DROP FOREIGN DATA WRAPPER
DROP FOREIGN DATA WRAPPER — remove a foreign-data wrapper
Synopsis
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
Description
DROP FOREIGN DATA WRAPPER removes an existing foreign-data wrapper. To execute this command, the current user must be the owner of the foreign-data wrapper. 
Parameters
- IF EXISTS
- Do not throw an error if the foreign-data wrapper does not exist. A notice is issued in this case. 
- name
- The name of an existing foreign-data wrapper. 
- CASCADE
- Automatically drop objects that depend on the foreign-data wrapper (such as foreign tables and servers), and in turn all objects that depend on those objects (see Section 5.14). 
- RESTRICT
- Refuse to drop the foreign-data wrapper if any objects depend on it. This is the default. 
Examples
 Drop the foreign-data wrapper dbi: 
DROP FOREIGN DATA WRAPPER dbi;
Compatibility
DROP FOREIGN DATA WRAPPER conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a Postgres Pro extension.