def run_xquery()
        file = ARGV.shift
        file_path = "../../" + file
        if !File.exist?(File.expand_path(file_path, __FILE__))
        	@logger.error("Xquery script " + file + " does not exist!")
        else
	        @logger.info("Running xquery script: " + file + " ... ")
	        query_code = File.read File.expand_path(file_path, __FILE__)
	        r = execute_query %Q{#{query_code}}, :db_name => @properties["ml.content-db"]
	        @logger.info(r.body)
	        @logger.info("Done running migration!")
	    end
  end