On Thu, 2005-04-21 at 15:35, Steve - DND wrote:
> These attempts were run at 4/21/2005 13:15:00 -07.
> UTC: 4/21/2005 20:15:00
>
> SELECT timeofday()::timestamp
> 04/21/2005 13:15:00
>
> SELECT timezone('UTC', now())
> 04/21/2005 20:15:00 PM
>
> SELECT timezone('UTC', timeofday()::timestamp)::timestamp without time zone
> 04/21/2005 06:15:00 <- What the heck is this?!
>
>
> Why does the conversion to UTC using timeofday() go wrong? It seems like the
> conversion went 7 hours in the wrong direction. Did I forget a parameter or
> switch somewhere?
What version of PostgreSQL are you running? I seem to remember a few
versions ago the offset having the wrong sign.
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
