DROP OPERATOR CLASS name USING access_method [ CASCADE | RESTRICT ]
The name (optionally schema-qualified) of an existing operator class.
The name of the index access method the operator class is for.
Automatically drop objects that depend on the operator class.
Refuse to drop the operator class if there are any dependent objects. This is the default.
DROP OPERATOR CLASS drops an existing operator class from the database. To execute this command you must be the owner of the operator class.
The DROP OPERATOR CLASS statement is a PostgreSQL language extension.
Refer to CREATE OPERATOR CLASS 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.
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