org.apache.flink.table.api

Class OverWindow

java.lang.Object

org.apache.flink.table.api.OverWindow

@PublicEvolving
public final class OverWindow
extends Object

An over window specification.

Similar to SQL, over window aggregates compute an aggregate for each input row over a range of its neighboring rows.

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.expressions.Expression	getAlias()
Optional<org.apache.flink.table.expressions.Expression>	getFollowing()
org.apache.flink.table.expressions.Expression	getOrder()
List<org.apache.flink.table.expressions.Expression>	getPartitioning()
org.apache.flink.table.expressions.Expression	getPreceding()

Methods inherited from class java.lang.Object

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

Method Detail

getAlias

public org.apache.flink.table.expressions.Expression getAlias()

getPartitioning

public List<org.apache.flink.table.expressions.Expression> getPartitioning()

getOrder

public org.apache.flink.table.expressions.Expression getOrder()

getPreceding

public org.apache.flink.table.expressions.Expression getPreceding()

getFollowing

public Optional<org.apache.flink.table.expressions.Expression> getFollowing()