DROP OPERATOR CLASS SQL - Language Statements DROP OPERATOR CLASS remove a user-defined operator class 2002-07-28 DROP OPERATOR CLASS name USING access_method [ CASCADE | RESTRICT ] 2002-07-28 name The name (optionally schema-qualified) of an existing operator class. access_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 there are any dependent objects. This is the default. 2002-07-28 DROP OPERATOR CLASS The message returned if the command is successful. 2002-07-28 DROP OPERATOR CLASS drops an existing operator class from the database. To execute this command you must be the owner of the operator class. 2002-07-28 The DROP OPERATOR CLASS statement is a PostgreSQL language extension. Refer to for information on how to create operator classes. Remove B-tree operator class widget_ops: DROP OPERATOR CLASS widget_ops USING btree; This command will not execute if there are any existing indexes that use the operator class. Add CASCADE to drop such indexes along with the operator class. 2002-07-28 There is no DROP OPERATOR CLASS in SQL92.