Hi!

The optimizer pushes certain strategies down before the map operators. That
is correct, but it would be good to have a bias to not do that unless it
yields a clear advantage.

For that case, the simplest fix would be to give the mapper a selectivity
smaller than one. That should do it.

Stephan



On Mon, Sep 1, 2014 at 1:47 PM, Sebastian Kunert <[email protected]>
wrote:

> Hi,
>
> I have different plans for the DOPChangeTest in java 7 and 8. Here are the
> two plans that are generated:
>
> Java 7: http://pastebin.com/krzF0gmJ
> Java 8: http://pastebin.com/a6TuBjzB
>
> The plans are equivalent and both okay. The question is how to deal with
> this in a testcase when we have to expect a specific plan. The problem
> arises in this pull request:
> https://github.com/apache/incubator-flink/pull/83
>
> Sebastian
>

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