public static Schema DecodeSchema(ReadOnlyMemory <byte> buffer)
{
int bufferPosition = 0;
int schemaMessageLength = BinaryPrimitives.ReadInt32LittleEndian(buffer.Span.Slice(bufferPosition));
bufferPosition += sizeof(int);
if (schemaMessageLength == MessageSerializer.IpcContinuationToken)
{
// ARROW-6313, if the first 4 bytes are continuation message, read the next 4 for the length
if (buffer.Length <= bufferPosition + sizeof(int))
{
throw new InvalidDataException("Corrupted IPC message. Received a continuation token at the end of the message.");
}
schemaMessageLength = BinaryPrimitives.ReadInt32LittleEndian(buffer.Span.Slice(bufferPosition));
bufferPosition += sizeof(int);
}
ByteBuffer schemaBuffer = ArrowReaderImplementation.CreateByteBuffer(buffer.Slice(bufferPosition));
//DictionaryBatch not supported for now
DictionaryMemo dictionaryMemo = null;
var schema = MessageSerializer.GetSchema(ArrowReaderImplementation.ReadMessage <Flatbuf.Schema>(schemaBuffer), ref dictionaryMemo);
return(schema);
}
internal static Schema DecodeSchema(ByteBuffer schemaBuffer)
{
//DictionaryBatch not supported for now
DictionaryMemo dictionaryMemo = null;
var schema = MessageSerializer.GetSchema(ArrowReaderImplementation.ReadMessage <Flatbuf.Schema>(schemaBuffer), ref dictionaryMemo);
return(schema);
}
internal static Schema DecodeSchema(ByteBuffer schemaBuffer)
{
var schema = MessageSerializer.GetSchema(ArrowReaderImplementation.ReadMessage <Flatbuf.Schema>(schemaBuffer));
return(schema);
}
