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 org.apache.flink.table.data.binary.BinaryRowData	bufferedKey
protected org.apache.flink.table.data.binary.BinaryRowData	bufferedRow
protected RecordComparator	keyComparator
protected ResettableExternalBuffer	matchBuffer
protected org.apache.flink.table.data.binary.BinaryRowData	matchKey
protected org.apache.flink.table.data.binary.BinaryRowData	probeKey

构造器概要

构造器

构造器和说明

SortMergeJoinIterator(BinaryRowDataSerializer probeSerializer, BinaryRowDataSerializer bufferedSerializer, Projection<org.apache.flink.table.data.RowData,org.apache.flink.table.data.binary.BinaryRowData> probeProjection, Projection<org.apache.flink.table.data.RowData,org.apache.flink.table.data.binary.BinaryRowData> bufferedProjection, RecordComparator keyComparator, org.apache.flink.util.MutableObjectIterator<org.apache.flink.table.data.RowData> probeIterator, org.apache.flink.util.MutableObjectIterator<org.apache.flink.table.data.binary.BinaryRowData> 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()
org.apache.flink.table.data.binary.BinaryRowData	getMatchKey()
org.apache.flink.table.data.RowData	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 org.apache.flink.table.data.binary.BinaryRowData probeKey

bufferedRow

protected org.apache.flink.table.data.binary.BinaryRowData bufferedRow

bufferedKey

protected org.apache.flink.table.data.binary.BinaryRowData bufferedKey

matchKey

protected org.apache.flink.table.data.binary.BinaryRowData matchKey

matchBuffer

protected ResettableExternalBuffer matchBuffer

构造器详细资料

SortMergeJoinIterator

public SortMergeJoinIterator(BinaryRowDataSerializer probeSerializer,
                             BinaryRowDataSerializer bufferedSerializer,
                             Projection<org.apache.flink.table.data.RowData,org.apache.flink.table.data.binary.BinaryRowData> probeProjection,
                             Projection<org.apache.flink.table.data.RowData,org.apache.flink.table.data.binary.BinaryRowData> bufferedProjection,
                             RecordComparator keyComparator,
                             org.apache.flink.util.MutableObjectIterator<org.apache.flink.table.data.RowData> probeIterator,
                             org.apache.flink.util.MutableObjectIterator<org.apache.flink.table.data.binary.BinaryRowData> 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 org.apache.flink.table.data.RowData getProbeRow()

getMatchKey

public org.apache.flink.table.data.binary.BinaryRowData 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