Re: different results based solely on existence of index (no, seriously)

On Aug 12, 8:17 am, p...@rvt.dds.nl (ries van Twisk) wrote:
> On Aug 12, 2008, at 3:53 AM, Willy-Bas Loos wrote:
>
>
>
> > reproduced it on:
> > "PostgreSQL 8.3.3 on i486-pc-linux-gnu, compiled by GCC cc (GCC)  
> > 4.2.3 (Ubuntu 4.2.3-2ubuntu7)"
> > 3 rows with index, 2 rows without.
>
> > can not reproduce it on:
> > - "PostgreSQL 8.1.10 on i486-pc-linux-gnu, compiled by GCC cc (GCC)  
> > 4.1.3 20070831 (prerelease) (Ubuntu 4.1.2-16ubuntu1)"
> > - "PostgreSQL 8.2.6 on i686-pc-mingw32, compiled by GCC gcc.exe  
> > (GCC) 3.4.2 (mingw-special)"
> > - "PostgreSQL 8.2.7 on i486-pc-linux-gnu, compiled by GCC cc (GCC)  
> > 4.2.3 (Ubuntu 4.2.3-2ubuntu4)"
> > they allways return 2 rows.
>
> > hth
> > WBL
>
> reproduced on:
> PostgreSQL 8.3.1 on i386-apple-darwin9.4.0, compiled by GCC i686-apple-
> darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5465)
> 3rows with index, 2 rows without
>
> Ries

FWIW, reproduced (3 rows w/index, 2 w/o) on:
  PostgreSQL 8.3.0 on i686-pc-linux-gnu, compiled by GCC gcc (GCC)
4.1.2 (Ubuntu 4.1.2-0ubuntu4)