org.apache.drill.exec.metastore.store.parquet

Interface ParquetTableMetadataProvider

All Superinterfaces:

ParquetMetadataProvider, TableMetadataProvider

All Known Implementing Classes:

MetastoreParquetTableMetadataProvider, ParquetTableMetadataProviderImpl

public interface ParquetTableMetadataProvider
extends ParquetMetadataProvider

Interface for providing table, partition, file etc. metadata for specific parquet table.

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.fs.Path	getSelectionRoot() Returns root table path.
boolean	isUsedMetadataCache() Whether metadata cache files are used for table which belongs to current metadata provider.

Methods inherited from interface org.apache.drill.exec.metastore.store.parquet.ParquetMetadataProvider

getEntries, getFileSet, getLocations, getRowGroupsMeta, getRowGroupsMetadataMap

Methods inherited from interface org.apache.drill.metastore.metadata.TableMetadataProvider

checkMetadataVersion, getFileMetadata, getFilesForPartition, getFilesMetadataMap, getNonInterestingColumnsMetadata, getPartitionColumns, getPartitionMetadata, getPartitionsMetadata, getSegmentsMetadataMap, getTableMetadata

Method Detail

isUsedMetadataCache

boolean isUsedMetadataCache()

Whether metadata cache files are used for table which belongs to current metadata provider.

Returns:

true if metadata cache files are used

getSelectionRoot

org.apache.hadoop.fs.Path getSelectionRoot()

Returns root table path.

Returns:

root path of the table