-
- def list_users()
- usernames = []
-
- begin
- connection = PGconn.connect(@db_host,
- @db_port,
- @db_opts,
- @db_tty,
- @db_name,
- @db_user,
- @db_pass)
-
- # User #1 is the super-user, and not tied to an email address.
- sql_query = "SELECT username FROM usr WHERE user_no > 1"
-
- connection.query(sql_query) do |result|
- usernames = result.field_values('username')
- end
-
- connection.close()
- rescue PGError => e
- # Pretend like we're database-agnostic in case we ever are.
- raise DatabaseError.new(e)
- end
-
- return usernames
- end
-