org.apache.flink.api.table.expressions.analysis

Class ExtractEquiJoinFields$

java.lang.Object

org.apache.flink.api.table.expressions.analysis.ExtractEquiJoinFields$

public class ExtractEquiJoinFields$
extends Object

Equi-join field extractor for Join Predicates and CoGroup predicates. The result is a modified expression without the equi-join predicates together with indices of the join fields from both the left and right input.

Field Summary

Fields

Modifier and Type	Field and Description
static ExtractEquiJoinFields$	MODULE$ Static reference to the singleton instance of this Scala object.

Constructor Summary

Constructors

Constructor and Description
ExtractEquiJoinFields$()

Method Summary

Modifier and Type	Method and Description
scala.Tuple3<Expression,int[],int[]>	apply(CompositeType<?> leftType, CompositeType<?> rightType, Expression predicate)

Methods inherited from class java.lang.Object

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

Field Detail

MODULE$

public static final ExtractEquiJoinFields$ MODULE$

Static reference to the singleton instance of this Scala object.

Constructor Detail

ExtractEquiJoinFields$

public ExtractEquiJoinFields$()

Method Detail

apply

public scala.Tuple3<Expression,int[],int[]> apply(CompositeType<?> leftType,
                                                  CompositeType<?> rightType,
                                                  Expression predicate)