Package org.apache.drill.exec.physical.impl.rangepartitioner

Class RangePartitionRecordBatch

java.lang.Object

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

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

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

org.apache.drill.exec.physical.impl.rangepartitioner.RangePartitionRecordBatch

All Implemented Interfaces:

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

public class RangePartitionRecordBatch
extends AbstractSingleRecordBatch<RangePartitionSender>

Provides the ability to divide up the input rows into a fixed number of separate ranges or 'buckets' based on the values of a set of columns (the range partitioning columns).

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

incoming

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

callBack

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	Description
RangePartitionRecordBatch(RangePartitionSender popConfig, RecordBatch incoming, FragmentContext context)

Method Summary

Modifier and Type	Method	Description
void	close()
protected RecordBatch.IterOutcome	doWork()
void	dump()	Perform dump of this batch's state to logs.
int	getRecordCount()	Get the number of records.
protected boolean	setupNewSchema()	Sets up projection that will transfer all of the columns in batch, and also setup the partition column based on which partition a record falls into

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

getFinalOutcome, getIncoming

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

cancelIncoming, getLastKnownOutcome, handleNullInput, innerNext, setLastKnownOutcome

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

buildSchema, cancel, checkContinue, getContainer, getContext, getOutgoingContainer, 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

Constructor Details

RangePartitionRecordBatch

public RangePartitionRecordBatch(RangePartitionSender popConfig,
 RecordBatch incoming,
 FragmentContext context)
                          throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordBatch<RangePartitionSender>

getRecordCount

public int getRecordCount()

Description copied from interface: VectorAccessible

Get the number of records.

Returns:

number of records

doWork

protected RecordBatch.IterOutcome doWork()

Specified by:

doWork in class AbstractUnaryRecordBatch<RangePartitionSender>

setupNewSchema

protected boolean setupNewSchema()

Sets up projection that will transfer all of the columns in batch, and also setup the partition column based on which partition a record falls into

Specified by:

setupNewSchema in class AbstractUnaryRecordBatch<RangePartitionSender>

Returns:

True if the new schema differs from old schema, False otherwise

Throws:

SchemaChangeException

dump

public void dump()

Description copied from interface: RecordBatch

Perform dump of this batch's state to logs.