org.apache.drill.exec.record

Class AbstractBinaryRecordBatch<T extends PhysicalOperator>

java.lang.Object

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

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

All Implemented Interfaces:

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

Direct Known Subclasses:

HashJoinBatch, NestedLoopJoinBatch, UnionAllRecordBatch

public abstract class AbstractBinaryRecordBatch<T extends PhysicalOperator>
extends AbstractRecordBatch<T>

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

Modifier and Type	Field and Description
protected RecordBatch	left
protected RecordBatch.IterOutcome	leftUpstream
protected RecordBatch	right
protected RecordBatch.IterOutcome	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

Modifier	Constructor and Description
protected	AbstractBinaryRecordBatch(T popConfig, FragmentContext context, boolean buildSchema, RecordBatch left, RecordBatch right)
protected	AbstractBinaryRecordBatch(T popConfig, FragmentContext context, RecordBatch left, RecordBatch right)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	prefetchFirstBatchFromBothSides() Prefetch first batch from both inputs.

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

buildSchema, close, getContext, getOutgoingContainer, getPopConfig, getSchema, getSelectionVector2, getSelectionVector4, getValueAccessorById, getValueVectorId, getWritableBatch, innerNext, iterator, kill, killIncoming, next, next, next

Methods inherited from class java.lang.Object

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

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

getRecordCount

Field Detail

left

protected final RecordBatch left

right

protected final RecordBatch right

leftUpstream

protected RecordBatch.IterOutcome leftUpstream

rightUpstream

protected RecordBatch.IterOutcome rightUpstream

Constructor Detail

AbstractBinaryRecordBatch

protected AbstractBinaryRecordBatch(T popConfig,
                         FragmentContext context,
                         RecordBatch left,
                         RecordBatch right)
                             throws OutOfMemoryException

Throws:

OutOfMemoryException

AbstractBinaryRecordBatch

protected AbstractBinaryRecordBatch(T popConfig,
                         FragmentContext context,
                         boolean buildSchema,
                         RecordBatch left,
                         RecordBatch right)
                             throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Detail

prefetchFirstBatchFromBothSides

protected boolean prefetchFirstBatchFromBothSides()

Prefetch first batch from both inputs.

Returns:

true if caller should continue processing false if caller should stop and exit from processing.