Package org.apache.flink.table.runtime.operators.over.frame

Class RowUnboundedFollowingOverFrame

java.lang.Object

org.apache.flink.table.runtime.operators.over.frame.UnboundedFollowingOverFrame

org.apache.flink.table.runtime.operators.over.frame.RowUnboundedFollowingOverFrame

All Implemented Interfaces:

Serializable, OverWindowFrame

public class RowUnboundedFollowingOverFrame
extends UnboundedFollowingOverFrame

The row unboundedFollowing window frame calculates frames with the following SQL form: ... ROW BETWEEN [window frame preceding] AND UNBOUNDED FOLLOWING [window frame preceding] ::= [unsigned_value_specification] PRECEDING | CURRENT ROW

e.g.: ... ROW BETWEEN 1 PRECEDING AND UNBOUNDED FOLLOWING.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
RowUnboundedFollowingOverFrame(org.apache.flink.table.types.logical.RowType valueType, GeneratedAggsHandleFunction aggsHandleFunction, long leftBound)

Method Summary

Modifier and Type	Method	Description
org.apache.flink.table.data.RowData	process(int index, org.apache.flink.table.data.RowData current)	return the ACC of the window frame.

Methods inherited from class org.apache.flink.table.runtime.operators.over.frame.UnboundedFollowingOverFrame

open, prepare

Methods inherited from class java.lang.Object

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

Constructor Detail

RowUnboundedFollowingOverFrame

public RowUnboundedFollowingOverFrame(org.apache.flink.table.types.logical.RowType valueType,
                                      GeneratedAggsHandleFunction aggsHandleFunction,
                                      long leftBound)

Method Detail

process

public org.apache.flink.table.data.RowData process(int index,
                                                   org.apache.flink.table.data.RowData current)
                                            throws Exception

Description copied from interface: OverWindowFrame

return the ACC of the window frame.

Throws:

Exception