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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Michael Ryan
Sent: Tuesday, November 13, 2007 1:19 PM
To: Midrange Systems Technical Discussion
Subject: Re: SQL Date Math
Got a convertDateToNum UDF lying around? And then of course
I'd have to dig out how to do a UDF...did it once IIRC.
On Nov 13, 2007 1:14 PM, Wilt, Charles <WiltC@xxxxxxxxxx> wrote:
Then you're not using date fields <grin>to a date value.
Eric already mentioned a UDF to convert the numeric value
table scan
However, let me point out that by doing so, you'll force a
as any index over the numeric field will not be used.days) and
Your query would perform better by converting the current_date and
(current_date - 30) into a numeric value with a UDF.
Select *
from myfile
where myDateNum between convertDateToNum(current_date - 30
ConvertDateToNum(current_date)of ccyymmdd?
HTH,
Charles
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Michael Ryan
Sent: Tuesday, November 13, 2007 12:27 PM
To: Midrange Systems Technical Discussion
Subject: Re: SQL Date Math
That's what I was looking for! Thanks Alan...
Hmmm...also...what if mydate is 8.0 numeric in the form
Systems Technical
On Nov 13, 2007 12:24 PM, Alan Shore <AlanShore@xxxxxxxx> wrote:
To
OR
try
mydate between current_date and current_date - 30 day
Alan Shore
NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill
"Michael Ryan"
<michaelrtr@gmail
.com>
Sent by: "Midrange
intended to be confidential and privileged. If you receivemidrange-l-bounce Discussion"
s@xxxxxxxxxxxx <MIDRANGE-l@xxxxxxxxxxxx>
ccSubject
11/13/2007 12:19
PM SQL Date Mathfile where a
Please respond to
Midrange Systems
Technical
Discussion
<midrange-l@midra
nge.com>
Bah...this is eluding me. I want to select records from a
date value is between current date and 30 days ago. Ithought I could
do something like:(MIDRANGE-L) mailing
mydate between current_date and current_date - 30, but that
doesn't seem to work. Gotta be easy...how do I do it? Thanks!
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