Re: Daylight Saving Time question PostgreSQL 8.1.4

Andrew Dunstan wrote:
> Martijn van Oosterhout wrote:
>> I think that from a data integrity point of view the current system is
>> the best. At the very least what you propose is a modularity violation:
>> Postgres depending on undocumented private data of another system
>> component.
>>
>>
>>   
> 
> I don't think you can reasonably describe the system timezone database 
> as undocumented private data. Plenty of other systems rely on it, as we 
> used to do.
> 
> But I take Tom's point about most users not knowing if their TZ database 
> is usable or not. Maybe we need a tool (maybe on pgfoundry) that will do 
> some analysis to find out, if such a thing is possible.

I guess some regression test should test TZ validity?
    Zdenek