Module: Arel::Nodes::UpdateStatementExt

Included in:
UpdateStatement
Defined in:
lib/delta_attributes3_2/update_statement.rb

Instance Method Summary collapse

Instance Method Details

#values_changed ⇒ Object 



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# File 'lib/delta_attributes3_2/update_statement.rb', line 26

def values_changed
  changed = instance_variable_get("@values_changed")
  return @values unless changed

  @values.map {|m|
    attr_name = m.left.expr.name
    new_value = m.right
    if changed[attr_name]
      Arel::Nodes::DeltaAttribute.new(m, new_value, changed[attr_name])
    else
      m
    end
  }
end

#values_changed=(values) ⇒ Object 



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# File 'lib/delta_attributes3_2/update_statement.rb', line 22

def values_changed=(values)
  instance_variable_set("@values_changed", values)
end