org.apache.drill.exec.physical.impl.aggregate

Class StreamingAggBatch

java.lang.Object

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

org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch

All Implemented Interfaces:

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

Direct Known Subclasses:

MetadataStreamAggBatch, StatisticsAggBatch

public class StreamingAggBatch
extends AbstractRecordBatch<StreamingAggregate>

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 StreamingAggregator	aggregator
protected RecordBatch	incoming

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

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

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

MAX_BATCH_ROW_COUNT

Constructor Summary

Constructors

Constructor and Description
StreamingAggBatch(StreamingAggregate popConfig, RecordBatch incoming, FragmentContext context)

Method Summary

Modifier and Type	Method and Description
void	addComplexWriter(BaseWriter.ComplexWriter writer)
protected void	addRecordValues(ClassGenerator<StreamingAggregator> cg, LogicalExpression[] valueExprs)
void	buildSchema()
protected void	cancelIncoming()
protected StreamingAggregator	createAggregatorInternal()
void	dump() Perform dump of this batch's state to logs.
protected void	getIndex(ClassGenerator<StreamingAggregator> g)
protected List<NamedExpression>	getKeyExpressions()
VectorContainer	getOutgoingContainer()
int	getRecordCount() Get the number of records.
protected List<NamedExpression>	getValueExpressions()
RecordBatch.IterOutcome	innerNext()
protected void	outputRecordKeys(ClassGenerator<StreamingAggregator> cg, TypedFieldId[] keyOutputIds, LogicalExpression[] keyExprs)
protected void	outputRecordKeysPrev(ClassGenerator<StreamingAggregator> cg, TypedFieldId[] keyOutputIds, LogicalExpression[] keyExprs)
void	setMaxOutputRowCount(int maxOutputRowCount)
protected void	setupIsSame(ClassGenerator<StreamingAggregator> cg, LogicalExpression[] keyExprs)
protected void	setupIsSameApart(ClassGenerator<StreamingAggregator> cg, LogicalExpression[] keyExprs)

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

cancel, checkContinue, close, getContainer, getContext, getPopConfig, getRecordBatchStatsContext, getSchema, getSelectionVector2, getSelectionVector4, getValueAccessorById, getValueVectorId, getWritableBatch, isRecordBatchStatsLoggingEnabled, iterator, next, next, next, schemaChangeException, schemaChangeException

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

aggregator

protected StreamingAggregator aggregator

incoming

protected final RecordBatch incoming

Constructor Detail

StreamingAggBatch

public StreamingAggBatch(StreamingAggregate popConfig,
                         RecordBatch incoming,
                         FragmentContext context)
                  throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Detail

getRecordCount

public int getRecordCount()

Description copied from interface: VectorAccessible

Get the number of records.

Returns:

number of records

getOutgoingContainer

public VectorContainer getOutgoingContainer()

Specified by:

getOutgoingContainer in interface RecordBatch

Overrides:

getOutgoingContainer in class AbstractRecordBatch<StreamingAggregate>

buildSchema

public void buildSchema()

Overrides:

buildSchema in class AbstractRecordBatch<StreamingAggregate>

innerNext

public RecordBatch.IterOutcome innerNext()

Specified by:

innerNext in class AbstractRecordBatch<StreamingAggregate>

addComplexWriter

public void addComplexWriter(BaseWriter.ComplexWriter writer)

createAggregatorInternal

protected StreamingAggregator createAggregatorInternal()

getValueExpressions

protected List<NamedExpression> getValueExpressions()

getKeyExpressions

protected List<NamedExpression> getKeyExpressions()

setupIsSame

protected void setupIsSame(ClassGenerator<StreamingAggregator> cg,
                           LogicalExpression[] keyExprs)

setupIsSameApart

protected void setupIsSameApart(ClassGenerator<StreamingAggregator> cg,
                                LogicalExpression[] keyExprs)

addRecordValues

protected void addRecordValues(ClassGenerator<StreamingAggregator> cg,
                               LogicalExpression[] valueExprs)

outputRecordKeys

protected void outputRecordKeys(ClassGenerator<StreamingAggregator> cg,
                                TypedFieldId[] keyOutputIds,
                                LogicalExpression[] keyExprs)

outputRecordKeysPrev

protected void outputRecordKeysPrev(ClassGenerator<StreamingAggregator> cg,
                                    TypedFieldId[] keyOutputIds,
                                    LogicalExpression[] keyExprs)

getIndex

protected void getIndex(ClassGenerator<StreamingAggregator> g)

cancelIncoming

protected void cancelIncoming()

Specified by:

cancelIncoming in class AbstractRecordBatch<StreamingAggregate>

dump

public void dump()

Description copied from interface: RecordBatch

Perform dump of this batch's state to logs.

setMaxOutputRowCount

public void setMaxOutputRowCount(int maxOutputRowCount)