public static void Write <T>(System.IO.Stream outputStream, IEnumerable <T> values, out Footer footer, SerializationConfiguration serializationConfiguration = null) where T : class
{
var bufferFactory = new OrcCompressedBufferFactory(256 * 1024, CompressionKind.Zlib, CompressionStrategy.Size);
var stripeWriter = new StripeWriter(typeof(T), outputStream, false, 0.8, 18, 6, bufferFactory, 10000, 512 * 1024 * 1024, serializationConfiguration);
stripeWriter.AddRows(values);
stripeWriter.RowAddingCompleted();
footer = stripeWriter.GetFooter();
outputStream.Seek(0, SeekOrigin.Begin);
}
public OrcWriter(Stream outputStream, WriterConfiguration configuration)
{
_outputStream = outputStream;
_bufferFactory = new OrcCompressedBufferFactory(configuration);
_stripeWriter = new StripeWriter(
typeof(T),
outputStream,
configuration.EncodingStrategy == EncodingStrategy.Speed,
configuration.DictionaryKeySizeThreshold,
configuration.DefaultDecimalPrecision,
configuration.DefaultDecimalScale,
_bufferFactory,
configuration.RowIndexStride,
configuration.StripeSize
);
WriteHeader();
}
