Package org.apache.hadoop.hive.ql.io.parquet.vector

Hive Parquet Vectorized Reader related.

See: Description

Interface Summary

Interface	Description
ParquetDataColumnReader	The interface to wrap the underlying Parquet dictionary and non dictionary encoded page reader.
VectorizedColumnReader

Class Summary

Class	Description
BaseVectorizedColumnReader	It's column level Parquet reader which is used to read a batch of records for a column, part of the code is referred from Apache Spark and Apache Parquet.
BaseVectorizedColumnReader.NullIntIterator
BaseVectorizedColumnReader.RLEIntIterator
BaseVectorizedColumnReader.ValuesReaderIntIterator
ParquetDataColumnReaderFactory	Parquet file has self-describing schema which may differ from the user required schema (e.g.
ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader	The default data column reader for existing Parquet page reader which works for both dictionary or non dictionary types, Mirror from dictionary encoding path.
ParquetDataColumnReaderFactory.TypesFromBooleanPageReader	The reader who reads from the underlying boolean value value.
ParquetDataColumnReaderFactory.TypesFromDecimalPageReader	The reader who reads from the underlying decimal value value.
ParquetDataColumnReaderFactory.TypesFromDoublePageReader	The reader who reads from the underlying double value value.
ParquetDataColumnReaderFactory.TypesFromFloatPageReader	The reader who reads from the underlying float value value.
ParquetDataColumnReaderFactory.TypesFromInt32DecimalPageReader	The reader who reads from the underlying decimal value which is stored in an INT32 physical type.
ParquetDataColumnReaderFactory.TypesFromInt32PageReader	The reader who reads from the underlying int32 value value.
ParquetDataColumnReaderFactory.TypesFromInt64DecimalPageReader	The reader who reads from the underlying decimal value which is stored in an INT64 physical type.
ParquetDataColumnReaderFactory.TypesFromInt64PageReader	The reader who reads from the underlying int64 value value.
ParquetDataColumnReaderFactory.TypesFromInt96PageReader	The reader who reads from the underlying Timestamp value value.
ParquetDataColumnReaderFactory.TypesFromStringPageReader	The reader who reads from the underlying UTF8 string.
ParquetDataColumnReaderFactory.TypesFromUInt32PageReader	The reader who reads unsigned int data.
ParquetDataColumnReaderFactory.TypesFromUInt64PageReader	The reader who reads unsigned long data.
ParquetFooterInputFromCache	The Parquet InputFile implementation that allows the reader to read the footer from cache without being aware of the latter.
VectorizedDummyColumnReader	A dummy vectorized parquet reader to support schema evolution.
VectorizedListColumnReader	It's column level Parquet reader which is used to read a batch of records for a list column.
VectorizedMapColumnReader	It's column level Parquet reader which is used to read a batch of records for a map column.
VectorizedParquetRecordReader	This reader is used to read a batch of record from inputsplit, part of the code is referred from Apache Spark and Apache Parquet.
VectorizedPrimitiveColumnReader	It's column level Parquet reader which is used to read a batch of records for a column, part of the code is referred from Apache Spark and Apache Parquet.
VectorizedStructColumnReader

Package org.apache.hadoop.hive.ql.io.parquet.vector Description

Hive Parquet Vectorized Reader related.