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Contents
module ActiveRecord
module AttributeMethods
module Dirty
def write_attribute(attr, value)
# CPK
if attr.kind_of?(Array)
# A *composite* attribute can't be marked as changed! So do nothing now.
# We will come back in here with an *individual* attribute when Write#write_attribute looks through the individual attributes comprising this composite key:
# [attr_name, value].transpose.map {|name,val| write_attribute(name, val)}
else
attr = attr.to_s
# The attribute already has an unsaved change.
if attribute_changed?(attr)
old = @changed_attributes[attr]
@changed_attributes.delete(attr) unless _field_changed?(attr, old, value)
else
old = clone_attribute_value(:read_attribute, attr)
@changed_attributes[attr] = old if _field_changed?(attr, old, value)
end
end
# Carry on.
super(attr, value)
end
end
end
end
ActiveRecord::Base.class_eval do
alias :[]= :write_attribute
public :[]=
end
Version data entries
17 entries across 17 versions & 1 rubygems