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https://issues.apache.org/jira/browse/FLINK-5968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211188#comment-16211188
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ASF GitHub Bot commented on FLINK-5968:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/4833#discussion_r145731146
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/GeneratedAggregations.scala
---
@@ -67,7 +67,7 @@ abstract class GeneratedAggregations extends Function {
* aggregated results
* @param input input values bundled in a row
--- End diff --
Please change `retract()` accordingly to keep the interfaces consistent.
Alternatively, you can also revert the changes on `GeneratedAggregations`
which is only an internal interface. The Table API
`org.apache.flink.table.functions.AggregateFunction` does not support immutable
accumulators, so this change has no effect until the public interface is
changed. If you revert, we only need to touch `AggregateAggFunction` and not
the code generator.
> Document WindowedStream.aggregate()
> -----------------------------------
>
> Key: FLINK-5968
> URL: https://issues.apache.org/jira/browse/FLINK-5968
> Project: Flink
> Issue Type: Sub-task
> Components: DataStream API, Documentation
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Blocker
> Fix For: 1.4.0
>
>
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