Artigo
04/01/2012

Método PrefetchObjects (Type, ScriptingOptions)

Realiza a pré-busca de objetos de banco de dados de um tipo especificado com opções de script.

Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)

Sintaxe

'Declaração
Public Sub PrefetchObjects ( _
    objectType As Type, _
    scriptingOptions As ScriptingOptions _
)
'Uso
Dim instance As Database
Dim objectType As Type
Dim scriptingOptions As ScriptingOptions

instance.PrefetchObjects(objectType, _
    scriptingOptions)

public void PrefetchObjects(
    Type objectType,
    ScriptingOptions scriptingOptions
)

public:
void PrefetchObjects(
    Type^ objectType, 
    ScriptingOptions^ scriptingOptions
)

member PrefetchObjects : 
        objectType:Type * 
        scriptingOptions:ScriptingOptions -> unit

public function PrefetchObjects(
    objectType : Type, 
    scriptingOptions : ScriptingOptions
)

Parâmetros

objectType
Tipo: System. . :: . .Type
Um objeto Type que limita o tipo de objeto do terá a pré-busca realizada.

scriptingOptions
Tipo: Microsoft.SqlServer.Management.Smo. . :: . .ScriptingOptions
Um valor do objeto ScriptingOptions que especifica as opções de script usadas para o objeto de banco de dados pré-buscado.

Comentários

This lets collections be fully populated with objects by making one network trip to the instance of SQL Server. Prefetching is an optimization used when the whole collection of objects is required.

This method uses the scripting initialization of fields for prefetching database objects.

Exemplos

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server

'Reference the AdventureWorks2008R2 database.
Dim db As Database
db = srv.Databases("AdventureWorks2008R2")

'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

'Set scripting options.
Dim so As ScriptingOptions
so = New ScriptingOptions
so.AllowSystemObjects = True

'Prefetch all Table type objects, including system objects.
db.PrefetchObjects(typ, so)

PowerShell

$srv = new-Object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = New-Object Microsoft.SqlServer.Management.Smo.Database
$db = $srv.Databases.Item("AdventureWorks2008R2")

$tb = New-Object Microsoft.SqlServer.Management.Smo.Table
$typ = $tb.GetType()

$so = New-Object Microsoft.SqlServer.Management.Smo.ScriptingOptions
$so.AllowSystemObjects = $TRUE

$db.PrefetchObjects($typ, $so)

Write-Host $db.GetTransactionCount()