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sp_BlitzWho.sql
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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,
@OutputDatabaseName NVARCHAR(256) = NULL ,
@OutputSchemaName NVARCHAR(256) = NULL ,
@OutputTableName NVARCHAR(256) = NULL ,
@OutputTableRetentionDays TINYINT = 3 ,
@MinElapsedSeconds INT = 0 ,
@MinCPUTime INT = 0 ,
@MinLogicalReads INT = 0 ,
@MinPhysicalReads INT = 0 ,
@MinWrites INT = 0 ,
@MinTempdbMB INT = 0 ,
@MinRequestedMemoryKB INT = 0 ,
@MinBlockingSeconds INT = 0 ,
@CheckDateOverride DATETIMEOFFSET = NULL,
@ShowActualParameters BIT = 0,
@Version VARCHAR(30) = NULL OUTPUT,
@VersionDate DATETIME = NULL OUTPUT,
@VersionCheckMode BIT = 0,
@SortOrder NVARCHAR(256) = N'elapsed time'
AS
BEGIN
SET NOCOUNT ON;
SET STATISTICS XML OFF;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT @Version = '8.04', @VersionDate = '20210530';
IF(@VersionCheckMode = 1)
BEGIN
RETURN;
END;
IF @Help = 1
BEGIN
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.
- Outputting to table is only supported with SQL Server 2012 and higher.
- If @OutputDatabaseName and @OutputSchemaName are populated, the database and
schema must already exist. We will not create them, only the table.
MIT License
Copyright (c) 2021 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.
';
RETURN;
END; /* @Help = 1 */
/* Get the major and minor build numbers */
DECLARE @ProductVersion NVARCHAR(128)
,@ProductVersionMajor DECIMAL(10,2)
,@ProductVersionMinor DECIMAL(10,2)
,@Platform NVARCHAR(8) /* Azure or NonAzure are acceptable */ = (SELECT CASE WHEN @@VERSION LIKE '%Azure%' THEN N'Azure' ELSE N'NonAzure' END AS [Platform])
,@EnhanceFlag BIT = 0
,@BlockingCheck NVARCHAR(MAX)
,@StringToSelect NVARCHAR(MAX)
,@StringToExecute NVARCHAR(MAX)
,@OutputTableCleanupDate DATE
,@SessionWaits BIT = 0
,@SessionWaitsSQL NVARCHAR(MAX) =
N'LEFT JOIN ( SELECT DISTINCT
wait.session_id ,
( SELECT TOP 5 waitwait.wait_type + N'' (''
+ CAST(MAX(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 1
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'
,@ObjectFullName NVARCHAR(2000)
,@OutputTableNameQueryStats_View NVARCHAR(256)
,@LineFeed NVARCHAR(MAX) /* Had to set as MAX up from 10 as it was truncating the view creation*/;
/* Let's get @SortOrder set to lower case here for comparisons later */
SET @SortOrder = REPLACE(LOWER(@SortOrder), N' ', N'_');
SET @ProductVersion = CAST(SERVERPROPERTY('ProductVersion') AS NVARCHAR(128));
SELECT @ProductVersionMajor = SUBSTRING(@ProductVersion, 1,CHARINDEX('.', @ProductVersion) + 1 ),
@ProductVersionMinor = PARSENAME(CONVERT(VARCHAR(32), @ProductVersion), 2)
SELECT
@OutputTableNameQueryStats_View = QUOTENAME(@OutputTableName + '_Deltas'),
@OutputDatabaseName = QUOTENAME(@OutputDatabaseName),
@OutputSchemaName = QUOTENAME(@OutputSchemaName),
@OutputTableName = QUOTENAME(@OutputTableName),
@LineFeed = CHAR(13) + CHAR(10);
IF @OutputDatabaseName IS NOT NULL AND @OutputSchemaName IS NOT NULL AND @OutputTableName IS NOT NULL
AND EXISTS ( SELECT *
FROM sys.databases
WHERE QUOTENAME([name]) = @OutputDatabaseName)
BEGIN
SET @ExpertMode = 1; /* Force ExpertMode when we're logging to table */
/* Create the table if it doesn't exist */
SET @StringToExecute = N'USE '
+ @OutputDatabaseName
+ N'; IF EXISTS(SELECT * FROM '
+ @OutputDatabaseName
+ N'.INFORMATION_SCHEMA.SCHEMATA WHERE QUOTENAME(SCHEMA_NAME) = '''
+ @OutputSchemaName
+ N''') AND NOT EXISTS (SELECT * FROM '
+ @OutputDatabaseName
+ N'.INFORMATION_SCHEMA.TABLES WHERE QUOTENAME(TABLE_SCHEMA) = '''
+ @OutputSchemaName + N''' AND QUOTENAME(TABLE_NAME) = '''
+ @OutputTableName + N''') CREATE TABLE '
+ @OutputSchemaName + N'.'
+ @OutputTableName
+ N'(';
SET @StringToExecute = @StringToExecute + N'
ID INT IDENTITY(1,1) NOT NULL,
ServerName NVARCHAR(128) NOT NULL,
CheckDate DATETIMEOFFSET NOT NULL,
[elapsed_time] [varchar](41) NULL,
[session_id] [smallint] NOT NULL,
[database_name] [nvarchar](128) NULL,
[query_text] [nvarchar](max) NULL,
[query_plan] [xml] NULL,
[live_query_plan] [xml] NULL,
[cached_parameter_info] [nvarchar](max) NULL,
[live_parameter_info] [nvarchar](max) NULL,
[query_cost] [float] NULL,
[status] [nvarchar](30) NOT NULL,
[wait_info] [nvarchar](max) NULL,
[top_session_waits] [nvarchar](max) NULL,
[blocking_session_id] [smallint] NULL,
[open_transaction_count] [int] NULL,
[is_implicit_transaction] [int] NOT NULL,
[nt_domain] [nvarchar](128) NULL,
[host_name] [nvarchar](128) NULL,
[login_name] [nvarchar](128) NOT NULL,
[nt_user_name] [nvarchar](128) NULL,
[program_name] [nvarchar](128) NULL,
[fix_parameter_sniffing] [nvarchar](150) NULL,
[client_interface_name] [nvarchar](32) NULL,
[login_time] [datetime] NOT NULL,
[start_time] [datetime] NULL,
[request_time] [datetime] NULL,
[request_cpu_time] [int] NULL,
[request_logical_reads] [bigint] NULL,
[request_writes] [bigint] NULL,
[request_physical_reads] [bigint] NULL,
[session_cpu] [int] NOT NULL,
[session_logical_reads] [bigint] NOT NULL,
[session_physical_reads] [bigint] NOT NULL,
[session_writes] [bigint] NOT NULL,
[tempdb_allocations_mb] [decimal](38, 2) NULL,
[memory_usage] [int] NOT NULL,
[estimated_completion_time] [bigint] NULL,
[percent_complete] [real] NULL,
[deadlock_priority] [int] NULL,
[transaction_isolation_level] [varchar](33) NOT NULL,
[degree_of_parallelism] [smallint] NULL,
[last_dop] [bigint] NULL,
[min_dop] [bigint] NULL,
[max_dop] [bigint] NULL,
[last_grant_kb] [bigint] NULL,
[min_grant_kb] [bigint] NULL,
[max_grant_kb] [bigint] NULL,
[last_used_grant_kb] [bigint] NULL,
[min_used_grant_kb] [bigint] NULL,
[max_used_grant_kb] [bigint] NULL,
[last_ideal_grant_kb] [bigint] NULL,
[min_ideal_grant_kb] [bigint] NULL,
[max_ideal_grant_kb] [bigint] NULL,
[last_reserved_threads] [bigint] NULL,
[min_reserved_threads] [bigint] NULL,
[max_reserved_threads] [bigint] NULL,
[last_used_threads] [bigint] NULL,
[min_used_threads] [bigint] NULL,
[max_used_threads] [bigint] NULL,
[grant_time] [varchar](20) NULL,
[requested_memory_kb] [bigint] NULL,
[grant_memory_kb] [bigint] NULL,
[is_request_granted] [varchar](39) NOT NULL,
[required_memory_kb] [bigint] NULL,
[query_memory_grant_used_memory_kb] [bigint] NULL,
[ideal_memory_kb] [bigint] NULL,
[is_small] [bit] NULL,
[timeout_sec] [int] NULL,
[resource_semaphore_id] [smallint] NULL,
[wait_order] [varchar](20) NULL,
[wait_time_ms] [varchar](20) NULL,
[next_candidate_for_memory_grant] [varchar](3) NOT NULL,
[target_memory_kb] [bigint] NULL,
[max_target_memory_kb] [varchar](30) NULL,
[total_memory_kb] [bigint] NULL,
[available_memory_kb] [bigint] NULL,
[granted_memory_kb] [bigint] NULL,
[query_resource_semaphore_used_memory_kb] [bigint] NULL,
[grantee_count] [int] NULL,
[waiter_count] [int] NULL,
[timeout_error_count] [bigint] NULL,
[forced_grant_count] [varchar](30) NULL,
[workload_group_name] [sysname] NULL,
[resource_pool_name] [sysname] NULL,
[context_info] [varchar](128) NULL,
[query_hash] [binary](8) NULL,
[query_plan_hash] [binary](8) NULL,
[sql_handle] [varbinary] (64) NULL,
[plan_handle] [varbinary] (64) NULL,
[statement_start_offset] INT NULL,
[statement_end_offset] INT NULL,
JoinKey AS ServerName + CAST(CheckDate AS NVARCHAR(50)),
PRIMARY KEY CLUSTERED (ID ASC));';
IF @Debug = 1
BEGIN
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 0, 8000))
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 8000, 16000))
END
EXEC(@StringToExecute);
/* If the table doesn't have the new JoinKey computed column, add it. See Github #2162. */
SET @ObjectFullName = @OutputDatabaseName + N'.' + @OutputSchemaName + N'.' + @OutputTableName;
SET @StringToExecute = N'IF NOT EXISTS (SELECT * FROM ' + @OutputDatabaseName + N'.sys.all_columns
WHERE object_id = (OBJECT_ID(''' + @ObjectFullName + N''')) AND name = ''JoinKey'')
ALTER TABLE ' + @ObjectFullName + N' ADD JoinKey AS ServerName + CAST(CheckDate AS NVARCHAR(50));';
EXEC(@StringToExecute);
/* If the table doesn't have the new cached_parameter_info computed column, add it. See Github #2842. */
SET @ObjectFullName = @OutputDatabaseName + N'.' + @OutputSchemaName + N'.' + @OutputTableName;
SET @StringToExecute = N'IF NOT EXISTS (SELECT * FROM ' + @OutputDatabaseName + N'.sys.all_columns
WHERE object_id = (OBJECT_ID(''' + @ObjectFullName + N''')) AND name = ''cached_parameter_info'')
ALTER TABLE ' + @ObjectFullName + N' ADD cached_parameter_info NVARCHAR(MAX) NULL;';
EXEC(@StringToExecute);
/* If the table doesn't have the new live_parameter_info computed column, add it. See Github #2842. */
SET @ObjectFullName = @OutputDatabaseName + N'.' + @OutputSchemaName + N'.' + @OutputTableName;
SET @StringToExecute = N'IF NOT EXISTS (SELECT * FROM ' + @OutputDatabaseName + N'.sys.all_columns
WHERE object_id = (OBJECT_ID(''' + @ObjectFullName + N''')) AND name = ''live_parameter_info'')
ALTER TABLE ' + @ObjectFullName + N' ADD live_parameter_info NVARCHAR(MAX) NULL;';
EXEC(@StringToExecute);
/* Delete history older than @OutputTableRetentionDays */
SET @OutputTableCleanupDate = CAST( (DATEADD(DAY, -1 * @OutputTableRetentionDays, GETDATE() ) ) AS DATE);
SET @StringToExecute = N' IF EXISTS(SELECT * FROM '
+ @OutputDatabaseName
+ N'.INFORMATION_SCHEMA.SCHEMATA WHERE QUOTENAME(SCHEMA_NAME) = '''
+ @OutputSchemaName + N''') DELETE '
+ @OutputDatabaseName + '.'
+ @OutputSchemaName + '.'
+ @OutputTableName
+ N' WHERE ServerName = @SrvName AND CheckDate < @CheckDate;';
IF @Debug = 1
BEGIN
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 0, 8000))
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 8000, 16000))
END
EXEC sp_executesql @StringToExecute,
N'@SrvName NVARCHAR(128), @CheckDate date',
@@SERVERNAME, @OutputTableCleanupDate;
SET @ObjectFullName = @OutputDatabaseName + N'.' + @OutputSchemaName + N'.' + @OutputTableNameQueryStats_View;
/* Create the view */
IF OBJECT_ID(@ObjectFullName) IS NULL
BEGIN
SET @StringToExecute = N'USE '
+ @OutputDatabaseName
+ N'; EXEC (''CREATE VIEW '
+ @OutputSchemaName + '.'
+ @OutputTableNameQueryStats_View + N' AS ' + @LineFeed
+ N'WITH MaxQueryDuration AS ' + @LineFeed
+ N'( ' + @LineFeed
+ N' SELECT ' + @LineFeed
+ N' MIN([ID]) AS [MinID], ' + @LineFeed
+ N' MAX([ID]) AS [MaxID] ' + @LineFeed
+ N' FROM ' + @OutputSchemaName + '.' + @OutputTableName + '' + @LineFeed
+ N' GROUP BY [ServerName], ' + @LineFeed
+ N' [session_id], ' + @LineFeed
+ N' [database_name], ' + @LineFeed
+ N' [request_time], ' + @LineFeed
+ N' [start_time], ' + @LineFeed
+ N' [sql_handle] ' + @LineFeed
+ N') ' + @LineFeed
+ N'SELECT ' + @LineFeed
+ N' [ID], ' + @LineFeed
+ N' [ServerName], ' + @LineFeed
+ N' [CheckDate], ' + @LineFeed
+ N' [elapsed_time], ' + @LineFeed
+ N' [session_id], ' + @LineFeed
+ N' [database_name], ' + @LineFeed
+ N' [query_text_snippet], ' + @LineFeed
+ N' [query_plan], ' + @LineFeed
+ N' [live_query_plan], ' + @LineFeed
+ N' [query_cost], ' + @LineFeed
+ N' [status], ' + @LineFeed
+ N' [wait_info], ' + @LineFeed
+ N' [top_session_waits], ' + @LineFeed
+ N' [blocking_session_id], ' + @LineFeed
+ N' [open_transaction_count], ' + @LineFeed
+ N' [is_implicit_transaction], ' + @LineFeed
+ N' [nt_domain], ' + @LineFeed
+ N' [host_name], ' + @LineFeed
+ N' [login_name], ' + @LineFeed
+ N' [nt_user_name], ' + @LineFeed
+ N' [program_name], ' + @LineFeed
+ N' [fix_parameter_sniffing], ' + @LineFeed
+ N' [client_interface_name], ' + @LineFeed
+ N' [login_time], ' + @LineFeed
+ N' [start_time], ' + @LineFeed
+ N' [request_time], ' + @LineFeed
+ N' [request_cpu_time], ' + @LineFeed
+ N' [degree_of_parallelism], ' + @LineFeed
+ N' [request_logical_reads], ' + @LineFeed
+ N' [Logical_Reads_MB], ' + @LineFeed
+ N' [request_writes], ' + @LineFeed
+ N' [Logical_Writes_MB], ' + @LineFeed
+ N' [request_physical_reads], ' + @LineFeed
+ N' [Physical_reads_MB], ' + @LineFeed
+ N' [session_cpu], ' + @LineFeed
+ N' [session_logical_reads], ' + @LineFeed
+ N' [session_logical_reads_MB], ' + @LineFeed
+ N' [session_physical_reads], ' + @LineFeed
+ N' [session_physical_reads_MB], ' + @LineFeed
+ N' [session_writes], ' + @LineFeed
+ N' [session_writes_MB], ' + @LineFeed
+ N' [tempdb_allocations_mb], ' + @LineFeed
+ N' [memory_usage], ' + @LineFeed
+ N' [estimated_completion_time], ' + @LineFeed
+ N' [percent_complete], ' + @LineFeed
+ N' [deadlock_priority], ' + @LineFeed
+ N' [transaction_isolation_level], ' + @LineFeed
+ N' [last_dop], ' + @LineFeed
+ N' [min_dop], ' + @LineFeed
+ N' [max_dop], ' + @LineFeed
+ N' [last_grant_kb], ' + @LineFeed
+ N' [min_grant_kb], ' + @LineFeed
+ N' [max_grant_kb], ' + @LineFeed
+ N' [last_used_grant_kb], ' + @LineFeed
+ N' [min_used_grant_kb], ' + @LineFeed
+ N' [max_used_grant_kb], ' + @LineFeed
+ N' [last_ideal_grant_kb], ' + @LineFeed
+ N' [min_ideal_grant_kb], ' + @LineFeed
+ N' [max_ideal_grant_kb], ' + @LineFeed
+ N' [last_reserved_threads], ' + @LineFeed
+ N' [min_reserved_threads], ' + @LineFeed
+ N' [max_reserved_threads], ' + @LineFeed
+ N' [last_used_threads], ' + @LineFeed
+ N' [min_used_threads], ' + @LineFeed
+ N' [max_used_threads], ' + @LineFeed
+ N' [grant_time], ' + @LineFeed
+ N' [requested_memory_kb], ' + @LineFeed
+ N' [grant_memory_kb], ' + @LineFeed
+ N' [is_request_granted], ' + @LineFeed
+ N' [required_memory_kb], ' + @LineFeed
+ N' [query_memory_grant_used_memory_kb], ' + @LineFeed
+ N' [ideal_memory_kb], ' + @LineFeed
+ N' [is_small], ' + @LineFeed
+ N' [timeout_sec], ' + @LineFeed
+ N' [resource_semaphore_id], ' + @LineFeed
+ N' [wait_order], ' + @LineFeed
+ N' [wait_time_ms], ' + @LineFeed
+ N' [next_candidate_for_memory_grant], ' + @LineFeed
+ N' [target_memory_kb], ' + @LineFeed
+ N' [max_target_memory_kb], ' + @LineFeed
+ N' [total_memory_kb], ' + @LineFeed
+ N' [available_memory_kb], ' + @LineFeed
+ N' [granted_memory_kb], ' + @LineFeed
+ N' [query_resource_semaphore_used_memory_kb], ' + @LineFeed
+ N' [grantee_count], ' + @LineFeed
+ N' [waiter_count], ' + @LineFeed
+ N' [timeout_error_count], ' + @LineFeed
+ N' [forced_grant_count], ' + @LineFeed
+ N' [workload_group_name], ' + @LineFeed
+ N' [resource_pool_name], ' + @LineFeed
+ N' [context_info], ' + @LineFeed
+ N' [query_hash], ' + @LineFeed
+ N' [query_plan_hash], ' + @LineFeed
+ N' [sql_handle], ' + @LineFeed
+ N' [plan_handle], ' + @LineFeed
+ N' [statement_start_offset], ' + @LineFeed
+ N' [statement_end_offset] ' + @LineFeed
+ N' FROM ' + @LineFeed
+ N' ( ' + @LineFeed
+ N' SELECT ' + @LineFeed
+ N' [ID], ' + @LineFeed
+ N' [ServerName], ' + @LineFeed
+ N' [CheckDate], ' + @LineFeed
+ N' [elapsed_time], ' + @LineFeed
+ N' [session_id], ' + @LineFeed
+ N' [database_name], ' + @LineFeed
+ N' /* Truncate the query text to aid performance of painting the rows in SSMS */ ' + @LineFeed
+ N' CAST([query_text] AS NVARCHAR(1000)) AS [query_text_snippet], ' + @LineFeed
+ N' [query_plan], ' + @LineFeed
+ N' [live_query_plan], ' + @LineFeed
+ N' [query_cost], ' + @LineFeed
+ N' [status], ' + @LineFeed
+ N' [wait_info], ' + @LineFeed
+ N' [top_session_waits], ' + @LineFeed
+ N' [blocking_session_id], ' + @LineFeed
+ N' [open_transaction_count], ' + @LineFeed
+ N' [is_implicit_transaction], ' + @LineFeed
+ N' [nt_domain], ' + @LineFeed
+ N' [host_name], ' + @LineFeed
+ N' [login_name], ' + @LineFeed
+ N' [nt_user_name], ' + @LineFeed
+ N' [program_name], ' + @LineFeed
+ N' [fix_parameter_sniffing], ' + @LineFeed
+ N' [client_interface_name], ' + @LineFeed
+ N' [login_time], ' + @LineFeed
+ N' [start_time], ' + @LineFeed
+ N' [request_time], ' + @LineFeed
+ N' [request_cpu_time], ' + @LineFeed
+ N' [degree_of_parallelism], ' + @LineFeed
+ N' [request_logical_reads], ' + @LineFeed
+ N' ((CAST([request_logical_reads] AS DECIMAL(38,2))* 8)/ 1024) [Logical_Reads_MB], ' + @LineFeed
+ N' [request_writes], ' + @LineFeed
+ N' ((CAST([request_writes] AS DECIMAL(38,2))* 8)/ 1024) [Logical_Writes_MB], ' + @LineFeed
+ N' [request_physical_reads], ' + @LineFeed
+ N' ((CAST([request_physical_reads] AS DECIMAL(38,2))* 8)/ 1024) [Physical_reads_MB], ' + @LineFeed
+ N' [session_cpu], ' + @LineFeed
+ N' [session_logical_reads], ' + @LineFeed
+ N' ((CAST([session_logical_reads] AS DECIMAL(38,2))* 8)/ 1024) [session_logical_reads_MB], ' + @LineFeed
+ N' [session_physical_reads], ' + @LineFeed
+ N' ((CAST([session_physical_reads] AS DECIMAL(38,2))* 8)/ 1024) [session_physical_reads_MB], ' + @LineFeed
+ N' [session_writes], ' + @LineFeed
+ N' ((CAST([session_writes] AS DECIMAL(38,2))* 8)/ 1024) [session_writes_MB], ' + @LineFeed
+ N' [tempdb_allocations_mb], ' + @LineFeed
+ N' [memory_usage], ' + @LineFeed
+ N' [estimated_completion_time], ' + @LineFeed
+ N' [percent_complete], ' + @LineFeed
+ N' [deadlock_priority], ' + @LineFeed
+ N' [transaction_isolation_level], ' + @LineFeed
+ N' [last_dop], ' + @LineFeed
+ N' [min_dop], ' + @LineFeed
+ N' [max_dop], ' + @LineFeed
+ N' [last_grant_kb], ' + @LineFeed
+ N' [min_grant_kb], ' + @LineFeed
+ N' [max_grant_kb], ' + @LineFeed
+ N' [last_used_grant_kb], ' + @LineFeed
+ N' [min_used_grant_kb], ' + @LineFeed
+ N' [max_used_grant_kb], ' + @LineFeed
+ N' [last_ideal_grant_kb], ' + @LineFeed
+ N' [min_ideal_grant_kb], ' + @LineFeed
+ N' [max_ideal_grant_kb], ' + @LineFeed
+ N' [last_reserved_threads], ' + @LineFeed
+ N' [min_reserved_threads], ' + @LineFeed
+ N' [max_reserved_threads], ' + @LineFeed
+ N' [last_used_threads], ' + @LineFeed
+ N' [min_used_threads], ' + @LineFeed
+ N' [max_used_threads], ' + @LineFeed
+ N' [grant_time], ' + @LineFeed
+ N' [requested_memory_kb], ' + @LineFeed
+ N' [grant_memory_kb], ' + @LineFeed
+ N' [is_request_granted], ' + @LineFeed
+ N' [required_memory_kb], ' + @LineFeed
+ N' [query_memory_grant_used_memory_kb], ' + @LineFeed
+ N' [ideal_memory_kb], ' + @LineFeed
+ N' [is_small], ' + @LineFeed
+ N' [timeout_sec], ' + @LineFeed
+ N' [resource_semaphore_id], ' + @LineFeed
+ N' [wait_order], ' + @LineFeed
+ N' [wait_time_ms], ' + @LineFeed
+ N' [next_candidate_for_memory_grant], ' + @LineFeed
+ N' [target_memory_kb], ' + @LineFeed
+ N' [max_target_memory_kb], ' + @LineFeed
+ N' [total_memory_kb], ' + @LineFeed
+ N' [available_memory_kb], ' + @LineFeed
+ N' [granted_memory_kb], ' + @LineFeed
+ N' [query_resource_semaphore_used_memory_kb], ' + @LineFeed
+ N' [grantee_count], ' + @LineFeed
+ N' [waiter_count], ' + @LineFeed
+ N' [timeout_error_count], ' + @LineFeed
+ N' [forced_grant_count], ' + @LineFeed
+ N' [workload_group_name], ' + @LineFeed
+ N' [resource_pool_name], ' + @LineFeed
+ N' [context_info], ' + @LineFeed
+ N' [query_hash], ' + @LineFeed
+ N' [query_plan_hash], ' + @LineFeed
+ N' [sql_handle], ' + @LineFeed
+ N' [plan_handle], ' + @LineFeed
+ N' [statement_start_offset], ' + @LineFeed
+ N' [statement_end_offset] ' + @LineFeed
+ N' FROM ' + @OutputSchemaName + '.' + @OutputTableName + '' + @LineFeed
+ N' ) AS [BlitzWho] ' + @LineFeed
+ N'INNER JOIN [MaxQueryDuration] ON [BlitzWho].[ID] = [MaxQueryDuration].[MaxID]; ' + @LineFeed
+ N''');'
IF @Debug = 1
BEGIN
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 0, 8000))
PRINT CONVERT(VARCHAR(8000), SUBSTRING(@StringToExecute, 8000, 16000))
END
EXEC(@StringToExecute);
END;
END
IF OBJECT_ID('tempdb..#WhoReadableDBs') IS NOT NULL
DROP TABLE #WhoReadableDBs;
CREATE TABLE #WhoReadableDBs
(
database_id INT
);
IF EXISTS (SELECT * FROM sys.all_objects o WHERE o.name = 'dm_hadr_database_replica_states')
BEGIN
RAISERROR('Checking for Read intent databases to exclude',0,0) WITH NOWAIT;
EXEC('INSERT INTO #WhoReadableDBs (database_id) SELECT DBs.database_id FROM sys.databases DBs INNER JOIN sys.availability_replicas Replicas ON DBs.replica_id = Replicas.replica_id WHERE replica_server_name NOT IN (SELECT DISTINCT primary_replica FROM sys.dm_hadr_availability_group_states States) AND Replicas.secondary_role_allow_connections_desc = ''READ_ONLY'' AND replica_server_name = @@SERVERNAME;');
END
SELECT @BlockingCheck = N'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SET LOCK_TIMEOUT 1000; /* To avoid blocking on live query plans. See Github issue #2907. */
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;
DECLARE @LiveQueryPlans TABLE
(
Session_Id INT NOT NULL,
Query_Plan XML NOT NULL
);
'
IF EXISTS (SELECT * FROM sys.all_columns WHERE object_id = OBJECT_ID('sys.dm_exec_query_statistics_xml') AND name = 'query_plan')
BEGIN
SET @BlockingCheck = @BlockingCheck + N'
INSERT INTO @LiveQueryPlans
SELECT s.session_id, query_plan
FROM sys.dm_exec_sessions AS s
CROSS APPLY sys.dm_exec_query_statistics_xml(s.session_id)
WHERE s.session_id <> @@SPID;';
END
IF @ProductVersionMajor > 9 and @ProductVersionMajor < 11
BEGIN
/* Think of the StringToExecute as starting with this, but we'll set this up later depending on whether we're doing an insert or a select:
SELECT @StringToExecute = N'SELECT GETDATE() AS run_date ,
*/
SET @StringToExecute = N'COALESCE( RIGHT(''00'' + CONVERT(VARCHAR(20), (ABS(r.total_elapsed_time) / 1000) / 86400), 2) + '':'' + CONVERT(VARCHAR(20), (DATEADD(SECOND, (r.total_elapsed_time / 1000), 0) + DATEADD(MILLISECOND, (r.total_elapsed_time % 1000), 0)), 114), RIGHT(''00'' + CONVERT(VARCHAR(20), DATEDIFF(SECOND, s.last_request_start_time, GETDATE()) / 86400), 2) + '':'' + 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 ,
CASE
WHEN s.status <> ''sleeping'' THEN COALESCE(wt.wait_info, RTRIM(blocked.lastwaittype) + '' ('' + CONVERT(VARCHAR(10), blocked.waittime) + '')'' )
ELSE NULL
END 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
WHEN r.blocking_session_id = 0 AND s.session_id = blocked.session_id
THEN blocked.blocking_session_id
WHEN r.blocking_session_id <> 0 AND s.session_id = blocked.blocking_session_id
THEN r.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 ,'
IF @Platform = 'NonAzure'
BEGIN
SET @StringToExecute +=
N'program_name = COALESCE((
SELECT REPLACE(program_name,Substring(program_name,30,34),''"''+j.name+''"'')
FROM msdb.dbo.sysjobs j WHERE Substring(program_name,32,32) = CONVERT(char(32),CAST(j.job_id AS binary(16)),2)
),s.program_name)'
END
ELSE
BEGIN
SET @StringToExecute += N's.program_name'
END
IF @ExpertMode = 1
BEGIN
SET @StringToExecute +=
N',
''DBCC FREEPROCCACHE ('' + CONVERT(NVARCHAR(128), r.plan_handle, 1) + '');'' AS fix_parameter_sniffing,
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.databases WHERE name = DB_NAME(r.database_id) AND is_read_committed_snapshot_on = 1) THEN ''Read Committed Snapshot Isolation''
WHEN s.transaction_isolation_level = 2 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 /* IF @ExpertMode = 1 */
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(MAX(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;
END /* IF @ProductVersionMajor > 9 and @ProductVersionMajor < 11 */
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
WHEN @ProductVersionMajor > 13 THEN 1
ELSE 0
END
IF OBJECT_ID('sys.dm_exec_session_wait_stats') IS NOT NULL
BEGIN
SET @SessionWaits = 1
END
/* Think of the StringToExecute as starting with this, but we'll set this up later depending on whether we're doing an insert or a select:
SELECT @StringToExecute = N'SELECT GETDATE() AS run_date ,
*/
SELECT @StringToExecute = N'COALESCE( RIGHT(''00'' + CONVERT(VARCHAR(20), (ABS(r.total_elapsed_time) / 1000) / 86400), 2) + '':'' + CONVERT(VARCHAR(20), (DATEADD(SECOND, (r.total_elapsed_time / 1000), 0) + DATEADD(MILLISECOND, (r.total_elapsed_time % 1000), 0)), 114), RIGHT(''00'' + CONVERT(VARCHAR(20), DATEDIFF(SECOND, s.last_request_start_time, GETDATE()) / 86400), 2) + '':'' + 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 ,
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 ,
STUFF((SELECT DISTINCT N'', '' + Node.Data.value(''(@Column)[1]'', ''NVARCHAR(4000)'') + N'' {'' + Node.Data.value(''(@ParameterDataType)[1]'', ''NVARCHAR(4000)'') + N''}: '' + Node.Data.value(''(@ParameterCompiledValue)[1]'', ''NVARCHAR(4000)'')
FROM derp.query_plan.nodes(''/*:ShowPlanXML/*:BatchSequence/*:Batch/*:Statements/*:StmtSimple/*:QueryPlan/*:ParameterList/*:ColumnReference'') AS Node(Data)
FOR XML PATH('''')), 1,2,'''')
AS Cached_Parameter_Info,
'
IF @ShowActualParameters = 1
BEGIN
SELECT @StringToExecute = @StringToExecute + N'qs_live.Live_Parameter_Info as Live_Parameter_Info,'
END
SELECT @StringToExecute = @StringToExecute + N'
qmg.query_cost ,
s.status ,
CASE
WHEN s.status <> ''sleeping'' THEN COALESCE(wt.wait_info, RTRIM(blocked.lastwaittype) + '' ('' + CONVERT(VARCHAR(10), blocked.waittime) + '')'' )
ELSE NULL
END 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' NULL AS top_session_waits ,'
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
WHEN r.blocking_session_id = 0 AND s.session_id = blocked.session_id
THEN blocked.blocking_session_id
WHEN r.blocking_session_id <> 0 AND s.session_id = blocked.blocking_session_id
THEN r.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 ,'
IF @Platform = 'NonAzure'
BEGIN
SET @StringToExecute +=
N'program_name = COALESCE((
SELECT REPLACE(program_name,Substring(program_name,30,34),''"''+j.name+''"'')
FROM msdb.dbo.sysjobs j WHERE Substring(program_name,32,32) = CONVERT(char(32),CAST(j.job_id AS binary(16)),2)
),s.program_name)'
END
ELSE
BEGIN
SET @StringToExecute += N's.program_name'
END
IF @ExpertMode = 1 /* We show more columns in expert mode, so the SELECT gets longer */
BEGIN
SET @StringToExecute +=
N', ''DBCC FREEPROCCACHE ('' + CONVERT(NVARCHAR(128), r.plan_handle, 1) + '');'' AS fix_parameter_sniffing,
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.databases WHERE name = DB_NAME(r.database_id) AND is_read_committed_snapshot_on = 1) THEN ''Read Committed Snapshot Isolation''
WHEN s.transaction_isolation_level = 2 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 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,'
ELSE N' NULL AS last_dop,
NULL AS min_dop,
NULL AS max_dop,
NULL AS last_grant_kb,
NULL AS min_grant_kb,
NULL AS max_grant_kb,
NULL AS last_used_grant_kb,
NULL AS min_used_grant_kb,
NULL AS max_used_grant_kb,
NULL AS last_ideal_grant_kb,
NULL AS min_ideal_grant_kb,
NULL AS max_ideal_grant_kb,
NULL AS last_reserved_threads,
NULL AS min_reserved_threads,
NULL AS max_reserved_threads,
NULL AS last_used_threads,
NULL AS min_used_threads,
NULL AS max_used_threads,'
END
SET @StringToExecute +=
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,
r.query_hash, r.query_plan_hash, r.sql_handle, r.plan_handle, r.statement_start_offset, r.statement_end_offset '
END /* IF @ExpertMode = 1 */
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'' (''