sp_BlitzWho.sql

IF OBJECT_ID('dbo.sp_BlitzWho') IS NULL
	EXEC ('CREATE PROCEDURE dbo.sp_BlitzWho AS RETURN 0;')
GO

ALTER PROCEDURE dbo.sp_BlitzWho 
	@Help TINYINT = 0 ,
	@ShowSleepingSPIDs TINYINT = 0,
	@ExpertMode BIT = 0,
	@Debug BIT = 0,
	@VersionDate DATETIME = NULL OUTPUT
AS
BEGIN
	SET NOCOUNT ON;
	SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
	DECLARE @Version VARCHAR(30);
	SET @Version = '6.3';
	SET @VersionDate = '20180301';


	IF @Help = 1
		PRINT '
sp_BlitzWho from http://FirstResponderKit.org

This script gives you a snapshot of everything currently executing on your SQL Server.

To learn more, visit http://FirstResponderKit.org where you can download new
versions for free, watch training videos on how it works, get more info on
the findings, contribute your own code, and more.

Known limitations of this version:
 - Only Microsoft-supported versions of SQL Server. Sorry, 2005 and 2000.
   
MIT License

Copyright (c) 2017 Brent Ozar Unlimited

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
';

/* Get the major and minor build numbers */
DECLARE  @ProductVersion NVARCHAR(128)
		,@ProductVersionMajor DECIMAL(10,2)
		,@ProductVersionMinor DECIMAL(10,2)
		,@EnhanceFlag BIT = 0
		,@StringToExecute NVARCHAR(MAX)
		,@EnhanceSQL NVARCHAR(MAX) = 
					N'query_stats.last_dop,
					  query_stats.min_dop,
					  query_stats.max_dop,
					  query_stats.last_grant_kb,
					  query_stats.min_grant_kb,
					  query_stats.max_grant_kb,
					  query_stats.last_used_grant_kb,
					  query_stats.min_used_grant_kb,
					  query_stats.max_used_grant_kb,
					  query_stats.last_ideal_grant_kb,
					  query_stats.min_ideal_grant_kb,
					  query_stats.max_ideal_grant_kb,
					  query_stats.last_reserved_threads,
					  query_stats.min_reserved_threads,
					  query_stats.max_reserved_threads,
					  query_stats.last_used_threads,
					  query_stats.min_used_threads,
					  query_stats.max_used_threads,'
		,@SessionWaits BIT = 0
		,@SessionWaitsSQL NVARCHAR(MAX) = 
						 N'LEFT JOIN ( SELECT DISTINCT
												wait.session_id ,
												( SELECT    TOP  5 waitwait.wait_type + N'' (''
												           + CAST(SUM(waitwait.wait_time_ms) AS NVARCHAR(128))
												           + N'' ms), ''
												 FROM      sys.dm_exec_session_wait_stats AS waitwait
												 WHERE     waitwait.session_id = wait.session_id
												 GROUP BY  waitwait.wait_type
												 HAVING SUM(waitwait.wait_time_ms) > 5
												 ORDER BY  SUM(waitwait.wait_time_ms) DESC
												 FOR
												 XML PATH('''') ) AS session_wait_info
										FROM    sys.dm_exec_session_wait_stats AS wait ) AS wt2
						ON      s.session_id = wt2.session_id
						LEFT JOIN sys.dm_exec_query_stats AS session_stats
						ON      r.sql_handle = session_stats.sql_handle
								AND r.plan_handle = session_stats.plan_handle
						        AND r.statement_start_offset = session_stats.statement_start_offset
						        AND r.statement_end_offset = session_stats.statement_end_offset' 
		,@QueryStatsXML BIT = 0
		,@QueryStatsXMLselect NVARCHAR(MAX) = N' CAST(COALESCE(qs_live.query_plan, ''<?No live query plan available. To turn on live plans, see https://www.BrentOzar.com/go/liveplans ?>'') AS XML) AS live_query_plan , ' 
		,@QueryStatsXMLSQL NVARCHAR(MAX) = N'OUTER APPLY sys.dm_exec_query_statistics_xml(s.session_id) qs_live' 


SET @ProductVersion = CAST(SERVERPROPERTY('ProductVersion') AS NVARCHAR(128));
SELECT @ProductVersionMajor = SUBSTRING(@ProductVersion, 1,CHARINDEX('.', @ProductVersion) + 1 ),
       @ProductVersionMinor = PARSENAME(CONVERT(VARCHAR(32), @ProductVersion), 2)
IF EXISTS (SELECT * FROM sys.all_columns WHERE object_id = OBJECT_ID('sys.dm_exec_query_statistics_xml') AND name = 'query_plan')
	SET @QueryStatsXML = 1;


IF @ProductVersionMajor > 9 and @ProductVersionMajor < 11
BEGIN
SET @StringToExecute = N'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
    
    
						DECLARE @blocked TABLE 
								(
								  dbid SMALLINT NOT NULL,
								  last_batch DATETIME NOT NULL,
								  open_tran SMALLINT NOT NULL,
								  sql_handle BINARY(20) NOT NULL,
								  session_id SMALLINT NOT NULL,
								  blocking_session_id SMALLINT NOT NULL,
								  lastwaittype NCHAR(32) NOT NULL,
								  waittime BIGINT NOT NULL,
								  cpu INT NOT NULL,
								  physical_io BIGINT NOT NULL,
								  memusage INT NOT NULL
								); 
						
						INSERT @blocked ( dbid, last_batch, open_tran, sql_handle, session_id, blocking_session_id, lastwaittype, waittime, cpu, physical_io, memusage )
						SELECT
							sys1.dbid, sys1.last_batch, sys1.open_tran, sys1.sql_handle, 
							sys2.spid AS session_id, sys2.blocked AS blocking_session_id, sys2.lastwaittype, sys2.waittime, sys2.cpu, sys2.physical_io, sys2.memusage
						FROM sys.sysprocesses AS sys1
						JOIN sys.sysprocesses AS sys2
						ON sys1.spid = sys2.blocked;

					    SELECT  GETDATE() AS run_date ,
			            COALESCE(
							CONVERT(VARCHAR(20), (ABS(r.total_elapsed_time) / 1000) / 86400) + '':'' + CONVERT(VARCHAR(20), DATEADD(SECOND, (r.total_elapsed_time / 1000), 0), 114) ,
							CONVERT(VARCHAR(20), DATEDIFF(SECOND, s.last_request_start_time, GETDATE()) / 86400) + '':''
								+ CONVERT(VARCHAR(20), DATEADD(SECOND,  DATEDIFF(SECOND, s.last_request_start_time, GETDATE()), 0), 114)
								) AS [elapsed_time] ,
			            s.session_id ,
						COALESCE(DB_NAME(r.database_id), DB_NAME(blocked.dbid), ''N/A'') AS database_name,
			            ISNULL(SUBSTRING(dest.text,
			                             ( query_stats.statement_start_offset / 2 ) + 1,
			                             ( ( CASE query_stats.statement_end_offset
			                                   WHEN -1 THEN DATALENGTH(dest.text)
			                                   ELSE query_stats.statement_end_offset
			                                 END - query_stats.statement_start_offset )
			                               / 2 ) + 1), dest.text) AS query_text ,
			            derp.query_plan ,
						qmg.query_cost ,										   		            
						s.status ,
			            COALESCE(wt.wait_info, RTRIM(blocked.lastwaittype) + '' ('' + CONVERT(VARCHAR(10), 
						blocked.waittime) + '')'' ) AS wait_info ,											
						CASE WHEN r.blocking_session_id <> 0 AND blocked.session_id IS NULL 
							 THEN r.blocking_session_id
							 WHEN r.blocking_session_id <> 0 AND s.session_id <> blocked.blocking_session_id 
							 THEN blocked.blocking_session_id
							ELSE NULL 
						END AS blocking_session_id , 
			            COALESCE(r.open_transaction_count, blocked.open_tran) AS open_transaction_count ,
						CASE WHEN EXISTS (  SELECT 1 
                                            FROM sys.dm_tran_active_transactions AS tat
                                            JOIN sys.dm_tran_session_transactions AS tst
                                            ON tst.transaction_id = tat.transaction_id
                                            WHERE tat.name = ''implicit_transaction''
                                            AND s.session_id = tst.session_id 
                                         )  THEN 1 
                             ELSE 0 
                        END AS is_implicit_transaction ,
					    s.nt_domain ,
			            s.host_name ,
			            s.login_name ,
			            s.nt_user_name ,
			            s.program_name
						'
						
					IF @ExpertMode = 1
					BEGIN
					SET @StringToExecute += 
			            N',
			            s.client_interface_name ,
			            s.login_time ,
			            r.start_time ,
			            qmg.request_time ,
						COALESCE(r.cpu_time, s.cpu_time) AS request_cpu_time,
			            COALESCE(r.logical_reads, s.logical_reads) AS request_logical_reads,
			            COALESCE(r.writes, s.writes) AS request_writes,
			            COALESCE(r.reads, s.reads) AS request_physical_reads ,
			            s.cpu_time AS session_cpu,
			            s.logical_reads AS session_logical_reads,
			            s.reads AS session_physical_reads ,
			            s.writes AS session_writes,					
						tempdb_allocations.tempdb_allocations_mb,
			            s.memory_usage ,
			            r.estimated_completion_time , 	
						r.percent_complete , 
			            r.deadlock_priority ,
			            CASE 
			              WHEN s.transaction_isolation_level = 0 THEN ''Unspecified''
			              WHEN s.transaction_isolation_level = 1 THEN ''Read Uncommitted''
			              WHEN s.transaction_isolation_level = 2 AND EXISTS (SELECT 1 FROM sys.dm_tran_active_snapshot_database_transactions AS trn WHERE s.session_id = trn.session_id AND is_snapshot = 0 ) THEN ''Read Committed Snapshot Isolation''
						  WHEN s.transaction_isolation_level = 2 AND NOT EXISTS (SELECT 1 FROM sys.dm_tran_active_snapshot_database_transactions AS trn WHERE s.session_id = trn.session_id AND is_snapshot = 0 ) THEN ''Read Committed''
			              WHEN s.transaction_isolation_level = 3 THEN ''Repeatable Read''
			              WHEN s.transaction_isolation_level = 4 THEN ''Serializable''
			              WHEN s.transaction_isolation_level = 5 THEN ''Snapshot''
			              ELSE ''WHAT HAVE YOU DONE?''
			            END AS transaction_isolation_level ,				
						qmg.dop AS degree_of_parallelism ,
			            COALESCE(CAST(qmg.grant_time AS VARCHAR(20)), ''N/A'') AS grant_time ,
			            qmg.requested_memory_kb ,
			            qmg.granted_memory_kb AS grant_memory_kb,
			            CASE WHEN qmg.grant_time IS NULL THEN ''N/A''
                             WHEN qmg.requested_memory_kb < qmg.granted_memory_kb
			                 THEN ''Query Granted Less Than Query Requested''
			                 ELSE ''Memory Request Granted''
			            END AS is_request_granted ,
			            qmg.required_memory_kb ,
			            qmg.used_memory_kb AS query_memory_grant_used_memory_kb,
			            qmg.ideal_memory_kb ,
			            qmg.is_small ,
			            qmg.timeout_sec ,
			            qmg.resource_semaphore_id ,
			            COALESCE(CAST(qmg.wait_order AS VARCHAR(20)), ''N/A'') AS wait_order ,
			            COALESCE(CAST(qmg.wait_time_ms AS VARCHAR(20)),
			                     ''N/A'') AS wait_time_ms ,
			            CASE qmg.is_next_candidate
			              WHEN 0 THEN ''No''
			              WHEN 1 THEN ''Yes''
			              ELSE ''N/A''
			            END AS next_candidate_for_memory_grant ,
			            qrs.target_memory_kb ,
			            COALESCE(CAST(qrs.max_target_memory_kb AS VARCHAR(20)),
			                     ''Small Query Resource Semaphore'') AS max_target_memory_kb ,
			            qrs.total_memory_kb ,
			            qrs.available_memory_kb ,
			            qrs.granted_memory_kb ,
			            qrs.used_memory_kb AS query_resource_semaphore_used_memory_kb,
			            qrs.grantee_count ,
			            qrs.waiter_count ,
			            qrs.timeout_error_count ,
			            COALESCE(CAST(qrs.forced_grant_count AS VARCHAR(20)),
			                     ''Small Query Resource Semaphore'') AS forced_grant_count,
						wg.name AS workload_group_name , 
						rp.name AS resource_pool_name,
 						CONVERT(VARCHAR(128), r.context_info)  AS context_info
						'
					END
				
			SET @StringToExecute += 			    
				N'FROM    sys.dm_exec_sessions AS s
			    LEFT JOIN    sys.dm_exec_requests AS r
			    ON      r.session_id = s.session_id
			    LEFT JOIN ( SELECT DISTINCT
			                        wait.session_id ,
			                        ( SELECT    waitwait.wait_type + N'' (''
			                                    + CAST(SUM(waitwait.wait_duration_ms) AS NVARCHAR(128))
			                                    + N'' ms) ''
			                          FROM      sys.dm_os_waiting_tasks AS waitwait
			                          WHERE     waitwait.session_id = wait.session_id
			                          GROUP BY  waitwait.wait_type
			                          ORDER BY  SUM(waitwait.wait_duration_ms) DESC
			                        FOR
			                          XML PATH('''') ) AS wait_info
			                FROM    sys.dm_os_waiting_tasks AS wait ) AS wt
			    ON      s.session_id = wt.session_id
			    LEFT JOIN sys.dm_exec_query_stats AS query_stats
			    ON      r.sql_handle = query_stats.sql_handle
						AND r.plan_handle = query_stats.plan_handle
			            AND r.statement_start_offset = query_stats.statement_start_offset
			            AND r.statement_end_offset = query_stats.statement_end_offset
			    LEFT JOIN sys.dm_exec_query_memory_grants qmg
			    ON      r.session_id = qmg.session_id
						AND r.request_id = qmg.request_id
			    LEFT JOIN sys.dm_exec_query_resource_semaphores qrs
			    ON      qmg.resource_semaphore_id = qrs.resource_semaphore_id
					    AND qmg.pool_id = qrs.pool_id
				LEFT JOIN sys.resource_governor_workload_groups wg 
				ON 		s.group_id = wg.group_id
				LEFT JOIN sys.resource_governor_resource_pools rp 
				ON		wg.pool_id = rp.pool_id
				OUTER APPLY (
								SELECT TOP 1
								b.dbid, b.last_batch, b.open_tran, b.sql_handle, 
								b.session_id, b.blocking_session_id, b.lastwaittype, b.waittime
								FROM @blocked b
								WHERE (s.session_id = b.session_id
										OR s.session_id = b.blocking_session_id)
							) AS blocked				
				OUTER APPLY sys.dm_exec_sql_text(COALESCE(r.sql_handle, blocked.sql_handle)) AS dest
			    OUTER APPLY sys.dm_exec_query_plan(r.plan_handle) AS derp
				OUTER APPLY (
						SELECT CONVERT(DECIMAL(38,2), SUM( (((tsu.user_objects_alloc_page_count - user_objects_dealloc_page_count) * 8) / 1024.)) ) AS tempdb_allocations_mb
						FROM sys.dm_db_task_space_usage tsu
						WHERE tsu.request_id = r.request_id
						AND tsu.session_id = r.session_id
						AND tsu.session_id = s.session_id
				) as tempdb_allocations
			    WHERE s.session_id <> @@SPID 
				AND s.host_name IS NOT NULL
				'
				+ CASE WHEN @ShowSleepingSPIDs = 0 THEN
						N' AND COALESCE(DB_NAME(r.database_id), DB_NAME(blocked.dbid)) IS NOT NULL'
					  WHEN @ShowSleepingSPIDs = 1 THEN
						N' OR COALESCE(r.open_transaction_count, blocked.open_tran) >= 1'
					 ELSE N'' END
				+
				' ORDER BY 2 DESC;
			    '
END
IF @ProductVersionMajor >= 11 
BEGIN
SELECT @EnhanceFlag = 
	    CASE WHEN @ProductVersionMajor = 11 AND @ProductVersionMinor >= 6020 THEN 1
		     WHEN @ProductVersionMajor = 12 AND @ProductVersionMinor >= 5000 THEN 1
		     WHEN @ProductVersionMajor = 13 AND	@ProductVersionMinor >= 1601 THEN 1
		     ELSE 0 
	    END


IF OBJECT_ID('sys.dm_exec_session_wait_stats') IS NOT NULL
BEGIN
	SET @SessionWaits = 1
END



SELECT @StringToExecute = N'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
            
						DECLARE @blocked TABLE 
								(
								  dbid SMALLINT NOT NULL,
								  last_batch DATETIME NOT NULL,
								  open_tran SMALLINT NOT NULL,
								  sql_handle BINARY(20) NOT NULL,
								  session_id SMALLINT NOT NULL,
								  blocking_session_id SMALLINT NOT NULL,
								  lastwaittype NCHAR(32) NOT NULL,
								  waittime BIGINT NOT NULL,
								  cpu INT NOT NULL,
								  physical_io BIGINT NOT NULL,
								  memusage INT NOT NULL
								); 
						
						INSERT @blocked ( dbid, last_batch, open_tran, sql_handle, session_id, blocking_session_id, lastwaittype, waittime, cpu, physical_io, memusage )
						SELECT
							sys1.dbid, sys1.last_batch, sys1.open_tran, sys1.sql_handle, 
							sys2.spid AS session_id, sys2.blocked AS blocking_session_id, sys2.lastwaittype, sys2.waittime, sys2.cpu, sys2.physical_io, sys2.memusage
						FROM sys.sysprocesses AS sys1
						JOIN sys.sysprocesses AS sys2
						ON sys1.spid = sys2.blocked;

					    SELECT  GETDATE() AS run_date ,
			            COALESCE(
							CONVERT(VARCHAR(20), (ABS(r.total_elapsed_time) / 1000) / 86400) + '':'' + CONVERT(VARCHAR(20), DATEADD(SECOND, (r.total_elapsed_time / 1000), 0), 114) ,
							CONVERT(VARCHAR(20), DATEDIFF(SECOND, s.last_request_start_time, GETDATE()) / 86400) + '':''
								+ CONVERT(VARCHAR(20), DATEADD(SECOND,  DATEDIFF(SECOND, s.last_request_start_time, GETDATE()), 0), 114)
								) AS [elapsed_time] ,
			            s.session_id ,
						COALESCE(DB_NAME(r.database_id), DB_NAME(blocked.dbid), ''N/A'') AS database_name,
			            ISNULL(SUBSTRING(dest.text,
			                             ( query_stats.statement_start_offset / 2 ) + 1,
			                             ( ( CASE query_stats.statement_end_offset
			                                   WHEN -1 THEN DATALENGTH(dest.text)
			                                   ELSE query_stats.statement_end_offset
			                                 END - query_stats.statement_start_offset )
			                               / 2 ) + 1), dest.text) AS query_text ,
			            derp.query_plan ,'
						 +
						CASE @QueryStatsXML
							 WHEN 1 THEN + @QueryStatsXMLselect
							 ELSE N''
						END
						+' 
			            qmg.query_cost ,
			            s.status ,
			            COALESCE(wt.wait_info, RTRIM(blocked.lastwaittype) + '' ('' + CONVERT(VARCHAR(10), blocked.waittime) + '')'' ) AS wait_info ,'
						+
						CASE @SessionWaits
							 WHEN 1 THEN + N'SUBSTRING(wt2.session_wait_info, 0, LEN(wt2.session_wait_info) ) AS top_session_waits ,'
							 ELSE N''
						END
						+																	
						N'CASE WHEN r.blocking_session_id <> 0 AND blocked.session_id IS NULL 
							   THEN r.blocking_session_id
							   WHEN r.blocking_session_id <> 0 AND s.session_id <> blocked.blocking_session_id 
							   THEN blocked.blocking_session_id
							   ELSE NULL 
						  END AS blocking_session_id,
			            COALESCE(r.open_transaction_count, blocked.open_tran) AS open_transaction_count ,
						CASE WHEN EXISTS (  SELECT 1 
                                            FROM sys.dm_tran_active_transactions AS tat
                                            JOIN sys.dm_tran_session_transactions AS tst
                                            ON tst.transaction_id = tat.transaction_id
                                            WHERE tat.name = ''implicit_transaction''
                                            AND s.session_id = tst.session_id 
                                         )  THEN 1 
                             ELSE 0 
                        END AS is_implicit_transaction ,                        		
					    s.nt_domain ,
			            s.host_name ,
			            s.login_name ,
			            s.nt_user_name ,
			            s.program_name 
						'	            
					IF @ExpertMode = 1
					BEGIN
					SET @StringToExecute += 						
						N',
			            s.client_interface_name ,
			            s.login_time ,
			            r.start_time ,		
			            qmg.request_time ,										
						COALESCE(r.cpu_time, s.cpu_time) AS request_cpu_time,
			            COALESCE(r.logical_reads, s.logical_reads) AS request_logical_reads,
			            COALESCE(r.writes, s.writes) AS request_writes,
			            COALESCE(r.reads, s.reads) AS request_physical_reads ,
			            s.cpu_time AS session_cpu,
			            s.logical_reads AS session_logical_reads,
			            s.reads AS session_physical_reads ,
			            s.writes AS session_writes,
						tempdb_allocations.tempdb_allocations_mb,
			            s.memory_usage ,
			            r.estimated_completion_time , 
						r.percent_complete , 
			            r.deadlock_priority ,
						CASE 
			              WHEN s.transaction_isolation_level = 0 THEN ''Unspecified''
			              WHEN s.transaction_isolation_level = 1 THEN ''Read Uncommitted''
			              WHEN s.transaction_isolation_level = 2 AND EXISTS (SELECT 1 FROM sys.dm_tran_active_snapshot_database_transactions AS trn WHERE s.session_id = trn.session_id AND is_snapshot = 0 ) THEN ''Read Committed Snapshot Isolation''
						  WHEN s.transaction_isolation_level = 2 AND NOT EXISTS (SELECT 1 FROM sys.dm_tran_active_snapshot_database_transactions AS trn WHERE s.session_id = trn.session_id AND is_snapshot = 0 ) THEN ''Read Committed''
			              WHEN s.transaction_isolation_level = 3 THEN ''Repeatable Read''
			              WHEN s.transaction_isolation_level = 4 THEN ''Serializable''
			              WHEN s.transaction_isolation_level = 5 THEN ''Snapshot''
			              ELSE ''WHAT HAVE YOU DONE?''
			            END AS transaction_isolation_level ,
						qmg.dop AS degree_of_parallelism ,						'
					    + 
					    CASE @EnhanceFlag
							 WHEN 1 THEN @EnhanceSQL
							 ELSE N'' 
						END 
						+
					    N'
			            COALESCE(CAST(qmg.grant_time AS VARCHAR(20)), ''Memory Not Granted'') AS grant_time ,
			            qmg.requested_memory_kb ,
			            qmg.granted_memory_kb AS grant_memory_kb,
			            CASE WHEN qmg.grant_time IS NULL THEN ''N/A''
                             WHEN qmg.requested_memory_kb < qmg.granted_memory_kb
			                 THEN ''Query Granted Less Than Query Requested''
			                 ELSE ''Memory Request Granted''
			            END AS is_request_granted ,
			            qmg.required_memory_kb ,
			            qmg.used_memory_kb AS query_memory_grant_used_memory_kb,
			            qmg.ideal_memory_kb ,
			            qmg.is_small ,
			            qmg.timeout_sec ,
			            qmg.resource_semaphore_id ,
			            COALESCE(CAST(qmg.wait_order AS VARCHAR(20)), ''N/A'') AS wait_order ,
			            COALESCE(CAST(qmg.wait_time_ms AS VARCHAR(20)),
			                     ''N/A'') AS wait_time_ms ,
			            CASE qmg.is_next_candidate
			              WHEN 0 THEN ''No''
			              WHEN 1 THEN ''Yes''
			              ELSE ''N/A''
			            END AS next_candidate_for_memory_grant ,
			            qrs.target_memory_kb ,
			            COALESCE(CAST(qrs.max_target_memory_kb AS VARCHAR(20)),
			                     ''Small Query Resource Semaphore'') AS max_target_memory_kb ,
			            qrs.total_memory_kb ,
			            qrs.available_memory_kb ,
			            qrs.granted_memory_kb ,
			            qrs.used_memory_kb AS query_resource_semaphore_used_memory_kb,
			            qrs.grantee_count ,
			            qrs.waiter_count ,
			            qrs.timeout_error_count ,
			            COALESCE(CAST(qrs.forced_grant_count AS VARCHAR(20)),
			                     ''Small Query Resource Semaphore'') AS forced_grant_count,
						wg.name AS workload_group_name, 
						rp.name AS resource_pool_name,
 						CONVERT(VARCHAR(128), r.context_info)  AS context_info
						'
					END
					
					SET @StringToExecute += 	
						N'FROM sys.dm_exec_sessions AS s
						LEFT JOIN    sys.dm_exec_requests AS r
									    ON      r.session_id = s.session_id
						LEFT JOIN ( SELECT DISTINCT
									                        wait.session_id ,
									                        ( SELECT    waitwait.wait_type + N'' (''
									                                    + CAST(SUM(waitwait.wait_duration_ms) AS NVARCHAR(128))
									                                    + N'' ms) ''
									                          FROM      sys.dm_os_waiting_tasks AS waitwait
									                          WHERE     waitwait.session_id = wait.session_id
									                          GROUP BY  waitwait.wait_type
									                          ORDER BY  SUM(waitwait.wait_duration_ms) DESC
									                        FOR
									                          XML PATH('''') ) AS wait_info
									                FROM    sys.dm_os_waiting_tasks AS wait ) AS wt
									    ON      s.session_id = wt.session_id
						LEFT JOIN sys.dm_exec_query_stats AS query_stats
						ON      r.sql_handle = query_stats.sql_handle
								AND r.plan_handle = query_stats.plan_handle
						        AND r.statement_start_offset = query_stats.statement_start_offset
						        AND r.statement_end_offset = query_stats.statement_end_offset
						'
						+
						CASE @SessionWaits
							 WHEN 1 THEN @SessionWaitsSQL
							 ELSE N''
						END
						+ 
						'
						LEFT JOIN sys.dm_exec_query_memory_grants qmg
						ON      r.session_id = qmg.session_id
								AND r.request_id = qmg.request_id
						LEFT JOIN sys.dm_exec_query_resource_semaphores qrs
						ON      qmg.resource_semaphore_id = qrs.resource_semaphore_id
							    AND qmg.pool_id = qrs.pool_id
						LEFT JOIN sys.resource_governor_workload_groups wg 
						ON 		s.group_id = wg.group_id
						LEFT JOIN sys.resource_governor_resource_pools rp 
						ON		wg.pool_id = rp.pool_id
						OUTER APPLY (
								SELECT TOP 1
								b.dbid, b.last_batch, b.open_tran, b.sql_handle, 
								b.session_id, b.blocking_session_id, b.lastwaittype, b.waittime
								FROM @blocked b
								WHERE (s.session_id = b.session_id
										OR s.session_id = b.blocking_session_id)
							) AS blocked
						OUTER APPLY sys.dm_exec_sql_text(COALESCE(r.sql_handle, blocked.sql_handle)) AS dest
						OUTER APPLY sys.dm_exec_query_plan(r.plan_handle) AS derp
						OUTER APPLY (
								SELECT CONVERT(DECIMAL(38,2), SUM( (((tsu.user_objects_alloc_page_count - user_objects_dealloc_page_count) * 8) / 1024.)) ) AS tempdb_allocations_mb
								FROM sys.dm_db_task_space_usage tsu
								WHERE tsu.request_id = r.request_id
								AND tsu.session_id = r.session_id
								AND tsu.session_id = s.session_id
						) as tempdb_allocations
						'
						+
						CASE @QueryStatsXML
							 WHEN 1 THEN @QueryStatsXMLSQL
							 ELSE N''
						END
						+ 
						'
						WHERE s.session_id <> @@SPID 
						AND s.host_name IS NOT NULL
						'
						+ CASE WHEN @ShowSleepingSPIDs = 0 THEN
								N' AND COALESCE(DB_NAME(r.database_id), DB_NAME(blocked.dbid)) IS NOT NULL'
							  WHEN @ShowSleepingSPIDs = 1 THEN
								N' OR COALESCE(r.open_transaction_count, blocked.open_tran) >= 1'
							 ELSE N'' END
						+
						' ORDER BY 2 DESC;
						'

END 

IF @Debug = 1
	BEGIN
		PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 0, 8000))
		PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 8000, 160000))
	END

EXEC(@StringToExecute);

END
GO