Package org.apache.drill.metastore.metadata

Interface Summary

Interface	Description
LocationProvider	A metadata which has specific location.
Metadata	Provider of tuple schema, column metadata, and statistics for table, partition, file or row group.
TableMetadata	Metadata which corresponds to the table level.
TableMetadataProvider	Base interface for providing table, partition, file etc.
TableMetadataProviderBuilder	Base interface for builders of TableMetadataProvider.

Class Summary

Class	Description
BaseMetadata	Common provider of tuple schema, column metadata, and statistics for table, partition, file or row group.
BaseMetadata.BaseMetadataBuilder<T extends BaseMetadata.BaseMetadataBuilder<T>>
BaseTableMetadata	Base implementation of TableMetadata interface.
BaseTableMetadata.BaseTableMetadataBuilder
FileMetadata	Metadata which corresponds to the file level of table.
FileMetadata.FileMetadataBuilder
MetadataInfo	Class that specifies metadata type and metadata information which will be used for obtaining specific metadata from metastore.
MetadataInfo.MetadataInfoBuilder
NonInterestingColumnsMetadata	Represents a metadata for the non-interesting columns.
PartitionMetadata	Represents a metadata for the table part, which corresponds to the specific partition key.
PartitionMetadata.PartitionMetadataBuilder
RowGroupMetadata	Metadata which corresponds to the row group level of table.
RowGroupMetadata.RowGroupMetadataBuilder
SegmentMetadata	Metadata which corresponds to the segment level of table.
SegmentMetadata.SegmentMetadataBuilder
TableInfo	General table information.
TableInfo.TableInfoBuilder

Enum Summary

Enum	Description
MetadataType	Enum with possible types of metadata.