class ActiveRecord::SchemaDumper

def tables(stream)
  sorted_tables = @connection.tables.sort
  not_ignored_tables = sorted_tables.reject { |table_name| ignored?(table_name) }
  not_ignored_tables.each_with_index do |table_name, index|
    table(table_name, stream)
    stream.puts if index < not_ignored_tables.count - 1
  end
  # dump foreign keys at the end to make sure all dependent tables exist.
  if @connection.supports_foreign_keys?
    foreign_keys_stream = StringIO.new
    not_ignored_tables.each do |tbl|
      foreign_keys(tbl, foreign_keys_stream)
    end
    foreign_keys_string = foreign_keys_stream.string
    stream.puts if foreign_keys_string.length > 0
    stream.print foreign_keys_string
  end
end