GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/18828
[SPARK-21619][SQL] Fail the execution of canonicalized plans explicitly
## What changes were proposed in this pull request?
Canonicalized plans are not supposed to be executed. I ran into a case in
which there's some code that accidentally calls execute on a canonicalized
plan. This patch throws a more explicit exception when that happens.
## How was this patch tested?
Added a test case in SparkPlanSuite.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-21619
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18828.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 #18828
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commit 587de13138c3c3da0a6405eaf908345387766f54
Author: Reynold Xin <r...@databricks.com>
Date: 2017-08-03T02:25:34Z
[SPARK-21619][SQL] Fail the execution of canonicalized plans explicitly
commit 785a5698eef1f398cbbf71d1805da353e28b341e
Author: Reynold Xin <r...@databricks.com>
Date: 2017-08-03T02:31:16Z
test case and more
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