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

Class 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

All Implemented Interfaces:

Serializable, Function, RichFunction, JoinCondition

public class JoinConditionWithNullFilters
extends WrappingFunction<JoinCondition>
implements JoinCondition

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

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

wrappedFunction

Constructor Summary

Constructors

Constructor and Description
JoinConditionWithNullFilters(JoinCondition backingJoinCondition, boolean[] filterNullKeys, KeyContext keyContext)

Method Summary

Modifier and Type	Method and Description
boolean	apply(RowData left, RowData right)

Methods inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

close, getWrappedFunction, open, setRuntimeContext

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.functions.RichFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Constructor Detail

JoinConditionWithNullFilters

public JoinConditionWithNullFilters(JoinCondition backingJoinCondition,
                                    boolean[] filterNullKeys,
                                    KeyContext keyContext)

Method Detail

apply

public boolean apply(RowData left,
                     RowData right)

Specified by:

apply in interface JoinCondition

Returns:

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