org.apache.flink.table.runtime.operators.join

类 SortMergeJoinIterator

java.lang.Object

org.apache.flink.table.runtime.operators.join.SortMergeJoinIterator

所有已实现的接口:

Closeable, AutoCloseable

直接已知子类:

SortMergeInnerJoinIterator, SortMergeOneSideOuterJoinIterator

public abstract class SortMergeJoinIterator
extends Object
implements Closeable

Gets probeRow and match rows for inner/left/right join.

字段概要

字段

限定符和类型	字段和说明
protected BinaryRow	bufferedKey
protected BinaryRow	bufferedRow
protected RecordComparator	keyComparator
protected ResettableExternalBuffer	matchBuffer
protected BinaryRow	matchKey
protected BinaryRow	probeKey

构造器概要

构造器

构造器和说明

SortMergeJoinIterator(BinaryRowSerializer probeSerializer, BinaryRowSerializer bufferedSerializer, Projection<BaseRow,BinaryRow> probeProjection, Projection<BaseRow,BinaryRow> bufferedProjection, RecordComparator keyComparator, org.apache.flink.util.MutableObjectIterator<BaseRow> probeIterator, org.apache.flink.util.MutableObjectIterator<BinaryRow> bufferedIterator, ResettableExternalBuffer buffer, boolean[] filterNulls)

方法概要

限定符和类型	方法和说明
protected boolean	advanceNextSuitableBufferedRow()
protected boolean	advanceNextSuitableProbeRow()
protected void	bufferMatchingRows()
void	close()
ResettableExternalBuffer	getMatchBuffer()
BinaryRow	getMatchKey()
BaseRow	getProbeRow()
protected boolean	nextProbe()

从类继承的方法 java.lang.Object

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

字段详细资料

keyComparator

protected final RecordComparator keyComparator

probeKey

protected BinaryRow probeKey

bufferedRow

protected BinaryRow bufferedRow

bufferedKey

protected BinaryRow bufferedKey

matchKey

protected BinaryRow matchKey

matchBuffer

protected ResettableExternalBuffer matchBuffer

构造器详细资料

SortMergeJoinIterator

public SortMergeJoinIterator(BinaryRowSerializer probeSerializer,
                             BinaryRowSerializer bufferedSerializer,
                             Projection<BaseRow,BinaryRow> probeProjection,
                             Projection<BaseRow,BinaryRow> bufferedProjection,
                             RecordComparator keyComparator,
                             org.apache.flink.util.MutableObjectIterator<BaseRow> probeIterator,
                             org.apache.flink.util.MutableObjectIterator<BinaryRow> bufferedIterator,
                             ResettableExternalBuffer buffer,
                             boolean[] filterNulls)
                      throws IOException

抛出:

IOException

方法详细资料

advanceNextSuitableProbeRow

protected boolean advanceNextSuitableProbeRow()
                                       throws IOException

抛出:

IOException

advanceNextSuitableBufferedRow

protected boolean advanceNextSuitableBufferedRow()
                                          throws IOException

抛出:

IOException

nextProbe

protected boolean nextProbe()
                     throws IOException

抛出:

IOException

bufferMatchingRows

protected void bufferMatchingRows()
                           throws IOException

抛出:

IOException

getProbeRow

public BaseRow getProbeRow()

getMatchKey

public BinaryRow getMatchKey()

getMatchBuffer

public ResettableExternalBuffer getMatchBuffer()

close

public void close()

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable