# This source file contains extensions to the abstract adapter.
module ActiveRecord #:nodoc:
  module ConnectionAdapters #:nodoc:
    # Extensions to the AbstractAdapter. In some cases a default implementation is provided, 
    # in others it is adapter-dependent and the method will raise a NotImplementedError if
    # the adapter does not implement that method
    class AbstractAdapter
      # Truncate the specified table
      def truncate(table_name)
        execute("TRUNCATE #{table_name}")
      end
      
      # Bulk loading interface. Load the data from the specified file into the given
      # table. Note that options will be adapter-dependent.
      def bulk_load(file, table_name, options={})
        raise NotImplementedError, "bulk_load is an abstract method"
      end
    end
  end
end