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DROP ACCESS METHOD
DROP ACCESS METHOD — remove an access method
Synopsis
DROP ACCESS METHOD [ IF EXISTS ] name [ CASCADE | RESTRICT ]
  Description
DROP ACCESS METHOD removes an existing access method. Only superusers can drop access methods.
Parameters
- 
      
IF EXISTS - 
      
Do not throw an error if the access method does not exist. A notice is issued in this case.
 - 
      
name - 
      
The name of an existing access method.
 - 
      
CASCADE - 
      
Automatically drop objects that depend on the access method (such as operator classes, operator families, and indexes), and in turn all objects that depend on those objects (see Section 5.13).
 - 
      
RESTRICT - 
      
Refuse to drop the access method if any objects depend on it. This is the default.
 
Examples
Drop the access method heptree:
DROP ACCESS METHOD heptree;
  Compatibility
DROP ACCESS METHOD is a PostgreSQL extension.
See Also
CREATE ACCESS METHOD© 1996–2019 The PostgreSQL Global Development Group
Licensed under the PostgreSQL License.
 https://www.postgresql.org/docs/10/sql-drop-access-method.html