DROP FOREIGN DATA WRAPPER — remove a foreign-data wrapper
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] name
[ CASCADE | RESTRICT ]
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.
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 servers).
RESTRICT
Refuse to drop the foreign-data wrappers if any objects depend on it. This is the default.