RULE 删除一个规则。
PARAMETERS 参数
- name
要删除的现存的规则。- relation
该规则应用的关系名字（可以有模式修饰）。- CASCADE
自动删除依赖于此规则的对象。- RESTRICT
如果有任何依赖对象，则拒绝删除此规则。这个是缺省。
EXAMPLES 例子
删除重写规则 newrule：
DROP RULE newrule ON mytable;
COMPATIBILITY 兼容性
在 SQL 标准中没有DROP RULE。
SEE ALSO 参见
CREATE RULE [create_rule(7)]
#p#
NAME
DROP RULE - remove a rewrite rule
SYNOPSIS
DROP RULE name ON relation [ CASCADE | RESTRICT ]
DESCRIPTION
DROP RULE drops a rewrite rule.
PARAMETERS
- name
- The name of the rule to drop.
- relation
- 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
To drop the rewrite rule newrule:
DROP RULE newrule ON mytable;
COMPATIBILITY
There is no DROP RULE statement in the SQL standard.
SEE ALSO
CREATE RULE [create_rule(7)]
