Re: Affected rows count by rule as condtition

I am using rules as layer to save every version of row in shadow table, 
so i cant use unique constraint on column, because of many versions may 
have same value.

mito

Jaime Casanova wrote:
> On Mon, Apr 13, 2009 at 11:12 AM, mito <milos.orszag@gmail.com> wrote:
>> It need to simulate unique constraint on field s_users.new_id, so it should
>> deny to update multiple rows with same value.
>>
>> Any suggestions are welcome.
>>
> 
> why not simply create a UNIQUE constraint?
> 
>