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

Class VectorMapJoinFastStringHashSetContainer

java.lang.Object

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

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

All Implemented Interfaces:

MemoryEstimate, VectorMapJoinBytesHashSet, VectorMapJoinBytesHashTable, VectorMapJoinHashSet, VectorMapJoinHashTable

public class VectorMapJoinFastStringHashSetContainer
extends VectorMapJoinFastHashTableContainerBase
implements VectorMapJoinBytesHashSet

Constructor Summary

Constructors

Constructor and Description
VectorMapJoinFastStringHashSetContainer(boolean isFullOuter, int initialCapacity, float loadFactor, int writeBuffersSize, long estimatedKeyCount, TableDesc tableDesc, int numHTs)

Method Summary

Modifier and Type	Method and Description
JoinUtil.JoinResult	contains(byte[] keyBytes, int keyStart, int keyLength, VectorMapJoinHashSetResult hashSetResult)
VectorMapJoinHashSetResult	createHashSetResult()
MatchTracker	createMatchTracker()
VectorMapJoinNonMatchedIterator	createNonMatchedIterator(MatchTracker matchTracker)
long	getEstimatedMemorySize()
long	getHashCode(org.apache.hadoop.io.BytesWritable currentKey)
void	putRow(long hashCode, org.apache.hadoop.io.BytesWritable currentKey, org.apache.hadoop.io.BytesWritable currentValue)
int	size() Get hash table size
int	spillPartitionId()

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

containsLongKey

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

Constructor Detail

VectorMapJoinFastStringHashSetContainer

public VectorMapJoinFastStringHashSetContainer(boolean isFullOuter,
                                               int initialCapacity,
                                               float loadFactor,
                                               int writeBuffersSize,
                                               long estimatedKeyCount,
                                               TableDesc tableDesc,
                                               int numHTs)

Method Detail

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

Specified by:

putRow in class VectorMapJoinFastHashTableContainerBase

Parameters:

hashCode - current HashCode to avoid re-computation

currentKey - The current Key in bytes

currentValue - The current Value in bytes

Throws:

HiveException

IOException

getHashCode

public long getHashCode(org.apache.hadoop.io.BytesWritable currentKey)
                 throws HiveException,
                        IOException

Specified by:

getHashCode in class VectorMapJoinFastHashTableContainerBase

Throws:

HiveException

IOException

getEstimatedMemorySize

public long getEstimatedMemorySize()

Specified by:

getEstimatedMemorySize in interface MemoryEstimate

Specified by:

getEstimatedMemorySize in class VectorMapJoinFastHashTableContainerBase

size

public int size()

Description copied from interface: VectorMapJoinHashTable

Get hash table size

Specified by:

size in interface VectorMapJoinHashTable

Specified by:

size in class VectorMapJoinFastHashTableContainerBase

createMatchTracker

public MatchTracker createMatchTracker()

Specified by:

createMatchTracker in interface VectorMapJoinHashTable

createNonMatchedIterator

public VectorMapJoinNonMatchedIterator createNonMatchedIterator(MatchTracker matchTracker)

Specified by:

createNonMatchedIterator in interface VectorMapJoinHashTable

spillPartitionId

public int spillPartitionId()

Specified by:

spillPartitionId in interface VectorMapJoinHashTable

contains

public JoinUtil.JoinResult contains(byte[] keyBytes,
                                    int keyStart,
                                    int keyLength,
                                    VectorMapJoinHashSetResult hashSetResult)
                             throws IOException

Specified by:

contains in interface VectorMapJoinBytesHashSet

Throws:

IOException

createHashSetResult

public VectorMapJoinHashSetResult createHashSetResult()

Specified by:

createHashSetResult in interface VectorMapJoinHashSet