Sorry,
forget to attach file.
Oleg
On Sat, 25 May 2002, Oleg Bartunov wrote:
> Hi,
>
> we've got rather strange problem with updating and GiST indices.
> Below is a test run:
>
> drop table tst;
> create table tst ( a int[], i int );
> copy tst from stdin;
> ........
> \.
> create index tsti on tst using gist (a);
> vacuum full analyze;
>
>
> test=# update tst set i = i+10 where a && '{3,4}';
> UPDATE 3267
> test=# set enable_indexscan=off;
> SET VARIABLE
> test=# update tst set i = i+10 where a && '{3,4}';
> UPDATE 4060
> test=# select count(*) from tst where a && '{3,4}';
> count
> -------
> 4060
> (1 row)
>
> test=# select version();
> version
> ---------------------------------------------------------------
> PostgreSQL 7.2.1 on i686-pc-linux-gnu, compiled by GCC 2.95.3
> (1 row)
>
> enabling gist indices cause some rows doesn't updating !
> Please find attached test sql script (need to install contrib/intarray module)
>
> 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
>
>
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
