Re: Problems with infinity - Mailing list pgsql-jdbc

From Kris Jurka
Subject Re: Problems with infinity
Date
Msg-id Pine.BSO.4.56.0501130909440.22366@leary.csoft.net
Whole thread Raw
In response to Re: Problems with infinity  (Oliver Siegmar <o.siegmar@vitrado.de>)
Responses Re: Problems with infinity  (Oliver Siegmar <o.siegmar@vitrado.de>)
List pgsql-jdbc

On Thu, 13 Jan 2005, Oliver Siegmar wrote:

> On Thursday 13 January 2005 14:42, Kris Jurka wrote:
> >
> > This is indeed a bug in the 7.4 drivers.
>
> Will you fix it? ;-)

Sure, but you should be aware that the driver only does this conversion on
output (rs.getTimestamp()).  No conversion is done for setTimestamp, so
it's a one way solution.  This was part of my reasoning for removing it.

> Couldn't you make it configurable (like 'convert_infinite_to_min_max = true')?
>

That could be done, but how do you define min/max.  There are at least
three possible definitions I can think of: Java's min/max value for
Timestamp and pg's min/max, but pg's depends on how it was compiled
(--enable-integer-datetimes).  So how do you pick which one?  You've got
to pick the one with the smallest range, so it fits inside the other's
range, which kind of sucks because then you have a special magic value
that isn't even at the extremes of the type range.  The user level
code to manipulate such a thing will certainly be ugly.

Kris Jurka



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