At 9:05 +1000 3/6/03, Jeff wrote:
>Yes Paul, that's what I meant.
>See, even confusing myself now ;-)
>The field is datetime as the time is used in other functions...
>Would I be better using 2 separate fields?
Not necessarily, but if you want to match all times within a given
date, you'll need to do something like:
BA_DATE >= '2003-02-25 00:00:00' AND BA_DATE <= '2003-02-25 23:59:59'
or
TO_DAYS(FROM_DAYS(BA_DATE)) = '2003-02-25'
The TO_DAYS(FROM_DAYS()) transform chops off the time part.
>
>Jeff
>
>----- Original Message -----
>From: "Paul DuBois" <paul@stripped>
>To: "Jeff" <MySQL@stripped>; "MySQL List" <mysql@stripped>
>Sent: Thursday, March 06, 2003 8:51 AM
>Subject: Re: Syntax confusion
>
>
>> At 8:40 +1000 3/6/03, Jeff wrote:
>> >Hi, perform the following query
>> >
>> >SELECT BA_ID, BA_DATE
>> >FROM BA
>> >WHERE SUBSTRING(BA_ID,1,3) = 'TSV'
>> >
>> >and get
>> >
>> >'TSV12345-00001','2003-02-25 00:00:00'
>> >'TSV12345-00002','2003-02-25 00:00:00'
>> >'TSV14818-00003','2003-02-19 00:00:00'
>> >'TSV14836-00015','2003-02-27 00:00:00'
>> >'TSV14841-00009','2003-02-28 00:00:00'
>> >
>> >which is OK. When I only want data from 2/25/2003 and query with
>> >
>> >SELECT BA_ID, BA_DATE
>> >FROM BA
>> >WHERE SUBSTRING(BA_ID,1,3) = 'TSV'
>> >AND BA_DATE = '2003-25-2'
>> >
>> >I get 0 rows returned....
>>
>> Not surprising, since there is no month 25! :-)
>>
>> Do you mean '2003-02-25'?
>>
>> By the way, do all your BA_DATE values have 00:00:00 in the time
>> part? If so, you may want to convert the column to DATE. If not,
>> then if you want to match values that occur anywhere is a given
>> date, a comparison like you're doing won't work.
>>
>> >
>> >The book hinted at using DATE_FORMAT which I did
>> >
>> >SELECT BA_ID, BA_DATE
>> >FROM BA
>> >WHERE SUBSTRING(BA_ID,1,3) = 'TSV'
>> >AND BA_DATE = DATE_FORMAT('2003-25-2', '%y-%d-%m')
>> >
>> >But still 0 rows... D'OH... What am I missing here? Thanks for any
>> >help... I would hate to have to tell the boss we're going back to
>> >VB-ADO-MSAccess ;-)
>> >
> > >Jeff
