class Arel::Nodes::DeltaAttribute
Attributes
arel_node[RW]
new_value[RW]
old_value[RW]
Public Class Methods
new(arel_node, new_value = nil, old_value = nil)
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# File lib/delta_attributes3_2/update_statement.rb, line 8 def initialize(arel_node, new_value = nil, old_value = nil) @arel_node = arel_node @new_value = new_value @old_value = old_value end
Public Instance Methods
valid?()
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# File lib/delta_attributes3_2/update_statement.rb, line 14 def valid? @arel_node && !new_value.nil? && !old_value.nil? end