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

Class VectorMapJoinFastMultiKeyHashMap

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

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

All Implemented Interfaces:

MemoryEstimate, VectorMapJoinBytesHashMap, VectorMapJoinBytesHashTable, VectorMapJoinHashMap, VectorMapJoinHashTable

public class VectorMapJoinFastMultiKeyHashMap
extends VectorMapJoinFastBytesHashMap

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashMap

VectorMapJoinFastBytesHashMap.NonMatchedBytesHashMapIterator

Field Summary

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

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

Method Summary

Modifier and Type	Method and Description
long	getEstimatedMemorySize()
void	testPutRow(byte[] currentKey, byte[] currentValue)

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

add, addFullOuterNullKeyValue, createHashMapResult, createNonMatchedIterator, doHashMapMatch, lookup, lookup

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

Constructor Detail

VectorMapJoinFastMultiKeyHashMap

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

Method Detail

testPutRow

public void testPutRow(byte[] currentKey,
                       byte[] currentValue)
                throws HiveException,
                       IOException

Throws:

HiveException

IOException

getEstimatedMemorySize

public long getEstimatedMemorySize()

Specified by:

getEstimatedMemorySize in interface MemoryEstimate

Overrides:

getEstimatedMemorySize in class VectorMapJoinFastBytesHashMap