GitHub user jiangxb1987 opened a pull request:
https://github.com/apache/spark/pull/14619
[SPARK-17031][SQL] Add `Scanner` operator to wrap the optimized plan
directly in planner
## What changes were proposed in this pull request?
Added `Scanner` operator to wrap the optimized plan directly in planner, it
holds project lists as well as filter predicates.
Updated relative `Analyzer` and `Optimizer` rules.
## How was this patch tested?
Existing testcases.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jiangxb1987/spark scanner
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14619.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 #14619
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commit a8c78d7624104c355ae0b5a4b8011cb6686d73f7
Author: jiangxingbo <[email protected]>
Date: 2016-08-10T02:32:24Z
insert a Scanner operator over relation and combine Project/Filter(s) with
it.
commit 3202cfeb80bcea6cb08f2ad7273801a6f8224bb7
Author: jiangxingbo <[email protected]>
Date: 2016-08-11T10:32:51Z
resolve testcases fail.
commit 3f8834dad44a6a369e9ac63a72106d2b94f0cf19
Author: jiangxingbo <[email protected]>
Date: 2016-08-12T07:19:10Z
fix testcases fail.
commit b1e224c148280ad1e420b2d9b1dbb7c49f32f931
Author: jiangxingbo <[email protected]>
Date: 2016-08-12T07:59:58Z
fix Scalastyle check fails.
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