Examples with LongOutputStreamDwrf com.facebook.presto.orc.stream.LongOutputStreamDwrf used on opensource projects

Example 1 with LongOutputStreamDwrf

use of com.facebook.presto.orc.stream.LongOutputStreamDwrf in project presto by prestodb.

the class TestLongDictionaryProvider method createSliceOutput.

private DynamicSliceOutput createSliceOutput(StreamId streamId, long[] data) {
    LongOutputStreamDwrf outputStream = new LongOutputStreamDwrf(getColumnWriterOptions(), Optional.empty(), true, DICTIONARY_DATA);
    for (long val : data) {
        outputStream.writeLong(val);
    }
    outputStream.close();
    DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1000);
    StreamDataOutput streamDataOutput = outputStream.getStreamDataOutput(streamId.getColumn());
    streamDataOutput.writeData(sliceOutput);
    return sliceOutput;
}

Example 2 with LongOutputStreamDwrf

use of com.facebook.presto.orc.stream.LongOutputStreamDwrf in project presto by prestodb.

the class LongDictionaryColumnWriter method resetDictionary.

@Override
protected void resetDictionary() {
    columnEncoding = null;
    dictionary = new LongDictionaryBuilder(EXPECTED_ENTRIES);
    dictionaryDataStream = new LongOutputStreamDwrf(columnWriterOptions, dwrfEncryptor, true, DICTIONARY_DATA);
    statisticsBuilder = new IntegerStatisticsBuilder();
}