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

Class VectorMapJoinFastLongHashSet

java.lang.Object

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

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

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

All Implemented Interfaces:

MemoryEstimate, VectorMapJoinHashSet, VectorMapJoinHashTable, VectorMapJoinLongHashSet, VectorMapJoinLongHashTable

public class VectorMapJoinFastLongHashSet
extends VectorMapJoinFastLongHashTable
implements VectorMapJoinLongHashSet

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	LOG

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

slotPairs

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
VectorMapJoinFastLongHashSet(boolean isFullOuter, boolean minMaxEnabled, VectorMapJoinDesc.HashTableKeyType hashTableKeyType, int initialCapacity, float loadFactor, int writeBuffersSize, long estimatedKeyCount, TableDesc tableDesc)

Method Summary

Modifier and Type	Method and Description
void	assignSlot(int slot, long key, boolean isNewKey, org.apache.hadoop.io.BytesWritable currentValue)
JoinUtil.JoinResult	contains(long key, VectorMapJoinHashSetResult hashSetResult)
boolean	containsLongKey(long currentKey)
VectorMapJoinHashSetResult	createHashSetResult()
long	getEstimatedMemorySize()
void	putRow(long hashCode, org.apache.hadoop.io.BytesWritable currentKey, org.apache.hadoop.io.BytesWritable currentValue)
void	testPutRow(long currentKey)

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

adaptPutRow, add, containsKey, findReadSlot, max, min, useMinMax

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

checkResize, createMatchTracker, createNonMatchedIterator, 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.VectorMapJoinLongHashTable

max, min, useMinMax

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

createMatchTracker, createNonMatchedIterator, size, spillPartitionId

Field Detail

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

VectorMapJoinFastLongHashSet

public VectorMapJoinFastLongHashSet(boolean isFullOuter,
                                    boolean minMaxEnabled,
                                    VectorMapJoinDesc.HashTableKeyType hashTableKeyType,
                                    int initialCapacity,
                                    float loadFactor,
                                    int writeBuffersSize,
                                    long estimatedKeyCount,
                                    TableDesc tableDesc)

Method Detail

createHashSetResult

public VectorMapJoinHashSetResult createHashSetResult()

Specified by:

createHashSetResult in interface VectorMapJoinHashSet

putRow

public void putRow(long hashCode,
                   org.apache.hadoop.io.BytesWritable currentKey,
                   org.apache.hadoop.io.BytesWritable currentValue)
            throws HiveException,
                   IOException

Specified by:

putRow in interface VectorMapJoinHashTable

Parameters:

hashCode - current HashCode to avoid re-computation

currentKey - The current Key in bytes

currentValue - The current Value in bytes

Throws:

HiveException

IOException

containsLongKey

public boolean containsLongKey(long currentKey)

Specified by:

containsLongKey in interface VectorMapJoinHashTable

Parameters:

currentKey - The key to check for existence.

Returns:

true If HashTable contains the given key.

testPutRow

public void testPutRow(long currentKey)
                throws HiveException,
                       IOException

Throws:

HiveException

IOException

assignSlot

public void assignSlot(int slot,
                       long key,
                       boolean isNewKey,
                       org.apache.hadoop.io.BytesWritable currentValue)

Specified by:

assignSlot in class VectorMapJoinFastLongHashTable

contains

public JoinUtil.JoinResult contains(long key,
                                    VectorMapJoinHashSetResult hashSetResult)

Specified by:

contains in interface VectorMapJoinLongHashSet

getEstimatedMemorySize

public long getEstimatedMemorySize()

Specified by:

getEstimatedMemorySize in interface MemoryEstimate

Overrides:

getEstimatedMemorySize in class VectorMapJoinFastLongHashTable