GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/13668
[SPARK-15915][SQL] Logical plans should use subqueries eliminated plan when
override sameResult.
## What changes were proposed in this pull request?
This pr is a backport of #13638 for `branch-1.6`.
## How was this patch tested?
Added the same test as #13638 modified for `branch-1.6`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-15915_1.6
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13668.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 #13668
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commit 9a1621afceb439c942cde63b40ee3a1041037f86
Author: Takuya UESHIN <[email protected]>
Date: 2016-06-14T18:42:45Z
Add a test to check if DataFrame with plan overriding sameResult but not
using subqueries eliminated plan to compare can cacheTable.
commit e51774f1eb73ddcb820619addd8be18894bba5e6
Author: Takuya UESHIN <[email protected]>
Date: 2016-06-14T18:52:04Z
Use subqueries eliminated plan to compare.
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