Exemplo n.º 1
0
            private ArrowBuffer ConcatenateBitmapBuffer(int bufferIndex)
            {
                var builder = new ArrowBuffer.BitmapBuilder(_totalLength);

                foreach (ArrayData arrayData in _arrayDataList)
                {
                    int length = arrayData.Length;
                    ReadOnlySpan <byte> span = arrayData.Buffers[bufferIndex].Span;

                    for (int i = 0; i < length; i++)
                    {
                        builder.Append(span.IsEmpty || BitUtility.GetBit(span, i));
                    }
                }

                return(builder.Build(_allocator));
            }