org.apache.drill.exec.physical.impl.join

Class HashJoinBatch

java.lang.Object

org.apache.drill.exec.record.AbstractRecordBatch<T>

org.apache.drill.exec.record.AbstractBinaryRecordBatch<HashJoinPOP>

org.apache.drill.exec.physical.impl.join.HashJoinBatch

All Implemented Interfaces:

AutoCloseable, Iterable<VectorWrapper<?>>, CloseableRecordBatch, RecordBatch, VectorAccessible

public class HashJoinBatch
extends AbstractBinaryRecordBatch<HashJoinPOP>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HashJoinBatch.Metric

Nested classes/interfaces inherited from class org.apache.drill.exec.record.AbstractRecordBatch

AbstractRecordBatch.BatchState

Nested classes/interfaces inherited from interface org.apache.drill.exec.record.RecordBatch

RecordBatch.IterOutcome

Field Summary

Fields

Modifier and Type	Field and Description
static long	ALLOCATOR_INITIAL_RESERVATION
static long	ALLOCATOR_MAX_RESERVATION

Fields inherited from class org.apache.drill.exec.record.AbstractBinaryRecordBatch

left, leftUpstream, right, rightUpstream

Fields inherited from class org.apache.drill.exec.record.AbstractRecordBatch

container, context, oContext, popConfig, state, stats, unionTypeEnabled

Fields inherited from interface org.apache.drill.exec.record.RecordBatch

MAX_BATCH_SIZE

Constructor Summary

Constructors

Constructor and Description
HashJoinBatch(HashJoinPOP popConfig, FragmentContext context, RecordBatch left, RecordBatch right)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	buildSchema()
void	close()
void	executeBuildPhase()
int	getRecordCount() Gets the number of records that are within this record.
RecordBatch.IterOutcome	innerNext()
void	killIncoming(boolean sendUpstream)
HashJoinProbe	setupHashJoinProbe()
void	setupHashTable()

Methods inherited from class org.apache.drill.exec.record.AbstractBinaryRecordBatch

prefetchFirstBatchFromBothSides

Methods inherited from class org.apache.drill.exec.record.AbstractRecordBatch

getContext, getOutgoingContainer, getPopConfig, getSchema, getSelectionVector2, getSelectionVector4, getValueAccessorById, getValueVectorId, getWritableBatch, iterator, kill, next, next, next

Methods inherited from class java.lang.Object

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

Field Detail

ALLOCATOR_INITIAL_RESERVATION

public static final long ALLOCATOR_INITIAL_RESERVATION

See Also:

Constant Field Values

ALLOCATOR_MAX_RESERVATION

public static final long ALLOCATOR_MAX_RESERVATION

See Also:

Constant Field Values

Constructor Detail

HashJoinBatch

public HashJoinBatch(HashJoinPOP popConfig,
             FragmentContext context,
             RecordBatch left,
             RecordBatch right)
              throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Detail

getRecordCount

public int getRecordCount()

Description copied from interface: RecordBatch

Gets the number of records that are within this record.

Returns:

number of records

buildSchema

protected void buildSchema()
                    throws SchemaChangeException

Overrides:

buildSchema in class AbstractRecordBatch<HashJoinPOP>

Throws:

SchemaChangeException

innerNext

public RecordBatch.IterOutcome innerNext()

Specified by:

innerNext in class AbstractRecordBatch<HashJoinPOP>

setupHashTable

public void setupHashTable()
                    throws IOException,
                           SchemaChangeException,
                           ClassTransformationException

Throws:

IOException

SchemaChangeException

ClassTransformationException

executeBuildPhase

public void executeBuildPhase()
                       throws SchemaChangeException,
                              ClassTransformationException,
                              IOException

Throws:

SchemaChangeException

ClassTransformationException

IOException

setupHashJoinProbe

public HashJoinProbe setupHashJoinProbe()
                                 throws ClassTransformationException,
                                        IOException

Throws:

ClassTransformationException

IOException

killIncoming

public void killIncoming(boolean sendUpstream)

Specified by:

killIncoming in class AbstractRecordBatch<HashJoinPOP>

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordBatch<HashJoinPOP>