MergePublication Класс

Определение

public ref class MergePublication sealed : Microsoft::SqlServer::Replication::Publication

public sealed class MergePublication : Microsoft.SqlServer.Replication.Publication

type MergePublication = class
    inherit Publication

Public NotInheritable Class MergePublication
Inherits Publication

Наследование

Object

ReplicationObject

Publication

MergePublication

Примеры

В следующем примере производится создание публикации слиянием.

// Set the Publisher, publication database, and publication names.
string publisherName = publisherInstance;
string publicationName = "AdvWorksSalesOrdersMerge";
string publicationDbName = "AdventureWorks2012";

ReplicationDatabase publicationDb;
MergePublication publication;

// Create a connection to the Publisher.
ServerConnection conn = new ServerConnection(publisherName);

try
{
    // Connect to the Publisher.
    conn.Connect();

    // Enable the database for merge publication.				
    publicationDb = new ReplicationDatabase(publicationDbName, conn);
    if (publicationDb.LoadProperties())
    {
        if (!publicationDb.EnabledMergePublishing)
        {
            publicationDb.EnabledMergePublishing = true;
        }
    }
    else
    {
        // Do something here if the database does not exist. 
        throw new ApplicationException(String.Format(
            "The {0} database does not exist on {1}.",
            publicationDb, publisherName));
    }

    // Set the required properties for the merge publication.
    publication = new MergePublication();
    publication.ConnectionContext = conn;
    publication.Name = publicationName;
    publication.DatabaseName = publicationDbName;

    // Enable precomputed partitions.
    publication.PartitionGroupsOption = PartitionGroupsOption.True;

    // Specify the Windows account under which the Snapshot Agent job runs.
    // This account will be used for the local connection to the 
    // Distributor and all agent connections that use Windows Authentication.
    publication.SnapshotGenerationAgentProcessSecurity.Login = winLogin;
    publication.SnapshotGenerationAgentProcessSecurity.Password = winPassword;

    // Explicitly set the security mode for the Publisher connection
    // Windows Authentication (the default).
    publication.SnapshotGenerationAgentPublisherSecurity.WindowsAuthentication = true;

    // Enable Subscribers to request snapshot generation and filtering.
    publication.Attributes |= PublicationAttributes.AllowSubscriberInitiatedSnapshot;
    publication.Attributes |= PublicationAttributes.DynamicFilters;

    // Enable pull and push subscriptions.
    publication.Attributes |= PublicationAttributes.AllowPull;
    publication.Attributes |= PublicationAttributes.AllowPush;

    if (!publication.IsExistingObject)
    {
        // Create the merge publication.
        publication.Create();
        
        // Create a Snapshot Agent job for the publication.
        publication.CreateSnapshotAgent();
    }
    else
    {
        throw new ApplicationException(String.Format(
            "The {0} publication already exists.", publicationName));
    }
}

catch (Exception ex)
{
    // Implement custom application error handling here.
    throw new ApplicationException(String.Format(
        "The publication {0} could not be created.", publicationName), ex);
}
finally
{
    conn.Disconnect();
}

' Set the Publisher, publication database, and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publicationDb As ReplicationDatabase
Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Enable the database for merge publication.				
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If Not publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = True
        End If
    Else
        ' Do something here if the database does not exist. 
        Throw New ApplicationException(String.Format( _
         "The {0} database does not exist on {1}.", _
         publicationDb, publisherName))
    End If

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Enable precomputed partitions.
    publication.PartitionGroupsOption = PartitionGroupsOption.True

    ' Specify the Windows account under which the Snapshot Agent job runs.
    ' This account will be used for the local connection to the 
    ' Distributor and all agent connections that use Windows Authentication.
    publication.SnapshotGenerationAgentProcessSecurity.Login = winLogin
    publication.SnapshotGenerationAgentProcessSecurity.Password = winPassword

    ' Explicitly set the security mode for the Publisher connection
    ' Windows Authentication (the default).
    publication.SnapshotGenerationAgentPublisherSecurity.WindowsAuthentication = True

    ' Enable Subscribers to request snapshot generation and filtering.
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowSubscriberInitiatedSnapshot
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.DynamicFilters

    ' Enable pull and push subscriptions
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPull
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPush

    If Not publication.IsExistingObject Then
        ' Create the merge publication.
        publication.Create()

        ' Create a Snapshot Agent job for the publication.
        publication.CreateSnapshotAgent()
    Else
        Throw New ApplicationException(String.Format( _
            "The {0} publication already exists.", publicationName))
    End If
Catch ex As Exception
    ' Implement custom application error handling here.
    Throw New ApplicationException(String.Format( _
        "The publication {0} could not be created.", publicationName), ex)
Finally
    conn.Disconnect()
End Try

В этом примере изменяются свойства публикации слиянием.

// Define the server, database, and publication names
string publisherName = publisherInstance;
string publicationName = "AdvWorksSalesOrdersMerge";
string publicationDbName = "AdventureWorks2012";

MergePublication publication;

// Create a connection to the Publisher.
ServerConnection conn = new ServerConnection(publisherName);

try
{
    // Connect to the Publisher.
    conn.Connect();

    // Set the required properties for the publication.
    publication = new MergePublication();
    publication.ConnectionContext = conn;
    publication.Name = publicationName;
    publication.DatabaseName = publicationDbName;


    // If we can't get the properties for this merge publication, then throw an application exception.
    if (publication.LoadProperties())
    {
        // If DDL replication is currently enabled, disable it.
        if (publication.ReplicateDdl == DdlReplicationOptions.All)
        {
            publication.ReplicateDdl = DdlReplicationOptions.None;
        }
        else
        {
            publication.ReplicateDdl = DdlReplicationOptions.All;
        }
    }
    else
    {
        throw new ApplicationException(String.Format(
            "Settings could not be retrieved for the publication. " +
            "Ensure that the publication {0} exists on {1}.",
            publicationName, publisherName));
    }
}
catch (Exception ex)
{
    // Do error handling here.
    throw new ApplicationException(
        "The publication property could not be changed.", ex);
}
finally
{
    conn.Disconnect();
}

' Define the server, database, and publication names
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' If we can't get the properties for this merge publication, then throw an application exception.
    If publication.LoadProperties() Then
        ' If DDL replication is currently enabled, disable it.
        If publication.ReplicateDdl = DdlReplicationOptions.All Then
            publication.ReplicateDdl = DdlReplicationOptions.None
        Else
            publication.ReplicateDdl = DdlReplicationOptions.All
        End If
    Else
        Throw New ApplicationException(String.Format( _
         "Settings could not be retrieved for the publication. " + _
         "Ensure that the publication {0} exists on {1}.", _
         publicationName, publisherName))
    End If
Catch ex As Exception
    ' Do error handling here.
    Throw New ApplicationException( _
        "The publication property could not be changed.", ex)
Finally
    conn.Disconnect()
End Try

В этом примере удаляется публикация слиянием.

// Define the Publisher, publication database, 
// and publication names.
string publisherName = publisherInstance;
string publicationName = "AdvWorksSalesOrdersMerge";
string publicationDbName = "AdventureWorks2012";

MergePublication publication;
ReplicationDatabase publicationDb;

// Create a connection to the Publisher.
ServerConnection conn = new ServerConnection(publisherName);

try
{
    // Connect to the Publisher.
    conn.Connect();

    // Set the required properties for the merge publication.
    publication = new MergePublication();
    publication.ConnectionContext = conn;
    publication.Name = publicationName;
    publication.DatabaseName = publicationDbName;

    // Delete the publication, if it exists and has no subscriptions.
    if (publication.LoadProperties() && !publication.HasSubscription)
    {
        publication.Remove();
    }
    else
    {
        // Do something here if the publication does not exist
        // or has subscriptions.
        throw new ApplicationException(String.Format(
            "The publication {0} could not be deleted. " +
            "Ensure that the publication exists and that all " +
            "subscriptions have been deleted.",
            publicationName, publisherName));
    }

    // If no other merge publications exists,
    // disable publishing on the database.
    publicationDb = new ReplicationDatabase(publicationDbName, conn);
    if (publicationDb.LoadProperties())
    {
        if (publicationDb.MergePublications.Count == 0 && publicationDb.EnabledMergePublishing)
        {
            publicationDb.EnabledMergePublishing = false;
        }
    }
    else
    {
        // Do something here if the database does not exist.
        throw new ApplicationException(String.Format(
            "The database {0} does not exist on {1}.",
            publicationDbName, publisherName));
    }
}
catch (Exception ex)
{
    // Implement application error handling here.
    throw new ApplicationException(String.Format(
        "The publication {0} could not be deleted.",
        publicationName), ex);
}
finally
{
    conn.Disconnect();
}

' Define the Publisher, publication database, 
' and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publication As MergePublication
Dim publicationDb As ReplicationDatabase

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Delete the publication, if it exists and has no subscriptions.
    If (publication.LoadProperties() And Not publication.HasSubscription) Then
        publication.Remove()
    Else
        ' Do something here if the publication does not exist
        ' or has subscriptions.
        Throw New ApplicationException(String.Format( _
         "The publication {0} could not be deleted. " + _
         "Ensure that the publication exists and that all " + _
         "subscriptions have been deleted.", _
         publicationName, publisherName))
    End If

    ' If no other merge publications exists,
    ' disable publishing on the database.
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If publicationDb.MergePublications.Count = 0 _
        And publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = False
        End If
    Else
        ' Do something here if the database does not exist.
        Throw New ApplicationException(String.Format( _
         "The database {0} does not exist on {1}.", _
         publicationDbName, publisherName))
    End If
Catch ex As Exception
    ' Implement application error handling here.
    Throw New ApplicationException(String.Format( _
     "The publication {0} could not be deleted.", _
     publicationName), ex)
Finally
    conn.Disconnect()
End Try

Комментарии

Потокобезопасность

Все общедоступные статические элементы (Shared в Microsoft Visual Basic) этого типа безопасны для многопоточных операций. Потокобезопасная работа с членами экземпляров типа не гарантируется.

Конструкторы

Свойства

Методы

Применяется к

См. также раздел

• Snapshots for Merge Publications with Parameterized Filters
• Практическое руководство. Просмотр и изменение свойств публикации (программирование RMO)