DbSyncProvider.UpdateScopeInfoCommand 属性

获取或设置一个 IDbCommand 对象，该对象包含更新对等数据库中的作用域元数据的查询或存储过程。

此属性不符合 CLS。  

命名空间: Microsoft.Synchronization.Data
程序集: Microsoft.Synchronization.Data（在 microsoft.synchronization.data.dll 中）

语法

声明
Public Property UpdateScopeInfoCommand As IDbCommand
用法
Dim instance As DbSyncProvider
Dim value As IDbCommand

value = instance.UpdateScopeInfoCommand

instance.UpdateScopeInfoCommand = value

public IDbCommand UpdateScopeInfoCommand { get; set; }

public:
property IDbCommand^ UpdateScopeInfoCommand {
    IDbCommand^ get ();
    void set (IDbCommand^ value);
}

/** @property */
public IDbCommand get_UpdateScopeInfoCommand ()

/** @property */
public void set_UpdateScopeInfoCommand (IDbCommand value)

public function get UpdateScopeInfoCommand () : IDbCommand

public function set UpdateScopeInfoCommand (value : IDbCommand)

属性值

包含查询或存储过程的 IDbCommand 对象。

备注

此命令更新来自作用域元数据表的信息，例如 Sync Services 所需的同步知识和清除知识。有关如何使用作用域的更多信息，请参见如何配置变更跟踪和同步对等方中的“创建用于存储元数据的跟踪表”。

示例

以下代码示例指定一条更新每个对等数据库的作用域表中元数据的命令。若要在完整示例上下文中查看此代码，请参见如何配置变更跟踪和同步对等方。

SqlCommand updReplicaInfoCmd = new SqlCommand();
updReplicaInfoCmd.CommandType = CommandType.Text;
updReplicaInfoCmd.CommandText = "UPDATE  Sales.ScopeInfo SET " +
                                "scope_sync_knowledge = @" + DbSyncSession.SyncScopeKnowledge + ", " +
                                "scope_tombstone_cleanup_knowledge = @" + DbSyncSession.SyncScopeCleanupKnowledge + " " +
                                "WHERE scope_name = @" + DbSyncSession.SyncScopeName + " AND " +
                                " ( @" + DbSyncSession.SyncCheckConcurrency + " = 0 or scope_timestamp = @" + DbSyncSession.SyncScopeTimestamp + "); " +
                                "SET @" + DbSyncSession.SyncRowCount + " = @@rowcount";
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncScopeKnowledge, SqlDbType.VarBinary, 10000);
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncScopeCleanupKnowledge, SqlDbType.VarBinary, 10000);
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncScopeName, SqlDbType.NVarChar, 100);
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncCheckConcurrency, SqlDbType.Int);
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncScopeTimestamp, SqlDbType.BigInt);
updReplicaInfoCmd.Parameters.Add("@" + DbSyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output;

peerProvider.UpdateScopeInfoCommand = updReplicaInfoCmd;

Dim updReplicaInfoCmd As New SqlCommand()

With updReplicaInfoCmd
    .CommandType = CommandType.Text
    .CommandText = "UPDATE  Sales.ScopeInfo SET " _
                 & "scope_sync_knowledge = @" + DbSyncSession.SyncScopeKnowledge + ", " _
                 & "scope_tombstone_cleanup_knowledge = @" + DbSyncSession.SyncScopeCleanupKnowledge + " " _
                 & "WHERE scope_name = @" + DbSyncSession.SyncScopeName + " AND " _
                 & " ( @" + DbSyncSession.SyncCheckConcurrency + " = 0 or scope_timestamp = @" + DbSyncSession.SyncScopeTimestamp + "); " _
                 & "SET @" + DbSyncSession.SyncRowCount + " = @@rowcount"
    .Parameters.Add("@" + DbSyncSession.SyncScopeKnowledge, SqlDbType.VarBinary, 10000)
    .Parameters.Add("@" + DbSyncSession.SyncScopeCleanupKnowledge, SqlDbType.VarBinary, 10000)
    .Parameters.Add("@" + DbSyncSession.SyncScopeName, SqlDbType.NVarChar, 100)
    .Parameters.Add("@" + DbSyncSession.SyncCheckConcurrency, SqlDbType.Int)
    .Parameters.Add("@" + DbSyncSession.SyncScopeTimestamp, SqlDbType.BigInt)
    .Parameters.Add("@" + DbSyncSession.SyncRowCount, SqlDbType.Int).Direction = ParameterDirection.Output
End With

peerProvider.UpdateScopeInfoCommand = updReplicaInfoCmd

请参阅

参考

DbSyncProvider 类
DbSyncProvider 成员
Microsoft.Synchronization.Data 命名空间