org.apache.drill.exec.physical.impl.limit

Class LimitRecordBatch

java.lang.Object

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

org.apache.drill.exec.record.AbstractSingleRecordBatch<Limit>

org.apache.drill.exec.physical.impl.limit.LimitRecordBatch

All Implemented Interfaces:

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

public class LimitRecordBatch
extends AbstractSingleRecordBatch<Limit>

Nested Class Summary

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 inherited from class org.apache.drill.exec.record.AbstractSingleRecordBatch

callBack, incoming, outOfMemory

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
LimitRecordBatch(Limit popConfig, FragmentContext context, RecordBatch incoming)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected RecordBatch.IterOutcome	doWork()
int	getRecordCount() Gets the number of records that are within this record.
SelectionVector2	getSelectionVector2()
RecordBatch.IterOutcome	innerNext()
protected boolean	setupNewSchema()

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

getSchema, handleNullInput, killIncoming

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

buildSchema, getContext, getOutgoingContainer, getPopConfig, 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

Constructor Detail

LimitRecordBatch

public LimitRecordBatch(Limit popConfig,
                FragmentContext context,
                RecordBatch incoming)
                 throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Detail

setupNewSchema

protected boolean setupNewSchema()
                          throws SchemaChangeException

Specified by:

setupNewSchema in class AbstractSingleRecordBatch<Limit>

Throws:

SchemaChangeException

innerNext

public RecordBatch.IterOutcome innerNext()

Overrides:

innerNext in class AbstractSingleRecordBatch<Limit>

getSelectionVector2

public SelectionVector2 getSelectionVector2()

Specified by:

getSelectionVector2 in interface VectorAccessible

Overrides:

getSelectionVector2 in class AbstractRecordBatch<Limit>

doWork

protected RecordBatch.IterOutcome doWork()

Specified by:

doWork in class AbstractSingleRecordBatch<Limit>

getRecordCount

public int getRecordCount()

Description copied from interface: RecordBatch

Gets the number of records that are within this record.

Returns:

number of records

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordBatch<Limit>