[freetds] MONEY type support??
Lowden, James K
james.k.lowden at alliancebernstein.com
Fri Dec 15 17:44:45 EST 2006
> From: Sokol, Ryan - 244
> Sent: Friday, December 15, 2006 1:43 PM
> I ran both of your queries through tsql and isql (unixODBC's tool)
> on my Linux box and saw the rounding problem.
I'm not sure I'd call it a "problem". It could be a feature, letting
you not round things off to the nearest penny. "Money" doesn't usually
imply fractions of a penny; if you need that, you need a floating point
or exact numeric type.
> What case were you
> in to not see the rounding?
I used Microsoft's osql.exe and Query Analyzer. It seems they do not
round MONEY types when converting them to strings. Microsoft's isql.exe
rounds to 2 places.
I want to emphasize this is not standardized. T-SQL itself rounds to
1> select cast(cast(.116 as money) as varchar(30))
One way around it, as you observed, is to convert to NUMERIC first.
> Unfortunately, it looks like everything from FreeTDS in ODBC mode
> automatically gets converted to a string.
No, the driver certainly doesn't convert anything unless asked. Likely
you're seeing PHP behavior, about which I don't know very much.
> -----Original Message-----
> From: freetds-bounces at lists.ibiblio.org
> [mailto:freetds-bounces at lists.ibiblio.org] On Behalf Of Lowden,
> James K
> Sent: Friday, December 15, 2006 12:34 PM
> > From: Sokol, Ryan - 244 Sent: Friday, December 15, 2006 12:49 PM
> > I am using the latest version of FreeTDS with unixODBC and PHP
> > 5.1.4. For some reason, columns of type MONEY from my MS SQL
> > Server 2005 are being rounded. For example, the value 0.195 is
> > being rounded to 0.20. But DECIMAL types are ok.
> I think you mean when you SELECT something of type MONEY and convert
> it to a string?
> It looks like that's FreeTDS's behavior. Microsoft's isql.exe does
> the same thing.
> 1> select cast(.116 as money) 2> go
> I note their ODBC tools don't round.
> 1> select cast(.116 as smallmoney) 2> go
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