module ActiveRecord
  class Base
    class << self
      def derby_connection(config)
        config[:url] ||= "jdbc:derby:#{config[:database]};create=true"
        config[:driver] ||= "org.apache.derby.jdbc.EmbeddedDriver"
        conn = embedded_driver(config)
        md = conn.jdbc_connection.meta_data
        if md.database_major_version < 10 || (md.database_major_version == 10 && md.database_minor_version < 5)
          raise ::ActiveRecord::ConnectionFailed, "Derby adapter requires Derby 10.5 or later"
        end
        conn
      end

      alias_method :jdbcderby_connection, :derby_connection
    end
  end
end