=?ISO-8859-2?Q?Borek_Lupom=ECsk=FD?= <borekl(at)volny(dot)cz> writes:
> When I do this, it works for me, too. But when I do it on my current
> database, something breaks.
Hm. The obvious question is: are you *sure* all the entries in your
table look like "NNNN.N"?
regards, tom lane