Provided by: postgres-xc-client_1.1-2ubuntu2_amd64 

NAME
DROP_USER_MAPPING - remove a user mapping for a foreign server
SYNOPSIS
DROP USER MAPPING [ IF EXISTS ] FOR { user_name | USER | CURRENT_USER | PUBLIC } SERVER server_name
DESCRIPTION
Note
The following description applies only to Postgres-XC
USER MAPPING has not been supported by Postgres-XC yet. This command may be supported in the future
releases.
COMPATIBILITY
DROP USER MAPPING conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a PostgreSQL extension.
SEE ALSO
CREATE USER MAPPING (CREATE_USER_MAPPING(7)), ALTER USER MAPPING (ALTER_USER_MAPPING(7))
Postgres-XC 1.1 2014-04-07 DROP USER MAPPING(7)