DROP RULE
DROP RULE
DROP RULE - remove a rewrite rule
Synopsis
DROP RULE [ IF EXISTS ]nameONtable_name[ CASCADE | RESTRICT ]
Description
DROP RULE
drops a rewrite rule.
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 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, and in turn all objects that depend on those objects (see Section 5.13 ).
-
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
DROP RULE
is a
PostgreSQL
language extension, as is the
entire query rewrite system.