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

类 JoinConditionWithNullFilters

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.java.operators.translation.WrappingFunction<JoinCondition>

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

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, JoinCondition

public class JoinConditionWithNullFilters
extends org.apache.flink.api.java.operators.translation.WrappingFunction<JoinCondition>
implements JoinCondition

Utility to take null filters into consideration when apply join condition.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.api.java.operators.translation.WrappingFunction

wrappedFunction

构造器概要

构造器

构造器和说明
JoinConditionWithNullFilters(JoinCondition backingJoinCondition, boolean[] filterNullKeys, org.apache.flink.streaming.api.operators.KeyContext keyContext)

方法概要

限定符和类型	方法和说明
boolean	apply(org.apache.flink.table.data.RowData left, org.apache.flink.table.data.RowData right)

从类继承的方法 org.apache.flink.api.java.operators.translation.WrappingFunction

close, getWrappedFunction, open, setRuntimeContext

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.api.common.functions.RichFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

构造器详细资料

JoinConditionWithNullFilters

public JoinConditionWithNullFilters(JoinCondition backingJoinCondition,
                                    boolean[] filterNullKeys,
                                    org.apache.flink.streaming.api.operators.KeyContext keyContext)

方法详细资料

apply

public boolean apply(org.apache.flink.table.data.RowData left,
                     org.apache.flink.table.data.RowData right)

指定者:

apply 在接口中 JoinCondition

返回:

true if the join condition stays true for the joined row (in1, in2)