org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast

Class VectorMapJoinFastBytesHashMap

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastHashTable

org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashTable

org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashMap

All Implemented Interfaces:

MemoryEstimate, VectorMapJoinBytesHashMap, VectorMapJoinBytesHashTable, VectorMapJoinHashMap, VectorMapJoinHashTable

Direct Known Subclasses:

VectorMapJoinFastMultiKeyHashMap, VectorMapJoinFastStringHashMap

public abstract class VectorMapJoinFastBytesHashMap
extends VectorMapJoinFastBytesHashTable
implements VectorMapJoinBytesHashMap

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VectorMapJoinFastBytesHashMap.NonMatchedBytesHashMapIterator

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.io.BytesWritable	testValueBytesWritable

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashTable

slots, testKeyBytesWritable, unsafeReadPos, writeBuffers

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastHashTable

estimatedKeyCount, FIRST_SIZE_UP, HIGHEST_INT_POWER_OF_2, isFullOuter, keysAssigned, largestNumberOfSteps, loadFactor, logicalHashBucketCount, logicalHashBucketMask, metricExpands, metricPutConflict, ONE_QUARTER_LIMIT, ONE_SIXTH_LIMIT, resizeThreshold, writeBuffersSize

Constructor Summary

Constructors

Constructor and Description
VectorMapJoinFastBytesHashMap(boolean isFullOuter, int initialCapacity, float loadFactor, int writeBuffersSize, long estimatedKeyCount)

Method Summary

Modifier and Type	Method and Description
void	add(byte[] keyBytes, int keyStart, int keyLength, org.apache.hadoop.io.BytesWritable currentValue, long hashCode)
void	addFullOuterNullKeyValue(org.apache.hadoop.io.BytesWritable currentValue)
VectorMapJoinHashMapResult	createHashMapResult()
VectorMapJoinNonMatchedIterator	createNonMatchedIterator(MatchTracker matchTracker)
protected int	doHashMapMatch(byte[] keyBytes, int keyStart, int keyLength, long hashCode, VectorMapJoinFastBytesHashMapStore.HashMapResult fastHashMapResult)
long	getEstimatedMemorySize()
JoinUtil.JoinResult	lookup(byte[] keyBytes, int keyStart, int keyLength, VectorMapJoinHashMapResult hashMapResult)
JoinUtil.JoinResult	lookup(byte[] keyBytes, int keyStart, int keyLength, VectorMapJoinHashMapResult hashMapResult, MatchTracker matchTracker)

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashTable

containsLongKey, expandAndRehash, putRow

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastHashTable

checkResize, createMatchTracker, size, spillPartitionId, throwExpandError

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashTable

containsLongKey, createMatchTracker, putRow, size, spillPartitionId

Field Detail

testValueBytesWritable

protected org.apache.hadoop.io.BytesWritable testValueBytesWritable

Constructor Detail

VectorMapJoinFastBytesHashMap

public VectorMapJoinFastBytesHashMap(boolean isFullOuter,
                                     int initialCapacity,
                                     float loadFactor,
                                     int writeBuffersSize,
                                     long estimatedKeyCount)

Method Detail

createHashMapResult

public VectorMapJoinHashMapResult createHashMapResult()

Specified by:

createHashMapResult in interface VectorMapJoinHashMap

createNonMatchedIterator

public VectorMapJoinNonMatchedIterator createNonMatchedIterator(MatchTracker matchTracker)

Specified by:

createNonMatchedIterator in interface VectorMapJoinHashTable

Overrides:

createNonMatchedIterator in class VectorMapJoinFastHashTable

add

public void add(byte[] keyBytes,
                int keyStart,
                int keyLength,
                org.apache.hadoop.io.BytesWritable currentValue,
                long hashCode)

Specified by:

add in class VectorMapJoinFastBytesHashTable

lookup

public JoinUtil.JoinResult lookup(byte[] keyBytes,
                                  int keyStart,
                                  int keyLength,
                                  VectorMapJoinHashMapResult hashMapResult)

Specified by:

lookup in interface VectorMapJoinBytesHashMap

lookup

public JoinUtil.JoinResult lookup(byte[] keyBytes,
                                  int keyStart,
                                  int keyLength,
                                  VectorMapJoinHashMapResult hashMapResult,
                                  MatchTracker matchTracker)

Specified by:

lookup in interface VectorMapJoinBytesHashMap

doHashMapMatch

protected final int doHashMapMatch(byte[] keyBytes,
                                   int keyStart,
                                   int keyLength,
                                   long hashCode,
                                   VectorMapJoinFastBytesHashMapStore.HashMapResult fastHashMapResult)

addFullOuterNullKeyValue

public void addFullOuterNullKeyValue(org.apache.hadoop.io.BytesWritable currentValue)

getEstimatedMemorySize

public long getEstimatedMemorySize()

Specified by:

getEstimatedMemorySize in interface MemoryEstimate

Overrides:

getEstimatedMemorySize in class VectorMapJoinFastBytesHashTable