GitHub user huaxingao opened a pull request:
https://github.com/apache/spark/pull/10505
[SPARK-12506][SQL]push down WHERE clause arithmetic operator to JDBC â¦
â¦layer
For arithmetic operator in WHERE clause such as
select * from table where c1 + c2 > 10
Currently where c1 + c2 >10 is done at spark layer.
Will push this to JDBC layer so it will be done in database
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/huaxingao/spark spark12506
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10505.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 #10505
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commit b10310898953e8830898c0ac95c861c8f3c88fa5
Author: Huaxin Gao <[email protected]>
Date: 2015-12-27T20:45:52Z
[SPARK-12506][SQL]push down WHERE clause arithmetic operator to JDBC layer
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