SQL DATEDIFF In Stored Proc

Jul 25, 2007

I have a weird problem in a stored procedure.

Here's my table "Chemicals"

------------------------------------------------
id formula EndDate
3a+b+c 31/12/2500 12:00:00 AM
------------------------------------------------

and there is my SELECT command for my cursor

-------------------------------------------------------------------
SELECT id,formulaFROM Chemicals WHERE id = @id AND DATEDIFF(day,EndDate,'2500-12-31') = 0
-------------------------------------------------------------------

the variable @id = 3.

The problem is that it didn't return any row but if I write "DATEDIFF(day,EndDate,'2500-12-31') = 1" the row is returned.

I used the same SELECT command for many tables but this one, DATEDIFF return 1 instead of 0. I tried to change the format of the date but nothing works...

Anyone have a solution?

Thank you.

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Feb 13, 2008

I am working with a large application and am trying to track down a bug. I believe an error that occurs in the stored procedure isbubbling back up to the application and is causing the application not to run. Don't ask why, but we do not have some of the sourcecode that was used to build the application, so I am not able to trace into the code.
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I needed to create a stored procedure to lock a user who makes 3 incorect entries of his password. I did it successfully. Now the problem what i have is that i want to lock the user  only if he makes the 3 incorrect entries within 30 minutes.

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nhandle=SQLCONNECT('SS_PDITHP3','userid','password ')

IF nhandle<0
m.errclose=.f.
IF !USED("errorlog")
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m.errclose=.t.
ENDIF

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IF m.errclose
USE IN errorlog
ENDIF
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ENDIF
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SQLDISCONNECT(nhandle)

IF nSucc<0
m.errclose=.f.
IF !USED("errorlog")
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m.errclose=.t.
ENDIF

SELECT errorlog
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IF m.errclose
USE IN errorlog
ENDIF
ENDIF

RETURN

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CREATE procedure ewo_sp_insertNewEmployee (
@WEPK int,
@WEFNAME char(20),
@WELNAME char(20),
@WEEMAIL char(50),
@WEUSERID char(15),
@WEPHONE char(25),
@RETCODE int OUTPUT
)

AS

insert into WO_EMP (
WE_PK,
WE_FNAME,
WE_LNAME,
WE_EMAIL,
WE_USERID,
WE_PHONE
)

VALUES (
@WEPK,
@WEFNAME,
@WELNAME,
@WEEMAIL,
@WEUSERID,
@WEPHONE
)


IF @@ERROR <> 0
BEGIN
SET @RETCODE=@@ERROR
END
ELSE
BEGIN
-- SUCCESS!!
SET @RETCODE=0
END

return @RETCODE
GO

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