Package org.apache.drill.metastore.components.tables
package org.apache.drill.metastore.components.tables
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ClassDescriptionProvides handy methods to retrieve Metastore Tables data for analysis.Request metadata holder that provides request metadata types, filters and columns.Basic metadata transformer class which can transform given list of
TableMetadataUnitintoBaseTableMetadata,SegmentMetadata,FileMetadata,RowGroupMetadata,PartitionMetadataor all metadata types returned in one holder (BasicTablesTransformer.MetadataHolder).Holds metastore table metadata information, including table information, exists status, last modified time and metastore version.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).Contains schema metadata, including lists of columns which belong to table, segment, file, row group or partition.Metastore Tables component implementation which allows to read / write tables metadata.Implementation ofMetadataTypeValidatorinterface which provides list of supported metadata types for Metastore Tables component.