GitHub user holdenk opened a pull request:
https://github.com/apache/spark/pull/8634
[SPARK-10449][SQL][WIP] Don't merge decimal types with incompatable
precision or scales
From JIRA: Schema merging should only handle struct fields. But currently
we also reconcile decimal precision and scale information.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/holdenk/spark
SPARK-10449-dont-merge-different-precision
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8634.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 #8634
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commit 7a58ff8930f5412b6db0cd7ac0d98f0333fcbc06
Author: Holden Karau <[email protected]>
Date: 2015-09-06T22:54:37Z
Don't merge decimal types with incompatable precision or scales
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