Fixed First and Last aggregates to compute first and last value per G…

[ggupta81]

In current implementation, First and Last aggregates were calculating the values for entire DataFrame partition and then the same value was returned for all GroupedData in the partition.
Fixed the First and Last aggregates to compute first and last value per GroupedData instead of entire DataFrame

[AmplabJenkins]

Can one of the admins verify this patch?

[andrewor14]

@ggupta81 please file a JIRA and open a patch against the master branch. For more detail see https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark and how other PRs are opened.

[JoshRosen]

Let's close this issue for now.

[JoshRosen]

Actually, @rxin or @yhuai, is this a bug that should be fixed for 1.5?

[ggupta81]

I have opened a JIRA issue:
https://issues.apache.org/jira/browse/SPARK-9592

and created pull request on master:
#7928

On Sat, Aug 1, 2015 at 11:58 PM, Josh Rosen notifications@github.com
wrote:

Actually, @rxin https://github.com/rxin or @yhuai
https://github.com/yhuai, is this a bug that should be fixed for 1.5?

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Reply to this email directly or view it on GitHub
#7233 (comment).

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[andrewor14]

@ggupta81 can you close this patch then since we already have #7928? It's confusing to have both open.

[ggupta81]

Closing this patch since we have #7928 open.