GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/7819
[SPARK-9415][SQL] Throw AnalysisException when using MapType on Join and
Aggregate
JIRA: https://issues.apache.org/jira/browse/SPARK-9415
Following up #7787. We shouldn't use MapType as grouping keys and join keys
too.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 map_join_groupby
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7819.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #7819
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commit 7463398beaab9bb39633cfb55c02e32486b0e2af
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-07-31T06:58:47Z
MapType can't be used as join keys, grouping keys.
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