GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/15956
[SPARK-18519][SQL] map type can not be used in binary comparison
## What changes were proposed in this pull request?
MapType is not orderable, we forbid users to use map type in join key and
aggregate grouping key, we should also forbid map type in binary comparison.
## How was this patch tested?
updated tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark map-type
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15956.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 #15956
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commit a7b6e429701280fdc95a5eead58e99441ca01903
Author: Wenchen Fan <[email protected]>
Date: 2016-11-21T06:24:49Z
map type can not be used in binary comparison
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