DistributionDatabase.MaxDistributionRetention Properti

Definisi

Ruang nama:

Microsoft.SqlServer.Replication

Rakitan:

Microsoft.SqlServer.Rmo.dll

Mendapatkan atau mengatur periode retensi maksimum, dalam jam, sebelum transaksi dihapus dari database distribusi.

public:
 property int MaxDistributionRetention { int get(); void set(int value); };

public int MaxDistributionRetention { get; set; }

member this.MaxDistributionRetention : int with get, set

Public Property MaxDistributionRetention As Integer

Nilai Properti

Int32

Sebuah nilai Int32.

Contoh

// Set the server and database names
string distributionDbName = "distribution";
string publisherName = publisherInstance;
string publicationDbName = "AdventureWorks2012";

DistributionDatabase distributionDb;
ReplicationServer distributor;
DistributionPublisher publisher;
ReplicationDatabase publicationDb;

// Create a connection to the server using Windows Authentication.
ServerConnection conn = new ServerConnection(publisherName);

try
{
    // Connect to the server acting as the Distributor 
    // and local Publisher.
    conn.Connect();

    // Define the distribution database at the Distributor,
    // but do not create it now.
    distributionDb = new DistributionDatabase(distributionDbName, conn);
    distributionDb.MaxDistributionRetention = 96;
    distributionDb.HistoryRetention = 120;

    // Set the Distributor properties and install the Distributor.
    // This also creates the specified distribution database.
    distributor = new ReplicationServer(conn);
    distributor.InstallDistributor((string)null, distributionDb);

    // Set the Publisher properties and install the Publisher.
    publisher = new DistributionPublisher(publisherName, conn);
    publisher.DistributionDatabase = distributionDb.Name;
    publisher.WorkingDirectory = @"\\" + publisherName + @"\repldata";
    publisher.PublisherSecurity.WindowsAuthentication = true;
    publisher.Create();

    // Enable AdventureWorks2012 as a publication database.
    publicationDb = new ReplicationDatabase(publicationDbName, conn);

    publicationDb.EnabledTransPublishing = true;
    publicationDb.EnabledMergePublishing = true;
}
catch (Exception ex)
{
    // Implement appropriate error handling here.
    throw new ApplicationException("An error occured when installing distribution and publishing.", ex);
}
finally
{
    conn.Disconnect();
}

' Set the server and database names
Dim distributionDbName As String = "distribution"
Dim publisherName As String = publisherInstance
Dim publicationDbName As String = "AdventureWorks2012"

Dim distributionDb As DistributionDatabase
Dim distributor As ReplicationServer
Dim publisher As DistributionPublisher
Dim publicationDb As ReplicationDatabase

' Create a connection to the server using Windows Authentication.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the server acting as the Distributor 
    ' and local Publisher.
    conn.Connect()

    ' Define the distribution database at the Distributor,
    ' but do not create it now.
    distributionDb = New DistributionDatabase(distributionDbName, conn)
    distributionDb.MaxDistributionRetention = 96
    distributionDb.HistoryRetention = 120

    ' Set the Distributor properties and install the Distributor.
    ' This also creates the specified distribution database.
    distributor = New ReplicationServer(conn)
    distributor.InstallDistributor((CType(Nothing, String)), distributionDb)

    ' Set the Publisher properties and install the Publisher.
    publisher = New DistributionPublisher(publisherName, conn)
    publisher.DistributionDatabase = distributionDb.Name
    publisher.WorkingDirectory = "\\" + publisherName + "\repldata"
    publisher.PublisherSecurity.WindowsAuthentication = True
    publisher.Create()

    ' Enable AdventureWorks2012 as a publication database.
    publicationDb = New ReplicationDatabase(publicationDbName, conn)

    publicationDb.EnabledTransPublishing = True
    publicationDb.EnabledMergePublishing = True

Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("An error occured when installing distribution and publishing.", ex)

Finally
    conn.Disconnect()

End Try

Keterangan

Properti MaxDistributionRetention menentukan periode retensi maksimum sebelum transaksi dihapus. Langganan yang belum menerima perintah yang direplikasi yang lebih lama dari periode retensi distribusi maksimum ditandai sebagai tidak aktif.

MaxDistributionRetention Properti hanya dapat diambil oleh anggota db_owner atau replmonitor peran database tetap pada database distribusi, oleh pengguna dalam daftar akses publikasi (PAL) publikasi menggunakan database distribusi, atau oleh pengguna dengan izin SELECT pada tabel sistem MSdistributiondbs dalam database distribusi.

Properti MaxDistributionRetention hanya dapat diatur oleh anggota sysadmin peran server tetap di Distributor.

Mengambil MaxDistributionRetention properti setara dengan menjalankan sp_helpdistributiondb.

MaxDistributionRetention Mengatur properti setara dengan menjalankan sp_adddistributiondb atau sp_changedistributiondb.

Lihat juga

• Cara: Mengonfigurasi Penerbitan dan Distribusi (Pemrograman RMO)
• Cara: Menampilkan dan Memodifikasi Properti Penerbit dan Distributor (Pemrograman RMO)