DROP USER MAPPING
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DROP USER MAPPING
Removes a user mapping for a foreign server.
Synopsis
DROP USER MAPPING [ IF EXISTS ] { username | USER | CURRENT_USER | PUBLIC }
SERVER servername
Description
DROP USER MAPPING removes an existing user mapping from a foreign server. To execute this command, the current user must be the owner of the server containing the mapping.
Parameters
- IF EXISTS
-
Do not throw an error if the user mapping does not exist. Greenplum Database issues a notice in this case.
- username
-
User name of the mapping. CURRENT_USER and USER match the name of the current user. PUBLIC is used to match all present and future user names in the system.
- servername
-
Server name of the user mapping.
Examples
Drop the user mapping named bob, server foo if it exists:
DROP USER MAPPING IF EXISTS FOR bob SERVER foo;
Compatibility
DROP SERVER conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a Greenplum Database extension.