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Select records based on GetDate()

Posted on 2007-12-01
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Last Modified: 2010-08-05
I assume the reason why the select doesn't find any records is because it's looking at the time also?
update Top (3000) Order set CreateDate = GetDate()
where CreateDate = '2007-11-30 22:48:32.063'
 
select * from Order where  CreateDate = GetDate()

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Question by:dba123
3 Comments
 
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mdefalco earned 250 total points
ID: 20390033
Yeah, I think since the value of GetDate has changed already.

How about;
Dim strDate
strDate = GetDate()
 
update Top (3000) Order set CreateDate = strDate
where CreateDate = '2007-11-30 22:48:32.063'
 
select * from Order where  CreateDate = strDate

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Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 20390448
>I assume the reason why the select doesn't find any records is because it's looking at the time also?
yes, the second getdate() will actually return a new value, only slightly different than the update..

here is the corrected code:
DELCARE @d DATETIME 
SET @d = getdate()
update Top (3000) [Order] 
   set CreateDate = @d
where CreateDate = convert(datetime, '2007-11-30 22:48:32.063', 120)
 
   select * 
     from [Order] 
    where CreateDate = @d

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Expert Comment

by:ursangel
ID: 20393875
yeah, thats true. Getdate() will always provide you with instant date and time values. each instant the datetime value will be different from teh previous since the time stmp is attached with the value.

Rest you can use angelll's query. that is save the getdate() value to a variable and then try updating the table value with it and then retrieve using the same value.

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