PrimitiveDataFrameColumn<T>.GetReadOnlyNullBitMapBuffers 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
傳回不可變 ReadOnlyMemory<T> 緩衝區的可列舉值,以 null Apache Arrow 格式表示值
[System.Runtime.CompilerServices.IteratorStateMachine(typeof(Microsoft.Data.Analysis.PrimitiveDataFrameColumn<>+<GetReadOnlyNullBitMapBuffers>d__64))]
public System.Collections.Generic.IEnumerable<ReadOnlyMemory<byte>> GetReadOnlyNullBitMapBuffers();
[System.Runtime.CompilerServices.IteratorStateMachine(typeof(Microsoft.Data.Analysis.PrimitiveDataFrameColumn<>+<GetReadOnlyNullBitMapBuffers>d__89))]
public System.Collections.Generic.IEnumerable<ReadOnlyMemory<byte>> GetReadOnlyNullBitMapBuffers();
[<System.Runtime.CompilerServices.IteratorStateMachine(typeof(Microsoft.Data.Analysis.PrimitiveDataFrameColumn<>+<GetReadOnlyNullBitMapBuffers>d__64))>]
member this.GetReadOnlyNullBitMapBuffers : unit -> seq<ReadOnlyMemory<byte>>
[<System.Runtime.CompilerServices.IteratorStateMachine(typeof(Microsoft.Data.Analysis.PrimitiveDataFrameColumn<>+<GetReadOnlyNullBitMapBuffers>d__89))>]
member this.GetReadOnlyNullBitMapBuffers : unit -> seq<ReadOnlyMemory<byte>>
Public Iterator Function GetReadOnlyNullBitMapBuffers () As IEnumerable(Of ReadOnlyMemory(Of Byte))
傳回
IEnumerableReadOnlyMemory<T>
- 屬性
備註
每個都會 ReadOnlyMemory<T>null 為其對應的資料緩衝區編碼值