TransPublication.RemovePullSubscription(String, String) Метод
Определение
Важно!
Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.
Удаляет регистрацию для подписки по запросу на издателе.
public:
void RemovePullSubscription(System::String ^ subscriber, System::String ^ subscriptionDB);
public void RemovePullSubscription (string subscriber, string subscriptionDB);
member this.RemovePullSubscription : string * string -> unit
Public Sub RemovePullSubscription (subscriber As String, subscriptionDB As String)
Параметры
- subscriber
- String
Значение типа String, представляющее имя подписчика, где существует подписка по запросу.
Примеры
// Define the Publisher, publication, and databases.
string publicationName = "AdvWorksProductTran";
string publisherName = publisherInstance;
string subscriberName = subscriberInstance;
string subscriptionDbName = "AdventureWorks2012Replica";
string publicationDbName = "AdventureWorks2012";
//Create connections to the Publisher and Subscriber.
ServerConnection subscriberConn = new ServerConnection(subscriberName);
ServerConnection publisherConn = new ServerConnection(publisherName);
// Create the objects that we need.
TransPublication publication;
TransPullSubscription subscription;
try
{
// Connect to the Subscriber.
subscriberConn.Connect();
// Define the pull subscription.
subscription = new TransPullSubscription();
subscription.ConnectionContext = subscriberConn;
subscription.PublisherName = publisherName;
subscription.PublicationName = publicationName;
subscription.PublicationDBName = publicationDbName;
subscription.DatabaseName = subscriptionDbName;
// Define the publication.
publication = new TransPublication();
publication.Name = publicationName;
publication.DatabaseName = publicationDbName;
publication.ConnectionContext = publisherConn;
// Delete the pull subscription, if it exists.
if (subscription.IsExistingObject)
{
if (publication.LoadProperties())
{
// Remove the pull subscription registration at the Publisher.
publication.RemovePullSubscription(subscriberName, subscriptionDbName);
}
else
{
// Do something here if the publication does not exist.
throw new ApplicationException(String.Format(
"The publication '{0}' does not exist on {1}.",
publicationName, publisherName));
}
// Delete the pull subscription at the Subscriber.
subscription.Remove();
}
else
{
throw new ApplicationException(String.Format(
"The subscription to {0} does not exist on {1}",
publicationName, subscriberName));
}
}
catch (Exception ex)
{
// Implement the appropriate error handling here.
throw new ApplicationException(String.Format(
"The subscription to {0} could not be deleted.", publicationName), ex);
}
finally
{
subscriberConn.Disconnect();
publisherConn.Disconnect();
}
' Define the Publisher, publication, and databases.
Dim publicationName As String = "AdvWorksProductTran"
Dim publisherName As String = publisherInstance
Dim subscriberName As String = subscriberInstance
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"
'Create connections to the Publisher and Subscriber.
Dim subscriberConn As ServerConnection = New ServerConnection(subscriberName)
Dim publisherConn As ServerConnection = New ServerConnection(publisherName)
' Create the objects that we need.
Dim publication As TransPublication
Dim subscription As TransPullSubscription
Try
' Connect to the Subscriber.
subscriberConn.Connect()
' Define the pull subscription.
subscription = New TransPullSubscription()
subscription.ConnectionContext = subscriberConn
subscription.PublisherName = publisherName
subscription.PublicationName = publicationName
subscription.PublicationDBName = publicationDbName
subscription.DatabaseName = subscriptionDbName
' Define the publication.
publication = New TransPublication()
publication.Name = publicationName
publication.DatabaseName = publicationDbName
publication.ConnectionContext = publisherConn
' Delete the pull subscription, if it exists.
If subscription.IsExistingObject Then
If publication.LoadProperties() Then
' Remove the pull subscription registration at the Publisher.
publication.RemovePullSubscription(subscriberName, subscriptionDbName)
Else
' Do something here if the publication does not exist.
Throw New ApplicationException(String.Format( _
"The publication '{0}' does not exist on {1}.", _
publicationName, publisherName))
End If
' Delete the pull subscription at the Subscriber.
subscription.Remove()
Else
Throw New ApplicationException(String.Format( _
"The subscription to {0} does not exist on {1}", _
publicationName, subscriberName))
End If
Catch ex As Exception
' Implement the appropriate error handling here.
Throw New ApplicationException(String.Format( _
"The subscription to {0} could not be deleted.", publicationName), ex)
Finally
subscriberConn.Disconnect()
publisherConn.Disconnect()
End Try
Комментарии
Метод RemovePullSubscription может вызываться только членами sysadmin
предопределенных ролей сервера на издателе, членами db_owner
предопределенных ролей базы данных в базе данных публикации или пользователем, создающим удаленную подписку.
Вызов RemovePullSubscription эквивалентен выполнению sp_dropsubscription.