Package org.apache.drill.exec.store.parquet

Interface Summary

Interface	Description
DataPageHeaderInfoProvider

Class Summary

Class	Description
AbstractParquetGroupScan
AbstractParquetGroupScan.RowGroupScanFilterer<B extends AbstractParquetGroupScan.RowGroupScanFilterer<B>>	This class is responsible for filtering different metadata levels including row group level.
AbstractParquetRowGroupScan
AbstractParquetScanBatchCreator
AbstractParquetScanBatchCreator.AbstractDrillFileSystemManager	Helper class responsible for creating and managing DrillFileSystem.
BaseParquetMetadataProvider	Implementation of ParquetMetadataProvider which contains base methods for obtaining metadata from parquet statistics.
BaseParquetMetadataProvider.Builder<T extends BaseParquetMetadataProvider.Builder<T>>
ColumnDataReader	Deprecated it is never used.
DataPageHeaderInfoProvider.DataPageHeaderV1InfoProvider
DataPageHeaderInfoProvider.DataPageHeaderV2InfoProvider
FilePushDownFilter
FilterEvaluatorUtils
FilterEvaluatorUtils.FieldReferenceFinder	Search through a LogicalExpression, finding all internal schema path references and returning them in a set.
FooterGatherer
ParquetDirectByteBufferAllocator	ByteBufferAllocator implementation that uses Drill's BufferAllocator to allocate and release ByteBuffer objects. To properly release an allocated DrillBuf, this class keeps track of it's corresponding ByteBuffer that was passed to the Parquet library.
ParquetFormatConfig
ParquetFormatConfig.ParquetFormatConfigBuilder
ParquetFormatPlugin
ParquetGroupScan
ParquetGroupScanStatistics<T extends BaseMetadata & LocationProvider>	Holds common statistics about data in parquet group scan, including information about total row count, columns counts, partition columns.
ParquetReaderConfig	Stores consolidated parquet reading configuration.
ParquetReaderConfig.Builder
ParquetReaderStats
ParquetReaderUtility	Utility class where we can capture common logic between the two parquet readers
ParquetReaderUtility.NanoTimeUtils	Utilities for converting from parquet INT96 binary (impala, hive timestamp) to date time value.
ParquetRecordWriter
ParquetRowGroupScan
ParquetScanBatchCreator
ParquetTableMetadataUtils	Utility class for converting parquet metadata classes to Metastore metadata classes.
ParquetTypeHelper
ParquetWriter
ParquetWriterBatchCreator
RowGroupInfo
RowGroupReadEntry

Enum Summary

Enum	Description
ParquetReaderUtility.DateCorruptionStatus	For most recently created parquet files, we can determine if we have corrupted dates (see DRILL-4203) based on the file metadata.