GitHub user sameeragarwal opened a pull request:
https://github.com/apache/spark/pull/10844
[WIP][SQL] Initial support for constraint propagation in SparkSQL
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sameeragarwal/spark constraints
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10844.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 #10844
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commit 8d050df82225b36d06f5b29fff9df2a49b39f551
Author: Sameer Agarwal <[email protected]>
Date: 2016-01-19T08:48:17Z
initial framework
commit fed48b84e4e40a58bddb1ee742bda738a0b63ab1
Author: Sameer Agarwal <[email protected]>
Date: 2016-01-19T19:28:21Z
Initial set of constraints
commit 76d27275d9cc0452da2d2fd0c765b8fc5d586474
Author: Sameer Agarwal <[email protected]>
Date: 2016-01-20T02:03:18Z
Constraint propagation in Set and Binary operators
commit 67e138d480b97f78e00229b2e407eececd56a599
Author: Sameer Agarwal <[email protected]>
Date: 2016-01-20T02:53:57Z
modify test
commit f7251dd8d6d7b132f094fa47da8a057b73f23631
Author: Sameer Agarwal <[email protected]>
Date: 2016-01-20T08:04:54Z
fix tests
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