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Posted to issues@flink.apache.org by "Ufuk Celebi (JIRA)" <ji...@apache.org> on 2014/07/10 12:30:05 UTC

[jira] [Resolved] (FLINK-1001) Aggregate Min/Max return unexpected values.

     [ https://issues.apache.org/jira/browse/FLINK-1001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ufuk Celebi resolved FLINK-1001.
--------------------------------

    Resolution: Later

> Aggregate Min/Max return unexpected values.
> -------------------------------------------
>
>                 Key: FLINK-1001
>                 URL: https://issues.apache.org/jira/browse/FLINK-1001
>             Project: Flink
>          Issue Type: Bug
>          Components: Local Runtime
>            Reporter: Bastian Köcher
>         Attachments: src.zip
>
>
> I wanted to replace my simple MinReducer
> 	public static class MinSimilarityReducer extends ReduceFunction<ClusterPair> {
> 		@Override
> 		public ClusterPair reduce(ClusterPair value1, ClusterPair value2) throws Exception {
> 			if (value1.getSimilarity().doubleValue() < value2.getSimilarity().doubleValue()) {
> 				return value1;
> 			}
> 			return value2;
> 		}
> 	}
> With Aggregate.Min, but Aggregate.Min delivers a value which should already be removed in my WorkSet.
> If I use my own Reducer it works as expected, but with an Aggregate this doesn't work anymore :/ 



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