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https://issues.apache.org/jira/browse/FLINK-820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14142298#comment-14142298
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Stephan Ewen commented on FLINK-820:
------------------------------------
Runtime support available as of ae139f5ae2199a52e8d7f561f94db51631107d00
> Support for unconnected data flows
> ----------------------------------
>
> Key: FLINK-820
> URL: https://issues.apache.org/jira/browse/FLINK-820
> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Labels: github-import
> Fix For: pre-apache
>
>
> Currently the compiler fails when given a plan with separate data flows.
> ```java
> throw new CompilerException("The given Pact program contains multiple
> disconnected data flows.");
> ```
> However, I do not see a good conceptual reason to not support such data
> flows. Are there any technical issues?
> To elaborate a bit on the issue: I have a higher level operator that may or
> may not produce separated data flows. In a current workaround I have to pipe
> the union of all data flows to a dummy sink to avoid such an exception.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/820
> Created by: [AHeise|https://github.com/AHeise]
> Labels:
> Created at: Thu May 15 16:51:46 CEST 2014
> State: open
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