GitHub user adrian-wang opened a pull request:
https://github.com/apache/spark/pull/8621
[SPARK-10463] [SQL] remove PromotePrecision during optimization
PromotePrecision is not necessary after HiveTypeCoercion done.
Jira:
https://issues.apache.org/jira/browse/SPARK-10463
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/adrian-wang/spark promoterm
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8621.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 #8621
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commit fa65648ef2948651273c9cc87030f620a3e7e9a6
Author: Daoyuan Wang <[email protected]>
Date: 2015-09-06T08:00:10Z
remove PromotePrecision during optimization
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