Server.EnumLocks 方法

發行項
07/13/2013

Enumerates a list of current locks held on the instance of SQL Server.

命名空間： Microsoft.SqlServer.Management.Smo
組件： Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public Function EnumLocks As DataTable
'用途
Dim instance As Server 
Dim returnValue As DataTable 

returnValue = instance.EnumLocks()

public DataTable EnumLocks()

public:
DataTable^ EnumLocks()

member EnumLocks : unit -> DataTable

public function EnumLocks() : DataTable

傳回值

型別：System.Data.DataTable
A DataTable system object value that contains a list of current locks held by the specified process on the instance of SQL Server. The table describes the different columns of the returned DataTable.

Column	Data type	Description
RequestorSpid	Int32	The SQL Server process ID that uniquely identifies the process requesting the lock.
LockType	String	The type of lock. See req_mode in sys.syslockinfo (Transact-SQL).
Database	String	The name of the database that contains the lock.
Schema	String	The schema of the locked resource.
Table	String	The table that contains the lock.
Index	String	The index that contains the lock.
Status	Int32	The status of the lock. 1 for Grant, 2 for Convert, and 3 for Wait.

備註

Use this method to determine the locks that are currently held on the instance of SQL Server. The information that is returned can help you identify locking problems that might affect performance.

範例

Server srv = new Server("(local)");

DataTable d = srv.EnumLocks();
foreach (DataRow r in d.Rows)
{
   Console.WriteLine("============================================");
   foreach(DataColumn c in d.Columns)
   {
      Console.WriteLine(c.ColumnName + " = " + r[c].ToString());
   }
}

PowerShell

$srv = new-Object Microsoft.SqlServer.Management.Smo.Server("(local)")

$d = $srv.EnumLocks()
foreach ($r in $d.Rows)
{
   Write-Host "============================================"
   Foreach ($c in $d.Columns)
   {
      Write-Host $c.ColumnName "=" $r[$c]
   }
}