Package org.apache.drill.metastore.components.tables

Interface Summary

Interface	Description
Tables	Metastore Tables component implementation which allows to read / write tables metadata.

Class Summary

Class	Description
BasicTablesRequests	Provides handy methods to retrieve Metastore Tables data for analysis.
BasicTablesRequests.RequestMetadata	Request metadata holder that provides request metadata types, filters and columns.
BasicTablesRequests.RequestMetadata.Builder
BasicTablesTransformer	Basic metadata transformer class which can transform given list of TableMetadataUnit into BaseTableMetadata, SegmentMetadata, FileMetadata, RowGroupMetadata, PartitionMetadata or all metadata types returned in one holder (BasicTablesTransformer.MetadataHolder).
BasicTablesTransformer.MetadataHolder
MetastoreTableInfo	Holds metastore table metadata information, including table information, exists status, last modified time and metastore version.
TableMetadataUnit	Class that represents one row in Drill Metastore Tables which is a generic representation of metastore metadata suitable to any metastore table metadata type (table, segment, file, row group, partition).
TableMetadataUnit.Builder
TableMetadataUnit.Schema	Contains schema metadata, including lists of columns which belong to table, segment, file, row group or partition.
TablesMetadataTypeValidator	Implementation of MetadataTypeValidator interface which provides list of supported metadata types for Metastore Tables component.