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Identify string or integer


Identify string or integer

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Minnu
Minnu
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Hi Team,

am passing a parameter to a stored procedure, i want to know whether the parameter is string or integer


i want a print statement in stored procedure to print the parameter is string or int


Eg :
EXEC Stored_procedure1 ('abc')
output : string


EXEC Stored_procedure1 ('123')
output : integer

EXEC Stored_procedure1 ('abc112')
output : string
bitbucket-25253
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I would suggest using ISNUMERIC, however it has several disadvantages that can lead one to a false conclusion.

I would suggest that you read the following article by Jeff Moden to determine to see if it is helpful.

http://www.sqlservercentral.com/articles/IsNumeric/71512/

If everything seems to be going well, you have obviously overlooked something.

Ron

Please help us, help you -before posting a question please read

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ScottPletcher
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EXEC Stored_procedure1 ('abc')
EXEC Stored_procedure1 ('123')
EXEC Stored_procedure1 ('abc112')

Yes. The core of the logic is this:

CASE WHEN <string_value> LIKE '%[^0-9]%' THEN <string> ELSE <int> END

For example:

SELECT
data,
CASE WHEN data LIKE '%[^0-9]%' THEN 'string' ELSE 'int' END AS type
FROM (
SELECT 'abc' AS data UNION ALL
SELECT '123' UNION ALL
SELECT 'abc112'
) AS test_data



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Jeff Moden
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Minnu (8/14/2013)
Hi Team,

am passing a parameter to a stored procedure, i want to know whether the parameter is string or integer


i want a print statement in stored procedure to print the parameter is string or int


Eg :
EXEC Stored_procedure1 ('abc')
output : string


EXEC Stored_procedure1 ('123')
output : integer

EXEC Stored_procedure1 ('abc112')
output : string


Will you ever have negative integers?

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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WolfgangE
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Why do you need that at all?
Orlando Colamatteo
Orlando Colamatteo
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In SQL 2008 and 2005 a simple SQLCLR function that leverages the TryParse method of the Int32 object is the most complete way to check for whether a string value can be cast to a SQL INTEGER. Here is a SQLCLR for you:

using System;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using Microsoft.SqlServer.Server;

public partial class UserDefinedFunctions
{
    [Microsoft.SqlServer.Server.SqlFunction]
    
public static SqlBoolean IsInt32(SqlString Input)
    
{
        
if (Input.IsNull)
            
return SqlBoolean.False;
        
else
        
{
            Int32 i
;
            
return Int32.TryParse(Input.Value, out i);
        
}
    }
}



It is worth noting that in SQL 2012 the TRY_PARSE function was added to T-SQL language making this a trivial chore.

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