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Re: to_timestamp alternatives

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On 12/31/15 5:05 PM, gkhan wrote:
For
example, this fails because of the day-before-month format:

Right, which is why Tom had in his example:

regression=# set datestyle = dmy;

BTW, my recommendation would be to store in a timestamptz field *with the correct timezone*, and then convert on output as necessary. This is easy to do by either

SET timezone

or

SELECT timestamptz_field AT TIME ZONE '...';

If you want the time without DST, you can just use a timezone like '+8' or '-8'.

Since you're dealing with GPS data and presumably have lat/long, it shouldn't be hard to do this dynamically either, either by just blindly dividing longitude by 15 or using actual timezone shape polygons and @> or <@.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com


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