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https://issues.apache.org/jira/browse/FLINK-159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fabian Hueske resolved FLINK-159.
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Resolution: Fixed
Fixed with the new Scala API
> Scala Frontend: Better support to return no or multipe records
> --------------------------------------------------------------
>
> Key: FLINK-159
> URL: https://issues.apache.org/jira/browse/FLINK-159
> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Labels: github-import
> Fix For: pre-apache
>
>
> Currently it is cumbersome or not possible to return no or multiple records
> from match, cross, reduce, and cogroup.
> When implementing the triangle enumeration example, I found this to be the
> most difficult part.
> As many MR algorithms require this feature, I think we should have good
> support for these usecases.
> On approach to enable this emitting an arbitrary number of records could be
> to "collect" output records in Scala lists and emitting them at the end of
> the stub call.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/159
> Created by: [fhueske|https://github.com/fhueske]
> Labels: enhancement, scala api,
> Milestone: Release 0.4
> Assignee: [aljoscha|https://github.com/aljoscha]
> Created at: Mon Oct 14 14:18:50 CEST 2013
> State: open
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