update

Icon_private_sm = private
Icon_protected_sm = protected

update() private

Updates the associated record with values matching those of the instance attributes. Returns the number of affected rows.

# File activerecord/lib/active_record/base.rb, line 2263
      def update
        quoted_attributes = attributes_with_quotes(false, false)
        return 0 if quoted_attributes.empty?
        connection.update(
          "UPDATE #{self.class.quoted_table_name} " +
          "SET #{quoted_comma_pair_list(connection, quoted_attributes)} " +
          "WHERE #{connection.quote_column_name(self.class.primary_key)} = #{quote_value(id)}",
          "#{self.class.name} Update"
        )
      end

update

Related methods

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