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using case when condition in WHERE in SP


using case when condition in WHERE in SP

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ssurekha2000
ssurekha2000
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i have a SP with where condition
as where id=@id and month=@month and Eid=@Eid
wht i need is if @Eid=0 i need to display all the reocrds
if Eid>0 then display only that particular reocrd
i tried

where id=@id and month=@month and Eid=
case when @Eid=0 then Eid>0
else
Eid=@Eid
End
but its giving me error
Incorrect syntax near '>'.
Lynn Pettis
Lynn Pettis
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ssurekha2000 (9/27/2013)
i have a SP with where condition
as where id=@id and month=@month and Eid=@Eid
wht i need is if @Eid=0 i need to display all the reocrds
if Eid>0 then display only that particular reocrd
i tried

where id=@id and month=@month and Eid=
case when @Eid=0 then Eid>0
else
Eid=@Eid
End
but its giving me error
Incorrect syntax near '>'.


You mean something like this?



...
where
id = @id and
month = @month and
((@Eid = 0) or (Eid = @Eid))




Cool
Lynn Pettis

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parulprabu
parulprabu
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Hi,

Try with this code


where id=@id and month=@month and Eid=
case when @Eid=0 then case when Eid>0 then Eid else 0 end else @Eid end =Eid


ssurekha2000
ssurekha2000
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getting incorect syntax near =
Lynn Pettis
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ssurekha2000 (9/30/2013)
getting incorect syntax near =


Have you tried what I posted earlier?

Cool
Lynn Pettis

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ChrisM@Work
ChrisM@Work
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parulprabu (9/30/2013)
Hi,

Try with this code


where id=@id and month=@month and Eid=
case when @Eid=0 then case when Eid>0 then Eid else 0 end else @Eid end =Eid



There's a syntax error and a pointless logical check in this code. Can you identify them, parulprabu?

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parulprabu
parulprabu
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parulprabu (9/30/2013)
Hi,

Try with this code


where id=@id and month=@month and Eid=
case when @Eid=0 then case when Eid>0 then Eid else 0 end else @Eid end =Eid



Sorry for the erroneous solution given. This is the correct one


where id=@id and month=@month and Eid=
(case when @Eid=0 then case when Eid>0 then Eid else 0 end else @Eid end)


Lynn Pettis
Lynn Pettis
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I really hate to rain on everyone's parade but it isn't necessary to use a CASE to accomplish what is asked.

Please look at the solution I posted in my original response.

Cool
Lynn Pettis

For better assistance in answering your questions, click here
For tips to get better help with Performance Problems, click here
For Running Totals and its variations, click here or when working with partitioned tables
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For more about Cross Tabs and Pivots, click here and here
Managing Transaction Logs

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