DROP FOREIGN DATA WRAPPER
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
   
    PostgreSQL
   
   extension.