DataFlow.KeepColumns Method

Definition

Namespace:: Microsoft.DataPrep.Common

Assembly:: Microsoft.DataPrep.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Overloads

KeepColumns(ColumnsSelector)	Keeps the specified columns and drops all others.
KeepColumns(String)	Keeps the specified columns and drops all others.
KeepColumns(String[])	Keeps the specified columns and drops all others.

KeepColumns(ColumnsSelector)

Keeps the specified columns and drops all others.

public:
 Microsoft::DataPrep::Common::DataFlow ^ KeepColumns(Microsoft::DPrep::Engine::PropertiesSystem::ColumnsSelector ^ columns);

public Microsoft.DataPrep.Common.DataFlow KeepColumns(Microsoft.DPrep.Engine.PropertiesSystem.ColumnsSelector columns);

member this.KeepColumns : Microsoft.DPrep.Engine.PropertiesSystem.ColumnsSelector -> Microsoft.DataPrep.Common.DataFlow

Public Function KeepColumns (columns As ColumnsSelector) As DataFlow

Parameters

columns: Microsoft.DPrep.Engine.PropertiesSystem.ColumnsSelector

The source columns.

Returns

DataFlow

Applies to

KeepColumns(String)

Keeps the specified columns and drops all others.

public:
 Microsoft::DataPrep::Common::DataFlow ^ KeepColumns(System::String ^ columnName);

public Microsoft.DataPrep.Common.DataFlow KeepColumns(string columnName);

member this.KeepColumns : string -> Microsoft.DataPrep.Common.DataFlow

Public Function KeepColumns (columnName As String) As DataFlow

Parameters

columnName: String

The source columns.

Returns

DataFlow

Applies to

KeepColumns(String[])

Keeps the specified columns and drops all others.

public:
 Microsoft::DataPrep::Common::DataFlow ^ KeepColumns(cli::array <System::String ^> ^ columnNames);

public Microsoft.DataPrep.Common.DataFlow KeepColumns(string[] columnNames);

member this.KeepColumns : string[] -> Microsoft.DataPrep.Common.DataFlow

Public Function KeepColumns (columnNames As String()) As DataFlow

Parameters

columnNames: String[]

The source columns.

Returns

DataFlow

Applies to