Alvaro Herrera wrote:
> novnov escribió:
>> I think I get the picture; this post is the closest to making sense to me (my
>> lack of understanding is the issue, obviously). But:
>>
>> What's the postgresql client, in a web app?
>>
>> When you write "The web app sets timezone='EST5EDT' and inserts a time of
>> '2007-07-11 12:30:00'." that's the black box that I'm asking about. There is
>> no web app other than the one I am writing. So, I think it means I need to
>> write code in my web app to handle the conversion of the postgres stored UTC
>> into user-relevant time, with their local time zone etc.
>
> You are misunderstanding the "sets timezone=". What it means is that
> you call the following SQL command:
> SET timezone TO 'EST5EDT';
> early in your webapp code. The value to use, you get from the user
> profile (stored in a table perhaps).

Sorry for the ignorance...but what defines a session in this context in
say..perl

Would it be something like

$dbh = DBI->connect();

do your set timezone stuff here
do your insert

$rc = $dbh->disconnect;


>
>> If that's so, what I'm asking about is one the webapp side and perhaps
>> people here are not so used to dealing with that. I don't know. Just
>> like one of the other (much appreciated) responders in this thread
>> suggested, the user's browser is likely offering the user's tz
>> info...but I am interested in seeing someone's mature system for
>> returning the user's local time based their tz as stored in their
>> profile.
>
> I wouldn't trust the browser's TZ, and you would need a way to override
> it. So storing it in a table seems the easiest way.
>

--
Troy Rasiah

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