DROP OPERATOR CLASS — remove an operator class
DROP OPERATOR CLASS [ IF EXISTS ]name
USINGindex_method
[ CASCADE | RESTRICT ]
DROP OPERATOR CLASS
drops an existing operator class.
To execute this command you must be the owner of the operator class.
IF EXISTS
Do not throw an error if the operator class does not exist. A notice is issued in this case.
name
The name (optionally schema-qualified) of an existing operator class.
index_method
The name of the index access method the operator class is for.
CASCADE
Automatically drop objects that depend on the operator class.
RESTRICT
Refuse to drop the operator class if any objects depend on it. This is the default.