On Fri, 28 May 2004 21:59:53 -0400, Alvaro Herrera
<alvherre(at)dcc(dot)uchile(dot)cl> wrote:
>So the assumption was that when we see that this has
>happenned, the Cmin is no longer important (== every future command can
>already see the tuple)
If it was that simple, we wouldn't have had to invent the CMIN_IS_CMAX
flag. This has been discussed two years ago. Did you follow the link I
posted last week? "Every future command" is not enough. You have to
consider the current command and even commands started before this.
Servus
Manfred
In response to
Responses
pgsql-hackers by date
| Next: | From: Manfred Koizar | Date: 2004-06-01 12:39:13 |
| Subject: Re: SELECT * FROM <table> LIMIT 1; is really slow |
| Previous: | From: Shridhar Daithankar | Date: 2004-06-01 12:31:56 |
| Subject: Re: Converting postgresql.conf parameters to kilobytes |