PostgreSQL 7.3.4 Documentation
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# DROP OPERATOR CLASS

## Name

DROP OPERATOR CLASS -- remove a user-defined operator class

## Synopsis

    DROP OPERATOR CLASS name USING access_method [ CASCADE | RESTRICT ]

### Inputs

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.

### Outputs

`DROP OPERATOR CLASS`

  The message returned if the command is successful.

## Description

`DROP OPERATOR CLASS` drops an existing operator class from the database. To execute this command you must be the owner of the operator class.

### Notes

The `DROP OPERATOR CLASS` statement is a PostgreSQL language extension.

Refer to CREATE OPERATOR CLASS for information on how to create operator classes.

## Usage

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.

## Compatibility

### SQL92

There is no `DROP OPERATOR CLASS` in SQL92.

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