Re: IANA timezone abbreviations versus timezone_abbreviations

On Mon Dec 16, 2024 at 8:57 PM CET, Tom Lane wrote:
> Andreas Karlsson <andreas@proxel.se> writes:
>> On 12/13/24 12:33 AM, Tom Lane wrote:
>> I am not convinced this is an improvement. While this patch removes the
>> round-trip hazard it also makes it confusing to use the
>> timezone_abbreviations GUC since it can be overridden by IANA data based
>> on your current timezone. So you need to know all the, sometimes weird,
>> names for your current timezone. Seems unnecessarily hard to reason
>> about and wouldn't most people who use timezone_abbreviations rely on
>> the current behavior?
>
> Presumably they're not that weird to the locals?
>
> I am not sure what you mean by "people who use
> timezone_abbreviations".  I think that's about everyone --- it's
> not like the default setting doesn't contain any abbreviations.
> (If it didn't then we'd not have such a problem...)

Maybe changing the default value of timezone_abbreviations is a better
solution to the problem, or in addition to the proposed patch.