com.facebook.presto.parquet.batchreader.decoders

Class Decoders

java.lang.Object

com.facebook.presto.parquet.batchreader.decoders.Decoders

public class Decoders
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Decoders.FlatDecoders
static class	Decoders.NestedDecoders

Method Summary

Modifier and Type	Method and Description
static DefinitionLevelDecoder	createDefinitionLevelDecoder(ParquetEncoding encoding, int maxLevelValue, int valueCount, ByteBuffer buffer)
static RepetitionLevelDecoder	createRepetitionLevelDecoder(ParquetEncoding encoding, int maxLevelValue, int valueCount, ByteBuffer buffer)
static Decoders.FlatDecoders	readFlatPage(DataPage page, RichColumnDescriptor columnDescriptor, Dictionary dictionary)
static Decoders.NestedDecoders	readNestedPage(DataPage page, RichColumnDescriptor columnDescriptor, Dictionary dictionary)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

readFlatPage

public static Decoders.FlatDecoders readFlatPage(DataPage page,
                                                 RichColumnDescriptor columnDescriptor,
                                                 Dictionary dictionary)

readNestedPage

public static Decoders.NestedDecoders readNestedPage(DataPage page,
                                                     RichColumnDescriptor columnDescriptor,
                                                     Dictionary dictionary)

createRepetitionLevelDecoder

public static final RepetitionLevelDecoder createRepetitionLevelDecoder(ParquetEncoding encoding,
                                                                        int maxLevelValue,
                                                                        int valueCount,
                                                                        ByteBuffer buffer)
                                                                 throws IOException

Throws:

IOException

createDefinitionLevelDecoder

public static final DefinitionLevelDecoder createDefinitionLevelDecoder(ParquetEncoding encoding,
                                                                        int maxLevelValue,
                                                                        int valueCount,
                                                                        ByteBuffer buffer)
                                                                 throws IOException

Throws:

IOException