This article was migrated from http://rails.office.drecom.jp/hibi/archive/31

ちょっとはまる。

■下記はOK
validates_length_of :product_code, :maximum => 255, :if => Proc.new { |mono| mono.product_code != nil}

■下記はNG
validates_length_of :product_code, :maximum => 255, :allow_nil => true http://rails.office.drecom.jp/hibi/archive/31

This article was migrated from http://rails.office.drecom.jp/hibi/archive/31