method

update

v3.2.1 - Show latest stable - 0 notes - Class: ActiveRecord::Persistence

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update(attribute_names = @attributes.keys) private

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

Show source

# File activerecord/lib/active_record/persistence.rb, line 350
    def update(attribute_names = @attributes.keys)
      attributes_with_values = arel_attributes_values(false, false, attribute_names)
      return 0 if attributes_with_values.empty?
      klass = self.class
      stmt = klass.unscoped.where(klass.arel_table[klass.primary_key].eq(id)).arel.compile_update(attributes_with_values)
      klass.connection.update stmt
    end

update

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