GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/9399
[SPARK-10978] [SQL] Allow data sources to eliminate filters
This PR adds a new method `unhandledFilters` to `BaseRelation`. Data
sources which implement this method properly may avoid the overhead of
defensive filtering done by Spark SQL.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark spark-10978.unhandled-filters
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9399.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 #9399
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commit c5f11236bf4323610841a1790747bdac2be2043e
Author: Cheng Lian <[email protected]>
Date: 2015-11-01T17:00:18Z
Adds BaseRelation.unhandledFilters()
commit e70dc7623c53d851354b8bc34aef5a8350f73bc1
Author: Cheng Lian <[email protected]>
Date: 2015-11-01T19:07:57Z
Fixes test failures
commit 7b5f8842b6807246dca0c289d64fe5da79b8a0c4
Author: Cheng Lian <[email protected]>
Date: 2015-11-01T19:09:07Z
Reverts ParquetRelation changes
commit 16f3ca3c34533922c2d6d4dbedf9818dd281053f
Author: Cheng Lian <[email protected]>
Date: 2015-11-01T21:06:41Z
Tests required columns for PrunedFilteredScan
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