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https://issues.apache.org/jira/browse/FLINK-3650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252249#comment-15252249
]
ASF GitHub Bot commented on FLINK-3650:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1856#discussion_r60620452
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/functions/SelectByMinFunction.java
---
@@ -48,7 +49,7 @@ public SelectByMinFunction(TupleTypeInfo<T> type, int...
fields) {
}
// Check whether type is comparable
- if (!type.getTypeAt(field).isKeyType()) {
+ if
(!((TupleTypeInfo)type).getTypeAt(field).isKeyType()) {
--- End diff --
Scala tuple types are not of type `TupleTypeInfo` but instead
`TupleTypeInfoBase`.
> Add maxBy/minBy to Scala DataSet API
> ------------------------------------
>
> Key: FLINK-3650
> URL: https://issues.apache.org/jira/browse/FLINK-3650
> Project: Flink
> Issue Type: Improvement
> Components: Java API, Scala API
> Affects Versions: 1.1.0
> Reporter: Till Rohrmann
> Assignee: ramkrishna.s.vasudevan
>
> The stable Java DataSet API contains the API calls {{maxBy}} and {{minBy}}.
> These methods are not supported by the Scala DataSet API. These methods
> should be added in order to have a consistent API.
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