Examples with FlatDecoders com.facebook.presto.parquet.batchreader.decoders.Decoders.FlatDecoders used on opensource projects

Example 1 with FlatDecoders

use of com.facebook.presto.parquet.batchreader.decoders.Decoders.FlatDecoders in project presto by prestodb.

the class BinaryFlatBatchReader method readNextPage.

protected boolean readNextPage() {
    definitionLevelDecoder = null;
    valuesDecoder = null;
    remainingCountInPage = 0;
    DataPage page = pageReader.readPage();
    if (page == null) {
        return false;
    }
    FlatDecoders flatDecoders = readFlatPage(page, columnDescriptor, dictionary);
    definitionLevelDecoder = flatDecoders.getDefinitionLevelDecoder();
    valuesDecoder = (BinaryValuesDecoder) flatDecoders.getValuesDecoder();
    remainingCountInPage = page.getValueCount();
    return true;
}

Example 2 with FlatDecoders

use of com.facebook.presto.parquet.batchreader.decoders.Decoders.FlatDecoders in project presto by prestodb.

the class Int32FlatBatchReader method readNextPage.

protected boolean readNextPage() {
    definitionLevelDecoder = null;
    valuesDecoder = null;
    remainingCountInPage = 0;
    DataPage page = pageReader.readPage();
    if (page == null) {
        return false;
    }
    FlatDecoders flatDecoders = readFlatPage(page, columnDescriptor, dictionary);
    definitionLevelDecoder = flatDecoders.getDefinitionLevelDecoder();
    valuesDecoder = (Int32ValuesDecoder) flatDecoders.getValuesDecoder();
    remainingCountInPage = page.getValueCount();
    return true;
}