method

changes

Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActiveRecord::Dirty

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.2 (0)
2.3.8 (0)
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v2.3.8) is shown here.

These similar methods exist in v5.2.3:

ActiveModel::Dirty#changes
ActiveModel::AttributeMutationTracker#changes
ActiveModel::NullMutationTracker#changes

changes() public

Map of changed attrs => [original value, new value].

  person.changes # => {}
  person.name = 'bob'
  person.changes # => { 'name' => ['bill', 'bob'] }

Show source

# File activerecord/lib/active_record/dirty.rb, line 73
    def changes
      changed.inject({}) { |h, attr| h[attr] = attribute_change(attr); h }
    end

changes

Related methods

Method deprecated or moved

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