Uses of Class
org.apache.parquet.column.ColumnDescriptor

Packages that use ColumnDescriptor

Package	Description
org.apache.parquet.column
org.apache.parquet.column.impl
org.apache.parquet.column.page
org.apache.parquet.column.values.bloomfilter
org.apache.parquet.column.values.factory
org.apache.parquet.io
org.apache.parquet.schema

Uses of ColumnDescriptor in org.apache.parquet.column

Methods in org.apache.parquet.column that return ColumnDescriptor

Modifier and Type	Method and Description
ColumnDescriptor	ColumnReader.getDescriptor()
ColumnDescriptor	UnknownColumnException.getDescriptor()

Methods in org.apache.parquet.column with parameters of type ColumnDescriptor

Modifier and Type	Method and Description
int	ColumnDescriptor.compareTo(ColumnDescriptor o)
boolean	ParquetProperties.getAdaptiveBloomFilterEnabled(ColumnDescriptor column)
int	ParquetProperties.getBloomFilterCandidatesCount(ColumnDescriptor column)
OptionalDouble	ParquetProperties.getBloomFilterFPP(ColumnDescriptor column)
OptionalLong	ParquetProperties.getBloomFilterNDV(ColumnDescriptor column)
ColumnReader	ColumnReadStore.getColumnReader(ColumnDescriptor path)
ColumnWriter	ColumnWriteStore.getColumnWriter(ColumnDescriptor path)
ValuesReader	Encoding.getDictionaryBasedValuesReader(ColumnDescriptor descriptor, ValuesType valuesType, Dictionary dictionary) To read decoded values that require a dictionary
ValuesReader	Encoding.getValuesReader(ColumnDescriptor descriptor, ValuesType valuesType) To read decoded values that don't require a dictionary
Dictionary	Encoding.initDictionary(ColumnDescriptor descriptor, DictionaryPage dictionaryPage) initializes a dictionary from a page
boolean	ParquetProperties.isBloomFilterEnabled(ColumnDescriptor column)
boolean	ParquetProperties.isByteStreamSplitEnabled(ColumnDescriptor column)
boolean	ParquetProperties.isDictionaryEnabled(ColumnDescriptor column)
RunLengthBitPackingHybridEncoder	ParquetProperties.newDefinitionLevelEncoder(ColumnDescriptor path)
ValuesWriter	ParquetProperties.newDefinitionLevelWriter(ColumnDescriptor path)
RunLengthBitPackingHybridEncoder	ParquetProperties.newRepetitionLevelEncoder(ColumnDescriptor path)
ValuesWriter	ParquetProperties.newRepetitionLevelWriter(ColumnDescriptor path)
ValuesWriter	ParquetProperties.newValuesWriter(ColumnDescriptor path)

Constructors in org.apache.parquet.column with parameters of type ColumnDescriptor

Constructor and Description
UnknownColumnException(ColumnDescriptor descriptor)

Uses of ColumnDescriptor in org.apache.parquet.column.impl

Methods in org.apache.parquet.column.impl with parameters of type ColumnDescriptor

Modifier and Type	Method and Description
ColumnReader	ColumnReadStoreImpl.getColumnReader(ColumnDescriptor path)

Constructors in org.apache.parquet.column.impl with parameters of type ColumnDescriptor

Constructor and Description
ColumnReaderImpl(ColumnDescriptor path, PageReader pageReader, PrimitiveConverter converter, VersionParser.ParsedVersion writerVersion) creates a reader for triplets

Uses of ColumnDescriptor in org.apache.parquet.column.page

Methods in org.apache.parquet.column.page with parameters of type ColumnDescriptor

Modifier and Type	Method and Description
PageReader	PageReadStore.getPageReader(ColumnDescriptor descriptor)
PageWriter	PageWriteStore.getPageWriter(ColumnDescriptor path)
DictionaryPage	DictionaryPageReadStore.readDictionaryPage(ColumnDescriptor descriptor) Returns a DictionaryPage for the given column descriptor.

Uses of ColumnDescriptor in org.apache.parquet.column.values.bloomfilter

Methods in org.apache.parquet.column.values.bloomfilter with parameters of type ColumnDescriptor

Modifier and Type	Method and Description
BloomFilterWriter	BloomFilterWriteStore.getBloomFilterWriter(ColumnDescriptor path) Get bloom filter writer of a column

Constructors in org.apache.parquet.column.values.bloomfilter with parameters of type ColumnDescriptor

Constructor and Description
AdaptiveBlockSplitBloomFilter(int maximumBytes, BloomFilter.HashStrategy hashStrategy, double fpp, int numCandidates, ColumnDescriptor column)
AdaptiveBlockSplitBloomFilter(int maximumBytes, int numCandidates, double fpp, ColumnDescriptor column)

Uses of ColumnDescriptor in org.apache.parquet.column.values.factory

Methods in org.apache.parquet.column.values.factory with parameters of type ColumnDescriptor

Modifier and Type	Method and Description
ValuesWriter	DefaultValuesWriterFactory.newValuesWriter(ColumnDescriptor descriptor)
ValuesWriter	DefaultV1ValuesWriterFactory.newValuesWriter(ColumnDescriptor descriptor)
ValuesWriter	DefaultV2ValuesWriterFactory.newValuesWriter(ColumnDescriptor descriptor)
ValuesWriter	ValuesWriterFactory.newValuesWriter(ColumnDescriptor descriptor) Creates a ValuesWriter to write values for the given column.

Uses of ColumnDescriptor in org.apache.parquet.io

Methods in org.apache.parquet.io that return ColumnDescriptor

Modifier and Type	Method and Description
ColumnDescriptor	PrimitiveColumnIO.getColumnDescriptor()

Uses of ColumnDescriptor in org.apache.parquet.schema

Methods in org.apache.parquet.schema that return ColumnDescriptor

Modifier and Type	Method and Description
ColumnDescriptor	MessageType.getColumnDescription(String[] path)

Methods in org.apache.parquet.schema that return types with arguments of type ColumnDescriptor

Modifier and Type	Method and Description
List<ColumnDescriptor>	MessageType.getColumns()