Server.SetDefaultInitFields Method (Boolean)

Статья
12/15/2008

Specifies all the properties are fetched when objects are instantiated.

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Синтаксис

'Декларация
Public Sub SetDefaultInitFields ( _
    allFields As Boolean _
)

public void SetDefaultInitFields (
    bool allFields
)

public:
void SetDefaultInitFields (
    bool allFields
)

public void SetDefaultInitFields (
    boolean allFields
)

public function SetDefaultInitFields (
    allFields : boolean
)

Параметры

allFields
A Boolean value that specifies whether all the properties are fetched when objects are instantiated.

If True, all the properties are fetched when objects are instantiated.

If False, all objects are set to default behavior.

Замечания

Изменения текста

SMO optimization allows only the minimum properties to be loaded when an object is created. When uninitialized properties are accessed, SMO makes individual requests to load the information from the instance of SQL Server. You can use this method to adjust which properties are initialized for an object when it is first created to further optimize performance.

Это пространство имен, класс или элемент поддерживаются только платформой Microsoft .NET Framework версии 2.0.

Пример

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Reference the AdventureWorks database.
Dim db As Database
db = srv.Databases("AdventureWorks")
'Assign the Table object type to a System.Type object variable.
Dim tb As Table
Dim typ As Type
tb = New Table
typ = tb.GetType
'Assign the current default initialization fields for the Table object type to a 
'StringCollection object variable.
Dim sc As StringCollection
sc = srv.GetDefaultInitFields(typ)
'Set the default initialization fields for the Table object type to the CreateDate property.
srv.SetDefaultInitFields(typ, "CreateDate")
'Retrieve the Schema, Name, and CreateDate properties for every table in AdventureWorks.
'Note that the improvement in performance can be viewed in SQL Profiler.
For Each tb In db.Tables
    Console.WriteLine(tb.Schema + "." + tb.Name + " " + tb.CreateDate)
Next
'Set the default initialization fields for the Table object type back to the original settings.
srv.SetDefaultInitFields(typ, sc)

Синхронизация потоков

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Платформы

Платформы разработки

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

Целевые платформы

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

См. также

Справочник

Server Class
Server Members
Microsoft.SqlServer.Management.Smo Namespace

Другие ресурсы

How to: Set Default Initialization Fields in Visual Basic .NET
Setting Properties
Calling Methods
Управление серверами

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