PipelineBuffer.DirectRow(Int32) Method

Definition

Namespace:

Microsoft.SqlServer.Dts.Pipeline

Assembly:

Microsoft.SqlServer.PipelineHost.dll

Sends a row from a PipelineBuffer to the specified IDTSOutput100.

public:
 void DirectRow(int outputID);

public void DirectRow (int outputID);

member this.DirectRow : int -> unit

Public Sub DirectRow (outputID As Integer)

Parameters

outputID

Int32

The ID of the IDTSOutput100 where the PipelineBuffer row is sent.

Examples

The following example shows a component that contains two outputs in the same exclusion group. During ProcessInput rows are sent to one or the other of the outputs by using DirectRow method.

public override void ProvideComponentProperties()  
{  
    IDTSInput100 input = ComponentMetaData.InputCollection.New();  
    Input.Name = "DTSSampleInput";  

    IDTSOutput output = ComponentMetaData.OutputCollection.New();  
    output.ExclusionGroup = 1;  
    output.Name = "Output1";  
    output.SynchronousInputID = input.ID;  

    IDTSOutput output = ComponentMetaData.OutputCollection.New();  
    output.ExclusionGroup = 1;  
    output.Name = "Output2";  
    output.SynchronousInputID = input.ID;  
}  
public override void ProcessInput(int inputID, PipelineBuffer buffer)  
{  
    IDTSInput100 input = ComponentMetaData.InputCollection.GetObjectByID(inputID);  

    IDTSOutput100 output1 = ComponentMetaData.OutputCollection[0];  
    IDTSOutput100 output2 = ComponentMetaData.OutputCollection[1];  

    while( buffer.NextRow())  
    {  
        // TODO: Insert if/then block here.  
        // If criteria is met, direct the buffer row to output1.  
        buffer.DirectRow(output1.ID);  
        // Otherwise, direct the row to output2.  
         buffer.DirectRow(output2.ID);  
    }  
}  

Public Overrides Sub ProvideComponentProperties()   
 Dim input As IDTSInput100 = ComponentMetaData.InputCollection.New   
 Input.Name = "DTSSampleInput"   
 Dim output As IDTSOutput = ComponentMetaData.OutputCollection.New   
 output.ExclusionGroup = 1   
 output.Name = "Output1"   
 output.SynchronousInputID = input.ID   
 Dim output As IDTSOutput = ComponentMetaData.OutputCollection.New   
 output.ExclusionGroup = 1   
 output.Name = "Output2"   
 output.SynchronousInputID = input.ID   
End Sub   

Public  Overrides Sub ProcessInput(ByVal inputID As Integer, ByVal buffer As PipelineBuffer)   
 Dim input As IDTSInput100 = ComponentMetaData.InputCollection.GetObjectByID(inputID)   
 Dim output1 As IDTSOutput100 = ComponentMetaData.OutputCollection(0)   
 Dim output2 As IDTSOutput100 = ComponentMetaData.OutputCollection(1)   
While buffer.NextRow   
  ' TODO: Insert if/then block here.  
  ' If criteria is met, direct the buffer row to output1.  
   buffer.DirectRow(output1.ID)   
  ' Otherwise, direct the row to output2.  
   buffer.DirectRow(output2.ID)   
 End While   
End Sub  

Remarks

The DirectRow method is called by components that contain multiple outputs in the same ExclusionGroup. It is used to direct a PipelineBuffer row to the specified output—a specific output in the component. This method can be used for error and non-error outputs, however, the DirectErrorRow method should be used to send rows to an error output.

If a component that has two synchronous outputs in the same exclusion group advances a buffer to the next row using the NextRow method without directing the row to a specific output, the row is sent to both outputs.