MapOutputColumn 方法

Establishes a relationship between an output column and a corresponding external metadata column.

此 API 不符合 CLS。 

命名空间：  Microsoft.SqlServer.Dts.Pipeline
程序集：  Microsoft.SqlServer.PipelineHost（在 Microsoft.SqlServer.PipelineHost.dll 中）

语法

声明
<CLSCompliantAttribute(False)> _
Public Overridable Function MapOutputColumn ( _
    iOutputID As Integer, _
    iOutputColumnID As Integer, _
    iExternalMetadataColumnID As Integer, _
    bMatch As Boolean _
) As IDTSExternalMetadataColumn100
用法
Dim instance As PipelineComponent
Dim iOutputID As Integer
Dim iOutputColumnID As Integer
Dim iExternalMetadataColumnID As Integer
Dim bMatch As Boolean
Dim returnValue As IDTSExternalMetadataColumn100

returnValue = instance.MapOutputColumn(iOutputID, _
    iOutputColumnID, iExternalMetadataColumnID, _
    bMatch)

[CLSCompliantAttribute(false)]
public virtual IDTSExternalMetadataColumn100 MapOutputColumn(
    int iOutputID,
    int iOutputColumnID,
    int iExternalMetadataColumnID,
    bool bMatch
)

[CLSCompliantAttribute(false)]
public:
virtual IDTSExternalMetadataColumn100^ MapOutputColumn(
    int iOutputID, 
    int iOutputColumnID, 
    int iExternalMetadataColumnID, 
    bool bMatch
)

[<CLSCompliantAttribute(false)>]
abstract MapOutputColumn : 
        iOutputID:int * 
        iOutputColumnID:int * 
        iExternalMetadataColumnID:int * 
        bMatch:bool -> IDTSExternalMetadataColumn100 
[<CLSCompliantAttribute(false)>]
override MapOutputColumn : 
        iOutputID:int * 
        iOutputColumnID:int * 
        iExternalMetadataColumnID:int * 
        bMatch:bool -> IDTSExternalMetadataColumn100 

public function MapOutputColumn(
    iOutputID : int, 
    iOutputColumnID : int, 
    iExternalMetadataColumnID : int, 
    bMatch : boolean
) : IDTSExternalMetadataColumn100

参数

• iOutputID
  类型：System. . :: . .Int32
  The ID of the IDTSOutput100 object.

• iOutputColumnID
  类型：System. . :: . .Int32
  The ID of the IDTSOutputColumn100 object.

• iExternalMetadataColumnID
  类型：System. . :: . .Int32
  The ID of the IDTSExternalMetadataColumn100 object.

• bMatch
  类型：System. . :: . .Boolean
  Indicates whether the columns match.

返回值

类型：Microsoft.SqlServer.Dts.Pipeline.Wrapper. . :: . .IDTSExternalMetadataColumn100
The IDTSExternalMetadataColumn100 that is mapped to the output column.

注释

This method is called to map an output column to a column in the ExternalMetadataColumnCollection of the output. When you are developing a custom data flow component, you override this method, to ensure that the external columns and the output column match, and that you want to allow the mapping to occur.

For more information about working with external metadata columns, see 实现外部元数据.

请参阅

参考

PipelineComponent 类

Microsoft.SqlServer.Dts.Pipeline 命名空间