I just tried this on recent builds of the next-to-be-released 10.00, 11.10,
and 11.50 versions (currently these are numbered 10.00.xC9, 11.10.xC2W3,
11.50.xC2; of course these numbers might change and my posting this is no
guarantee from IBM that these will necessarily be released...), and it
worked correctly on all of them. All of these were on 64-bit x86 Linux. The
same query also worked against a regular table on all of them. (sysmaster
tables are not normal tables -- they are what we call pseudotables. The code
to access them produces them out of thin air, or rather out of the contents
of memory on the fly, so it's possible for some things to be broken for
particular sysmaster tables that work correctly for other sysmaster tables
and normal tables.)

This has the flavor of a bug that has already been found and fixed in later
fixpacks. I will ask the optimizer team if they know of any such fix having
been done.

--
Kevin Cherkauer
Software Engineer
IBM Informix Dynamic Server -- Database Kernel


"piotrek" <piotrUSUN_T_O110@o2.pl> wrote in message
news:fvsfda$4q7$1@pippin.nask.net.pl...
> IBM Informix Dynamic Server Version 10.00.UC5 on redhat
>
> Try this:
> SELECT MIN(colno) FROM syscolumns WHERE colno>=1 AND colno>1
> An the answer is ..... 1
> A know that stupid questions generates stupid answers but still....
>
> Anyone has come to that?