Re: not(t_xmax = 0) - Mailing list pgsql-general

From Kevin Grittner
Subject Re: not(t_xmax = 0)
Date
Msg-id 20130120200845.108950@gmx.com
Whole thread Raw
In response to not(t_xmax = 0)  (Alejandro Carrillo <fasterzip@yahoo.es>)
Responses Re: not(t_xmax = 0)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Alejandro Carrillo wrote:
> De: Kevin Grittner <kgrittn@mail.com>

>> Please give a high-level description of what you are trying to
>> accomplish and why.

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

That's not something you're going to have much luck with by using
plpgsql to try to parse heap pages. If you explain why you want to
do this, it might help in suggesting alternative techniques. Maybe
there is already a tool written that you could use.

-Kevin


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