sys-fn-stmt-sql-handle-from-sql-stmt-transact-sql.md

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title: "sys.fn_stmt_sql_handle_from_sql_stmt (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/14/2017" ms.prod: sql ms.prod_service: "database-engine, sql-database" ms.component: "system-functions" ms.reviewer: "" ms.suite: "sql" ms.technology: system-objects ms.tgt_pltfrm: "" ms.topic: "language-reference" dev_langs:

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sys.fn_stmt_sql_handle_from_sql_stmt (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2016-asdb-xxxx-xxx-md]

Gets the stmt_sql_handle for a [!INCLUDEtsql] statement under given parameterization type (simple or forced). This allows you to refer to queries stored in the Query Store by using their stmt_sql_handle when you know their text.

Transact-SQL Syntax Conventions

Syntax

sys.fn_stmt_sql_handle_from_sql_stmt   
(  
    'query_sql_text',   
    [ query_param_type   
) [;]  

Arguments

query_sql_text
Is the text of the query in the query store that you want the handle of. query_sql_text is a nvarchar(max), with no default.

query_param_type
Is the parameter type of the query. query_param_type is a tinyint. Possible values are:

• NULL – defaults to 0

• 0 – None

• 1 – User

• 2 – Simple

• 3 – Forced

Columns Returned

The following table lists the columns that sys.fn_stmt_sql_handle_from_sql_stmt returns.

Column name	Type	Description
statement_sql_handle	varbinary(64)	The SQL handle.
query_sql_text	nvarchar(max)	The text of the [!INCLUDEtsql] statement.
query_parameterization_type	tinyint	The query parameterization type.

Return Code Values

0 (success) or 1 (failure)

Remarks

Permissions

Requires the EXECUTE permission on the database, and DELETE permission on the query store catalog views.

Examples

The following example executes a statement, and then uses sys.fn_stmt_sql_handle_from_sql_stmt to return the SQL handle of that statement.

SELECT * FROM sys.databases;   
SELECT * FROM sys.fn_stmt_sql_handle_from_sql_stmt('SELECT * FROM sys.databases', NULL);  

Use the function to correlate Query Store data with other dynamic management views. The following example:

SELECT qt.query_text_id, q.query_id, qt.query_sql_text, qt.statement_sql_handle,  
q.context_settings_id, qs.statement_context_id   
FROM sys.query_store_query_text AS qt  
JOIN sys.query_store_query AS q   
    ON qt.query_text_id = q.query_id  
CROSS APPLY sys.fn_stmt_sql_handle_from_sql_stmt (qt.query_sql_text, null) AS fn_handle_from_stmt  
JOIN sys.dm_exec_query_stats AS qs   
    ON fn_handle_from_stmt.statement_sql_handle = qs.statement_sql_handle;  

See Also

sp_query_store_force_plan (Transact-SQL)
sp_query_store_remove_plan (Transct-SQL)
sp_query_store_unforce_plan (Transact-SQL)
sp_query_store_reset_exec_stats (Transact-SQL)
sp_query_store_flush_db (Transact-SQL)
sp_query_store_remove_query (Transact-SQL)
Query Store Catalog Views (Transact-SQL)
Monitoring Performance By Using the Query Store