io.prestosql.operator.index

Class IndexLoader

java.lang.Object

io.prestosql.operator.index.IndexLoader

@ThreadSafe
public class IndexLoader
extends Object

Constructor Summary

Constructors

Constructor and Description
IndexLoader(Set<Integer> lookupSourceInputChannels, List<Integer> keyOutputChannels, OptionalInt keyOutputHashChannel, List<Type> outputTypes, IndexBuildDriverFactoryProvider indexBuildDriverFactoryProvider, int expectedPositions, io.airlift.units.DataSize maxIndexMemorySize, IndexJoinLookupStats stats, PagesIndex.Factory pagesIndexFactory, JoinCompiler joinCompiler)

Method Summary

Modifier and Type	Method and Description
int	getChannelCount()
IndexedData	getIndexedDataForKeys(int position, Page indexPage)
IndexSnapshot	getIndexSnapshot()
List<Type>	getOutputTypes()
void	setContext(TaskContext taskContext)
IndexedData	streamIndexDataForSingleKey(io.prestosql.operator.index.UpdateRequest updateRequest)

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexLoader

public IndexLoader(Set<Integer> lookupSourceInputChannels,
                   List<Integer> keyOutputChannels,
                   OptionalInt keyOutputHashChannel,
                   List<Type> outputTypes,
                   IndexBuildDriverFactoryProvider indexBuildDriverFactoryProvider,
                   int expectedPositions,
                   io.airlift.units.DataSize maxIndexMemorySize,
                   IndexJoinLookupStats stats,
                   PagesIndex.Factory pagesIndexFactory,
                   JoinCompiler joinCompiler)

Method Detail

setContext

public void setContext(TaskContext taskContext)

getChannelCount

public int getChannelCount()

getOutputTypes

public List<Type> getOutputTypes()

getIndexSnapshot

public IndexSnapshot getIndexSnapshot()

getIndexedDataForKeys

public IndexedData getIndexedDataForKeys(int position,
                                         Page indexPage)

streamIndexDataForSingleKey

public IndexedData streamIndexDataForSingleKey(io.prestosql.operator.index.UpdateRequest updateRequest)