RSpec
Ruby on Rails
Ruby
method
*_previous_change
v7.1.3.2 -
Show latest stable
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Class: ActiveModel::Dirty
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- What's this?
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as_json
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attribute_change
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attribute_changed?
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attribute_changed_by_setter?
(<= v5.2.3)
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attribute_changed_in_place?
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attribute_previous_change
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attribute_previously_changed?
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attribute_previously_was
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attributes_changed_by_setter
(<= v5.2.3)
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attribute_was
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attribute_will_change!
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cache_changed_attributes
(<= v5.2.3)
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*_change
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changed
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*_changed?
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changed?
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changed_attributes
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changes
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changes_applied
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changes_include?
(<= v5.2.3)
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clear_attribute_change
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clear_attribute_changes
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clear_changed_attributes_cache
(<= v5.2.3)
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clear_changes_information
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forget_attribute_assignments
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init_attributes
(>= v8.0.0)
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initialize_dup
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init_internals
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mutations_before_last_save
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mutations_from_database
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*_previous_change
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previous_changes
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previous_changes_include?
(<= v5.2.3)
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*_previously_changed?
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*_previously_was
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reset_attribute!
(<= v4.2.9)
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reset_changes
(<= v4.2.9)
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restore_*!
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restore_attribute!
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restore_attributes
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set_attribute_was
(<= v5.2.3)
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*_was
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*_will_change!
= private
= protected
*_previous_change
public
This method is generated for each attribute.
Returns the old and the new value of the attribute before the last save.
person = Person.new person.name = 'Emmanuel' person.save person.name_previous_change # => [nil, 'Emmanuel']
