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Old October 22nd, 2004, 06:36 AM
davidchan davidchan is offline
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Exclamation StoreProcedure Parameter problem

Hi There,

I have to create a Store procedure which take a full valid SQL SELECT statement
As the input parameter, However the code seems to be fine it just that the Store procedure
itself is limited to 127 character as the maximum length for the input parameter. Can anybody
Suggesting an alternalitive.

Thanks
Code
if @Select = "Select * FROM Nothwind" works fine
But however if @Select = ".........................................." Length > 128 then have problem.

CREATE PROCEDURE sp1
(
@Select nvarchar(4000)
)
declare @mySQL as nvarchar(4000)
Set @mySQL = @Select
EXEC (@mySQL)
return @@rowcount



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Old October 24th, 2004, 04:55 PM
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Leslie Leslie is offline
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Yes, you must be generating your SQL from somewhere, like VB, so instead of generating it where you are generating it, use the stored procedure to do the generation and the execution of the SQL string. Stored proc can handle do loops, if statements, case statements, pretty much whatever you need.

Or You can even pass several pieces of the SQL string and the stored proc can string them together, if you prefer to do it that way:

set @mySQL = "SELECT * FROM " + @table1 + " WHERE " + @Field1 + " = " + @Where1

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