GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/4623
[SPARK-5296] [SQL] Add more filter types for data sources API
This PR adds the following filter types for data sources API:
- `IsNull`
- `IsNotNull`
- `Not`
- `And`
- `Or`
The code which converts Catalyst predicate expressions to data sources
filters is very similar to filter conversion logics in `ParquetFilters` which
converts Catalyst predicates to Parquet filter predicates. In this way we can
support nested AND/OR/NOT predicates without changing current `BaseScan` type
hierarchy.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark more-fiters
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4623.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 #4623
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commit 1b296f469556bea77e3a65a0c2e8af7fe1035b76
Author: Cheng Lian <[email protected]>
Date: 2015-02-16T09:02:53Z
Add more filter types for data sources API
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