Metodo Server.EnumLocks

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

Spazio dei nomi  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
Public Function EnumLocks As DataTable
'Utilizzo
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

Valore restituito

Tipo: 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.

Osservazioni

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.

Esempi

C#

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]
   }
}

Vedere anche

Riferimento

Server Classe

Overload EnumLocks

Spazio dei nomi Microsoft.SqlServer.Management.Smo

Altre risorse

Chiamata di metodi

Gestione dei server

sys.syslockinfo (Transact-SQL)