method
decrement!
v2.0.3 -
Show latest stable
- Class:
ActiveRecord::Base
decrement!(attribute, by = 1)public
Decrements the attribute and saves the record.
- ==
- []
- []=
- attribute_for_inspect
- attribute_names
- attribute_present?
- attributes
- attributes=
- attributes_before_type_cast
- becomes
- clone
- column_for_attribute
- connection
- decrement
- decrement!
- destroy
- eql?
- freeze
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- has_attribute?
- hash
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- id=
- increment
- increment!
- inspect
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- reload
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- to_param
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- ===
- abstract_class?
- attr_accessible
- attr_protected
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- column_names
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- destroy
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- establish_connection
- exists?
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class_of_active_record_descendant - compute_type
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- type_cast_attribute_value
- update