org.apache.drill.exec.physical.impl.xsort

Class ExternalSortBatch

java.lang.Object

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

org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch

All Implemented Interfaces:

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

public class ExternalSortBatch
extends AbstractRecordBatch<ExternalSort>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExternalSortBatch.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 String	INTERRUPTION_AFTER_SETUP
static String	INTERRUPTION_AFTER_SORT
static String	INTERRUPTION_WHILE_SPILLING

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
ExternalSortBatch(ExternalSort popConfig, FragmentContext context, RecordBatch incoming)

Method Summary

Methods

Modifier and Type	Method and Description
void	buildSchema()
void	close()
SingleBatchSorter	createNewSorter(FragmentContext context, VectorAccessible batch)
int	getRecordCount() Gets the number of records that are within this record.
SelectionVector4	getSelectionVector4()
WritableBatch	getWritableBatch() Gets a writable version of this batch.
RecordBatch.IterOutcome	innerNext()
protected void	killIncoming(boolean sendUpstream)
BatchGroup	mergeAndSpill(LinkedList<BatchGroup> batchGroups)

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

getContext, getOutgoingContainer, getPopConfig, getSchema, getSelectionVector2, getValueAccessorById, getValueVectorId, 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

INTERRUPTION_AFTER_SORT

public static final String INTERRUPTION_AFTER_SORT

See Also:

Constant Field Values

INTERRUPTION_AFTER_SETUP

public static final String INTERRUPTION_AFTER_SETUP

See Also:

Constant Field Values

INTERRUPTION_WHILE_SPILLING

public static final String INTERRUPTION_WHILE_SPILLING

See Also:

Constant Field Values

Constructor Detail

ExternalSortBatch

public ExternalSortBatch(ExternalSort popConfig,
                 FragmentContext context,
                 RecordBatch incoming)
                  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

getSelectionVector4

public SelectionVector4 getSelectionVector4()

Specified by:

getSelectionVector4 in interface VectorAccessible

Overrides:

getSelectionVector4 in class AbstractRecordBatch<ExternalSort>

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordBatch<ExternalSort>

buildSchema

public void buildSchema()
                 throws SchemaChangeException

Overrides:

buildSchema in class AbstractRecordBatch<ExternalSort>

Throws:

SchemaChangeException

innerNext

public RecordBatch.IterOutcome innerNext()

Specified by:

innerNext in class AbstractRecordBatch<ExternalSort>

mergeAndSpill

public BatchGroup mergeAndSpill(LinkedList<BatchGroup> batchGroups)
                         throws SchemaChangeException

Throws:

SchemaChangeException

createNewSorter

public SingleBatchSorter createNewSorter(FragmentContext context,
                                VectorAccessible batch)
                                  throws ClassTransformationException,
                                         IOException,
                                         SchemaChangeException

Throws:

ClassTransformationException

IOException

SchemaChangeException

getWritableBatch

public WritableBatch getWritableBatch()

Description copied from interface: RecordBatch

Gets a writable version of this batch. Takes over ownership of existing buffers.

Specified by:

getWritableBatch in interface RecordBatch

Overrides:

getWritableBatch in class AbstractRecordBatch<ExternalSort>

killIncoming

protected void killIncoming(boolean sendUpstream)

Specified by:

killIncoming in class AbstractRecordBatch<ExternalSort>