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

Class VerifyNoNestedAggregates

java.lang.Object

org.apache.flink.api.table.trees.Rule<Expression>

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

public class VerifyNoNestedAggregates
extends Rule<Expression>

Rule that verifies that an expression does not contain aggregate operations as children of aggregate operations.

Constructor Summary

Constructors

Constructor and Description
VerifyNoNestedAggregates()

Method Summary

Modifier and Type	Method and Description
Expression	apply(Expression expr)

Methods inherited from class java.lang.Object

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

Constructor Detail

VerifyNoNestedAggregates

public VerifyNoNestedAggregates()

Method Detail

apply

public Expression apply(Expression expr)

Specified by:

apply in class Rule<Expression>