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

Class JoinConditionWithNullFilters

java.lang.Object
org.apache.flink.api.common.functions.AbstractRichFunction
org.apache.flink.api.common.functions.WrappingFunction<JoinCondition>
org.apache.flink.table.runtime.operators.join.JoinConditionWithNullFilters
All Implemented Interfaces:
Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, JoinCondition
public class JoinConditionWithNullFilters extends org.apache.flink.api.common.functions.WrappingFunction<JoinCondition> implements JoinCondition
Utility to take null filters into consideration when apply join condition.
See Also:

  • Field Summary

    Fields inherited from class org.apache.flink.api.common.functions.WrappingFunction

    wrappedFunction

  • Constructor Summary

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

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    apply(org.apache.flink.table.data.RowData left, org.apache.flink.table.data.RowData right)
     

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

    • JoinConditionWithNullFilters

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

  • Method Details

    • apply

      public boolean apply(org.apache.flink.table.data.RowData left, org.apache.flink.table.data.RowData right)
      Specified by:
      apply in interface JoinCondition
      Returns:
      true if the join condition stays true for the joined row (in1, in2)