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

Class Summary

Class	Description
ColumnDataReader
FooterGatherer
Metadata
Metadata.ColumnMetadata
Metadata.ColumnMetadata_v1	A struct that contains the metadata for a column in a parquet file
Metadata.ColumnMetadata_v2	A struct that contains the metadata for a column in a parquet file
Metadata.ColumnMetadata_v2.DeSerializer
Metadata.ColumnMetadata_v2.Serializer
Metadata.ColumnMetadata_v3	A struct that contains the metadata for a column in a parquet file
Metadata.ColumnMetadata_v3.DeSerializer
Metadata.ColumnMetadata_v3.Serializer
Metadata.ColumnTypeMetadata_v2
Metadata.ColumnTypeMetadata_v3
Metadata.ParquetFileMetadata
Metadata.ParquetFileMetadata_v1	Struct which contains the metadata for a single parquet file
Metadata.ParquetFileMetadata_v2	Struct which contains the metadata for a single parquet file
Metadata.ParquetFileMetadata_v3	Struct which contains the metadata for a single parquet file
Metadata.ParquetTableMetadata_v1
Metadata.ParquetTableMetadata_v2	Struct which contains the metadata for an entire parquet directory structure
Metadata.ParquetTableMetadata_v3
Metadata.ParquetTableMetadataBase	Basic class for parquet metadata.
Metadata.ParquetTableMetadataDirs
Metadata.RowGroupMetadata
Metadata.RowGroupMetadata_v1	A struct that contains the metadata for a parquet row group
Metadata.RowGroupMetadata_v2	A struct that contains the metadata for a parquet row group
Metadata.RowGroupMetadata_v3	A struct that contains the metadata for a parquet row group
MetadataVersion
MetadataVersion.Constants	Supported metadata versions.
ParquetDirectByteBufferAllocator	ByteBufferAllocator implementation that uses Drill's BufferAllocator to allocate and release ByteBuffer objects. To properly release an allocated ByteBuf, this class keeps track of it's corresponding ByteBuffer that was passed to the Parquet library.
ParquetFilterBuilder	A visitor which visits a materialized logical expression, and build ParquetFilterPredicate If a visitXXX method returns null, that means the corresponding filter branch is not qualified for pushdown.
ParquetFormatConfig
ParquetFormatPlugin
ParquetGroupScan
ParquetGroupScan.RowGroupInfo
ParquetPushDownFilter
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
ParquetRGFilterEvaluator
ParquetRGFilterEvaluator.FieldReferenceFinder	Search through a LogicalExpression, finding all internal schema path references and returning them in a set.
ParquetRowGroupScan
ParquetScanBatchCreator
ParquetTypeHelper
ParquetWriter
ParquetWriterBatchCreator
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.