instance method `update_column`

Ruby on Rails 3.1.12

Since v3.1.12

Available in: v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

update_column(name, value)

Updates a single attribute of an object, without calling save.

Validation is skipped.
Callbacks are skipped.
updated_at/updated_on column is not updated if that column is available.

Parameters

name req
value req

Source

# File activerecord/lib/active_record/persistence.rb, line 142
    def update_column(name, value)
      name = name.to_s
      raise ActiveRecordError, "#{name} is marked as readonly" if self.class.readonly_attributes.include?(name)
      raise ActiveRecordError, "can not update on a new record object" unless persisted?
      raw_write_attribute(name, value)
      self.class.update_all({ name => value }, self.class.primary_key => id) == 1
    end

Defined in activerecord/lib/active_record/persistence.rb line 142 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Persistence

Signature

Parameters