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DROPUSER(1)
NAME
dropuser - remove a PostgreSQL user account
SYNOPSIS
dropuser [ options... ] [ username ]
INPUTS
-h, --host host
Specifies the host name of the machine on which the server is running.
If host begins with a slash, it is used as the directory for the Unix
domain socket.
-p, --port port
Specifies the Internet TCP/IP port or local Unix domain socket file
extension on which the server is listening for connections.
-e, --echo
Echo the queries that createdb generates and sends to the server.
-q, --quiet
Do not display a response.
-i, --interactive
Prompt for confirmation before actually removing the user.
username
Specifies the name of the PostgreSQL user to be removed. This name
must exist in the PostgreSQL installation. You will be prompted for a
name if none is specified on the command line.
The options -h, -p, and -e, are passed on literally to psql(1). The psql
options -U and -W are available as well, but they can be confusing in this
context.
OUTPUTS
DROP USER
All is well.
dropuser: deletion of user "username" failed
Something went wrong. The user was not removed.
If there is an error condition, the backend error message will be
displayed. See DROP USER [drop_user(5)] and psql(1) for possibilities.
DESCRIPTION
dropuser removes an existing PostgreSQL user and the databases which that
user owned. Only users with usesuper set in the pg_shadow table can
destroy PostgreSQL users.
dropuser is a shell script wrapper around the SQL command DROP USER
[drop_user(5)] via the PostgreSQL interactive terminal psql(1). Thus, there
is nothing special about removing users via this or other methods. This
means that the psql must be found by the script and that a database server
is running at the targeted host. Also, any default settings and environment
variables available to psql and the libpq front-end library do apply.
USAGE
To remove user joe from the default database server:
$ dropuser joe
DROP USER
To remove user joe using the postmaster on host eden, port 5000, with
verification and a peek at the underlying query:
$ dropuser -p 5000 -h eden -i -e joe
User "joe" and any owned databases will be permanently deleted.
Are you sure? (y/n) y
DROP USER "joe"
DROP USER
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