+ def list_users()
+ # Produce a list of Roundcube users. This is used in prune/rm, and
+ # is public because it is useful in testing.
+ usernames = []
+
+ connection = PGconn.connect(@db_host, @db_port, @db_opts, @db_tty,
+ @db_name, @db_user, @db_pass)
+
+ sql_query = 'SELECT username FROM users;'
+ connection.query(sql_query) do |result|
+ usernames = result.field_values('username')