Re: Unique transaction ID - Mailing list pgsql-general

From Robert Osowiecki
Subject Re: Unique transaction ID
Date
Msg-id 43BC1913.9050605@cavern.pl
Whole thread Raw
In response to Re: Unique transaction ID  (Jaime Casanova <systemguards@gmail.com>)
Responses Re: Unique transaction ID
List pgsql-general
Jaime Casanova napisał(a):

> it exists a transaction id called XID, you can't get it via sql
>
>though, you need to make a c function and invoke GetTopTransactionId()
>(or GetCurrentTransactionId() in versions prior to 8.0)
>
>
I've read a little about problems with overlapping XID and how they were
resolved. I don't understand everything but it seems that XID could be
decreased after vacuum, could it?

Robson.


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