Changes the definition of a rule.
ALTER RULE name ON <table_name> RENAME TO <new_name>
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.
To rename an existing rule:
ALTER RULE notify_all ON emp RENAME TO notify_me;
ALTER RULE
is a Greenplum Database extension, as is the entire query rewrite system.
Parent topic: SQL Commands