sp_get_query_template (Transact-SQL)
Applies to: 
SQL Server
Returns the parameterized form of a query. The results returned mimic the parameterized form of a query that results from using forced parameterization. sp_get_query_template is used primarily when you create TEMPLATE plan guides.
Transact-SQL syntax conventions
Syntax
sp_get_query_template
[ @querytext = ] N'querytext'
, @templatetext OUTPUT
, @parameters OUTPUT
[ ; ]
Arguments
[ @querytext = ] N'querytext'
The query for which the parameterized version is to be generated. @querytext is nvarchar(max), and must be enclosed in single quotation marks and be preceded by the N Unicode specifier.
@templatetext
An OUTPUT parameter of type nvarchar(max), provided as indicated, to receive the parameterized form of @querytext as a string literal.
@parameters
An output parameter of type nvarchar(max), provided as indicated, to receive a string literal of the parameter names and data types that are parameterized in @templatetext.
Remarks
sp_get_query_template returns an error when the following occur:
- It doesn't parameterize any constant literal values in @querytext.
- @querytext is
NULL, not a Unicode string, syntactically not valid, or can't be compiled.
If sp_get_query_template returns an error, it doesn't modify the values of the @templatetext and @parameters output parameters.
Permissions
Requires membership in the public database role.
Examples
The following example returns the parameterized form of a query that contains two constant literal values.
USE AdventureWorks2022;
GO
DECLARE @my_templatetext NVARCHAR(MAX);
DECLARE @my_parameters NVARCHAR(MAX);
EXEC sp_get_query_template N'SELECT pi.ProductID, SUM(pi.Quantity) AS Total
FROM Production.ProductModel pm
INNER JOIN Production.ProductInventory pi
ON pm.ProductModelID = pi.ProductID
WHERE pi.ProductID = 2
GROUP BY pi.ProductID, pi.Quantity
HAVING SUM(pi.Quantity) > 400',
@my_templatetext OUTPUT,
@my_parameters OUTPUT;
SELECT @my_templatetext;
SELECT @my_parameters;
Here are the parameterized results of the @my_templatetext OUTPUT parameter:
select pi . ProductID , SUM ( pi . Quantity ) as Total
from Production . ProductModel pm
inner join Production . ProductInventory pi
on pm . ProductModelID = pi . ProductID
where pi . ProductID = @0
group by pi . ProductID , pi . Quantity
having SUM ( pi . Quantity ) > 400
The first constant literal, 2, is converted to a parameter. The second literal, 400, isn't converted because it's inside a HAVING clause. The results returned by sp_get_query_template mimic the parameterized form of a query when the PARAMETERIZATION option of ALTER DATABASE is set to FORCED.
Here are the parameterized results of the @my_parameters OUTPUT parameter:
@0 int
The order and naming of parameters in the output of sp_get_query_template can change between quick-fix engineering, service pack, and version upgrades of SQL Server. Upgrades can also cause a different set of constant literals to be parameterized for the same query, and different spacing to be applied in the results of both output parameters.