Friday, December 28, 2012

Post #2

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SELECT D.Name
    ,CASE 
    WHEN GROUPING_ID(D.Name, E.JobTitle) = 0 THEN E.JobTitle
    WHEN GROUPING_ID(D.Name, E.JobTitle) = 1 THEN N'Total: ' + D.Name 
    WHEN GROUPING_ID(D.Name, E.JobTitle) = 3 THEN N'Company Total:'
        ELSE N'Unknown'
    END AS N'Job Title'
    ,COUNT(E.BusinessEntityID) AS N'Employee Count'
FROM HumanResources.Employee E
    INNER JOIN HumanResources.EmployeeDepartmentHistory DH
        ON E.BusinessEntityID = DH.BusinessEntityID
    INNER JOIN HumanResources.Department D
        ON D.DepartmentID = DH.DepartmentID     
WHERE DH.EndDate IS NULL
    AND D.DepartmentID IN (12,14)
GROUP BY ROLLUP(D.Name, E.JobTitle);


USE AdventureWorks2012;
GO
SELECT qp.query_plan FROM sys.dm_exec_procedure_stats ps
    JOIN sys.objects o ON ps.object_id = o.object_id
    JOIN sys.schemas s ON o.schema_id = s.schema_id
    CROSS APPLY sys.dm_exec_query_plan(ps.plan_handle) qp
WHERE ps.database_id = DB_ID()
    AND s.name = 'dbo'
    AND o.name = 'usp_MonsterStoredProcedure';
GO


###########################################################################################
#
#   File Name:    Get-QueryPlan.ps1
#
#   Applies to:   SQL Server 2008
#                 SQL Server 2008 R2
#                 SQL Server 2012
#
#   Purpose:      Used to retrieve an XML query plan from cache.
#
#   Prerequisite: Powershell must be installed.
#                 SQL Server components must be installed.
#
#   Parameters:   [string]$SqlInstance - SQL Server name (Ex: SERVER\INSTANCE)
#                 [string]$PlanHandle - Binary query handle
#
#   Author:       Patrick Keisler
#
#   Version:      1.0.0
#
#   Date:         08/30/2013
#
#   Help:         http://www.patrickkeisler.com/
#
###########################################################################################

#Define input parameters
param ( 
  [Parameter(Mandatory=$true)]
  [ValidateNotNullOrEmpty()]
  [string]
  $SqlInstance
  
  ,[Parameter(Mandatory=$true)]
  [ValidateNotNullOrEmpty()]
  [string]
  $PlanHandle
  )

Write-Host "Script starting."

#Grab the path where the Powershell script was executed from.
$path = Split-Path $MyInvocation.MyCommand.Path

#Build the SQL Server connection objects
$conn = New-Object System.Data.SqlClient.SqlConnection
$builder = New-Object System.Data.SqlClient.SqlConnectionStringBuilder
$cmd = New-Object System.Data.SqlClient.SqlCommand

#Build the TSQL statement & connection string
$SqlCommand = "SELECT query_plan FROM sys.dm_exec_text_query_plan(" + $PlanHandle + ",DEFAULT,DEFAULT);"
$builder.psBase.DataSource = $SqlInstance
$builder.psBase.InitialCatalog = "master"
$builder.psBase.IntegratedSecurity = $true
$builder.psBase.ApplicationName = "Get-QueryPlan"
$builder.psBase.Pooling = $true
$builder.psBase.ConnectTimeout = 15
$conn.ConnectionString = $builder.ConnectionString
$cmd.Connection = $conn
$cmd.CommandText = $SqlCommand

try
{
 if ($conn.State -eq "Closed")
 {
  #Open a connection to SQL Server
  $conn.Open()
 }
 
 #Execute the TSQL statement
 [string]$QueryPlanText = $cmd.ExecuteScalar()

 #Write the output to a file
 $FileName = $path + "\output.sqlplan"
 $stream = New-Object System.IO.StreamWriter($FileName)
 $stream.WriteLine($QueryPlanText)

 if ($stream.BaseStream -ne $null)
 {
  #Close the stream object
  $stream.close()
 }

 if ($conn.State -eq "Open")
 {
  #Close the SQL Server connection
  $conn.Close()
 }
 
 Write-Host "Script completed successfully."
}
catch
{
 #Capture errors if needed
 if ($_.Exception.InnerException)
 {
  $Host.UI.WriteErrorLine("ERROR: " + $_.Exception.InnerException.Message)
  if ($_.Exception.InnerException.InnerException)
  {
   $Host.UI.WriteErrorLine("ERROR: " + $_.Exception.InnerException.InnerException.Message)
  }
 }
 else
 {
  $Host.UI.WriteErrorLine("ERROR: " + $_.Exception.Message)
 }
 
 Write-Host .
 Write-Host "ERROR: Script failed."
}

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