Removes a rewrite rule.
DROP RULE [IF EXISTS] <name> ON <table_name> [CASCADE | RESTRICT]
DROP RULE drops a rewrite rule from a table or view.
IF EXISTS
Do not throw an error if the rule does not exist. Apache Cloudberry issues a notice in this case.
name
The name of the rule to remove.
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.
RESTRICT
Refuse to drop the rule if any objects depend on it. This is the default.
Remove the rewrite rule sales_2006 on the table sales:
DROP RULE sales_2006 ON sales;
DROP RULE is a Apache Cloudberry extension, as is the entire query rewrite system.