I try to do a function that let know which rows are deleted in a table using 
the xmax !=0



>________________________________
> De: Kevin Grittner <kgri...@mail.com>
>Para: Alejandro Carrillo <faster...@yahoo.es>; pgsql-general@postgresql.org 
>Enviado: Domingo 20 de enero de 2013 12:19
>Asunto: Re: [GENERAL] not(t_xmax = 0)
> 
>Alejandro Carrillo wrote:
>
>> I need to filter xid != 0. I tried this "not(t_xmax = 0)" but I
>> dont sure that this work ok
>> 
>> How I do it?
>
>Please give a high-level description of what you are trying to
>accomplish and why. I didn't find it at all clear from your sample
>function,
>
>-Kevin
>
>
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