Zdenec,
> I have following idea:
>
> 1) add guc varibale which enable usage of OS time zone files
>
> 2) add extra parameters into ./configure script which enable OS TZ
> support in the code and get path to OS TZ files.
If we're adding it as a configure-time variable, there's no reason to have
a GUC.
> It probably will require some OS specific code for reading and
> translation TZ file format.
This would require each OS to make a committment to support their
compatibility code. Like, we would have to maintain the Solaris code, if
any was required. Ideally, no glue code would be required.
--
--Josh
Josh Berkus
PostgreSQL @ Sun
San Francisco