This is a feature of relational databases, you should explicitly specify
ordering if you want persistent order.
btw, why do you bothering ?
Oleg
On Wed, 30 Mar 2005 lucas@presserv.org wrote:
> Hello,
> I am using Slackware Linux 10, Postgresql 8.0.1.
> My computer had a incorrectly power down (last week) and I have executed the
> vacuum command:
> VACCUM FULL ANALYZE VERBOSE;
> to recicle and verify my database.
> Before the power-down, all records had inserted into a table have displayed at
> LAST record. Like:
> SELECT * from tb1;
> f1 | f2
> ------|--------
> rec1 | vl1
>
> INSERT into tb1 values ('rec2','vl2');
> SELECT * from tb1;
> f1 | f2
> ------|--------
> rec1 | vl1
> rec2 | vl2
>
> But After the power-down and vacuum, the new records inserted have appeared in
> random location (FIRST, between other records, etc...). Ie:
>
> INSERT into tb1 values ('rec3','vl3');
> SELECT * from tb1;
> f1 | f2
> ------|--------
> rec1 | vl1
> rec3 | vl3 <<=====
> rec2 | vl2
>
> Why it? I can't undestand why the new record location was change. Shouldn't it
> apper at the LAST record???
> What need I do??
> Thank you.
> --------
> Lucas Vendramin
> Brazil
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend
>
Regards, Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83