com.facebook.presto.hive.orc

Class ProjectionBasedDwrfKeyProvider

java.lang.Object

com.facebook.presto.hive.orc.ProjectionBasedDwrfKeyProvider

All Implemented Interfaces:

DwrfKeyProvider

public class ProjectionBasedDwrfKeyProvider
extends Object
implements DwrfKeyProvider

Builds the node to the intermediate encryption key map based on the requested Hive columns.

Field Summary

Fields inherited from interface com.facebook.presto.orc.DwrfKeyProvider

EMPTY

Constructor Summary

Constructors

Constructor and Description
ProjectionBasedDwrfKeyProvider(Optional<EncryptionInformation> encryptionInformation, List<HiveColumnHandle> columns, boolean useOrcColumnNames, Path path)

Method Summary

Modifier and Type	Method and Description
Map<Integer,io.airlift.slice.Slice>	getIntermediateKeys(List<OrcType> types)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.facebook.presto.orc.DwrfKeyProvider

of

Constructor Detail

ProjectionBasedDwrfKeyProvider

public ProjectionBasedDwrfKeyProvider(Optional<EncryptionInformation> encryptionInformation,
                                      List<HiveColumnHandle> columns,
                                      boolean useOrcColumnNames,
                                      Path path)

Method Detail

getIntermediateKeys

public Map<Integer,io.airlift.slice.Slice> getIntermediateKeys(List<OrcType> types)

Specified by:

getIntermediateKeys in interface DwrfKeyProvider