gaponte69 gaponte69 - 2 months ago 62
SQL Question

including parameters in OPENQUERY

How can I use a parameter inside sql openquery, such as:

SELECT * FROM OPENQUERY([NameOfLinkedSERVER], 'SELECT * FROM TABLENAME
where field1=@someParameter') T1 INNER JOIN MYSQLSERVER.DATABASE.DBO.TABLENAME
T2 ON T1.PK = T2.PK

Answer

From the OPENQUERY documentation it states that:

OPENQUERY does not accept variables for its arguments.

See this article for a workaround.

UPDATE:

As suggested, I'm including the recommendations from the article below.

Pass Basic Values

When the basic Transact-SQL statement is known, but you have to pass in one or more specific values, use code that is similar to the following sample:

DECLARE @TSQL varchar(8000), @VAR char(2)
SELECT  @VAR = 'CA'
SELECT  @TSQL = 'SELECT * FROM OPENQUERY(MyLinkedServer,''SELECT * FROM pubs.dbo.authors WHERE state = ''''' + @VAR + ''''''')'
EXEC (@TSQL)

Pass the Whole Query

When you have to pass in the whole Transact-SQL query or the name of the linked server (or both), use code that is similar to the following sample:

DECLARE @OPENQUERY nvarchar(4000), @TSQL nvarchar(4000), @LinkedServer nvarchar(4000)
SET @LinkedServer = 'MyLinkedServer'
SET @OPENQUERY = 'SELECT * FROM OPENQUERY('+ @LinkedServer + ','''
SET @TSQL = 'SELECT au_lname, au_id FROM pubs..authors'')' 
EXEC (@OPENQUERY+@TSQL) 

Use the Sp_executesql Stored Procedure

To avoid the multi-layered quotes, use code that is similar to the following sample:

DECLARE @VAR char(2)
SELECT  @VAR = 'CA'
EXEC MyLinkedServer.master.dbo.sp_executesql
N'SELECT * FROM pubs.dbo.authors WHERE state = @state',
N'@state char(2)',
@VAR