Question

Pass Environment Variable into SQL Script

Asked by: computerstreber

I am having some issues trying to pass an environment variable into a SQL Script, however, I the SET @ContactID = %ContactID% statement returns %C instead of 10.

I can get it to work, but I have to change the batch file to this:

SET ContactID=10
SQLCMD -S . -E -Q "DECLARE @contactid varchar(2) SET @contactid = '%Contact%' PRINT @contactID"

I also tried this, but it doesn't work:

SQLCMD -S . -E -Q "DECLARE @contactid varchar(2) SET @contactid = '%Contact%' :r test.sql"

However, I would like to keep it in the external SQL Script. Is there anyway to do this, maybe using POWERSHELL?

-- This is the batch File Code
 
SET ContactID=10
 
SQLCMD -S . -E -itest.sql
 
pause
 
-- This is the SQL File Code (test.sql)
 
DECLARE @ContactID VARCHAR(2)
SET @ContactID = '%ContactID%'
PRINT @ContactID

                                  
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Asked On
2009-04-18 at 00:31:11ID24333882
Tags

SQL Server 2005

,

DOS Script

Topics

DOS and Windows

,

Powershell

Participating Experts
2
Points
500
Comments
4

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Answers

 

by: sstadPosted on 2009-04-19 at 23:29:55ID: 24182281

There is no easy way to put the value you want into a textfile other than that you create the sql file everytime you start the Powershell script.
Another way you can do this is by creating a stored procedure in SQL Server that accepts a parameter. You can pass the contact value to the stored procedure that will execute your query. It may be a little overdone to create a stored procedure for something so small but it's possible.
If you don't want to use the stored procedure use your own query in the Powershell script.

You can use this script to get the evironment variable and execute the storedp procedure. Execute the sql script in SSMS or through the commandline using SQLCMD.

Put the Powershell script in a file and execute it. It will than execute your stored procedure.

###### SQL Script##########################################################
USE YourDatabase;
GO
IF OBJECT_ID ( 'YourDatabase.NameOfStoredProcedure', 'P' ) IS NOT NULL 
    DROP PROCEDURE YourDatabase.NameOfStoredProcedure;
GO
CREATE PROCEDURE YourDatabase.NameOfStoredProcedure
AS
    PRINT @ContactID
GO
##########################################################################
###### Powershell Script #################################################
$contactId = [Environment]::GetEnvironmentVariable("Contact","User")
 
SQLCMD -S . -E -q "EXEC YourDatabase.NameOfStoredProcedure @ContactId = N$contectId"
##########################################################################

                                              
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by: sstadPosted on 2009-04-19 at 23:30:44ID: 24182283

Little typo at the Powershell script.

###### Powershell Script #################################################
$contactId = [Environment]::GetEnvironmentVariable("Contact","User")
 
SQLCMD -S . -E -q "EXEC YourDatabase.NameOfStoredProcedure @ContactId = N$contactId"
##########################################################################

                                              
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by: QlemoPosted on 2009-07-20 at 09:51:24ID: 24896755

sqlcmd has the ability to set and use script variables. You would use

sqlcmd -v ContactID=10 -itest.sql

and in itest.sql:

PRINT $(ContactID
)

 

by: QlemoPosted on 2009-07-20 at 09:56:20ID: 24896795

If you want to use batch variables (environment variables):

set ContactID=10
sqlcmd -itest.sql

test.sql would be the same.

20120131-EE-VQP-002

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