[
https://issues.apache.org/jira/browse/FLINK-5956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895569#comment-15895569
]
ASF GitHub Bot commented on FLINK-5956:
---------------------------------------
Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3470
Hi @shaoxuan-wang, yes. That's a very good point. We should definitely add
non-retractable `MIN` and `MAX` aggregates. Would be good to have them now to
use them in batch queries.
> Add retract method into the aggregateFunction
> ---------------------------------------------
>
> Key: FLINK-5956
> URL: https://issues.apache.org/jira/browse/FLINK-5956
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Shaoxuan Wang
>
> Retraction method is help for processing updated message. It will also very
> helpful for window Aggregation. This PR will first add retraction methods
> into the aggregateFunctions, such that on-going over window Aggregation can
> get benefit from it.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
