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

Class VectorMapJoinOptimizedHashTable

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.mapjoin.optimized.VectorMapJoinOptimizedHashTable

All Implemented Interfaces:

VectorMapJoinHashTable

Direct Known Subclasses:

VectorMapJoinOptimizedHashMap, VectorMapJoinOptimizedHashMultiSet, VectorMapJoinOptimizedHashSet

public abstract class VectorMapJoinOptimizedHashTable
extends Object
implements VectorMapJoinHashTable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VectorMapJoinOptimizedHashTable.SerializedBytes

Field Summary

Fields

Modifier and Type	Field and Description
protected ReusableGetAdaptorDirectAccess	adapatorDirectAccess
protected MapJoinTableContainerDirectAccess	containerDirectAccess
protected MapJoinTableContainer	originalTableContainer

Constructor Summary

Constructors

Constructor and Description
VectorMapJoinOptimizedHashTable(MapJoinTableContainer originalTableContainer, MapJoinTableContainer.ReusableGetAdaptor hashMapRowGetter)

Method Summary

Methods

Modifier and Type	Method and Description
JoinUtil.JoinResult	doLookup(byte[] keyBytes, int keyOffset, int keyLength, BytesBytesMultiHashMap.Result bytesBytesMultiHashMapResult, VectorMapJoinHashTableResult hashTableResult)
void	putRow(org.apache.hadoop.io.BytesWritable currentKey, org.apache.hadoop.io.BytesWritable currentValue)
protected void	putRowInternal(org.apache.hadoop.io.BytesWritable key, org.apache.hadoop.io.BytesWritable value)

Methods inherited from class java.lang.Object

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

Field Detail

originalTableContainer

protected final MapJoinTableContainer originalTableContainer

containerDirectAccess

protected final MapJoinTableContainerDirectAccess containerDirectAccess

adapatorDirectAccess

protected final ReusableGetAdaptorDirectAccess adapatorDirectAccess

Constructor Detail

VectorMapJoinOptimizedHashTable

public VectorMapJoinOptimizedHashTable(MapJoinTableContainer originalTableContainer,
                               MapJoinTableContainer.ReusableGetAdaptor hashMapRowGetter)

Method Detail

putRow

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

Specified by:

putRow in interface VectorMapJoinHashTable

Throws:

SerDeException

HiveException

IOException

putRowInternal

protected void putRowInternal(org.apache.hadoop.io.BytesWritable key,
                  org.apache.hadoop.io.BytesWritable value)
                       throws SerDeException,
                              HiveException,
                              IOException

Throws:

SerDeException

HiveException

IOException

doLookup

public JoinUtil.JoinResult doLookup(byte[] keyBytes,
                           int keyOffset,
                           int keyLength,
                           BytesBytesMultiHashMap.Result bytesBytesMultiHashMapResult,
                           VectorMapJoinHashTableResult hashTableResult)