GitHub user tejasapatil opened a pull request:
https://github.com/apache/spark/pull/15040
[WIP] [SPARK-17487] [SQL] Configuragble bucketing info extraction
## What changes were proposed in this pull request?
I am looking for early feedback about this change wrt approach.
Here is what this PR contains:
- Introduced `BucketingInfoExtractor` which has functions for
- extract bucket id from a given filename
- given bucket id and other info, generate the filename
- `BucketingInfoExtractor` is a part of `BucketSpec` since the same session
can process native Spark tables and pure Hive tables
- Provided a default impl which adheres with Spark's current naming scheme
- All codepaths which write a file now use the `BucketingInfoExtractor` to
get a filename as per the bucketing scheme
TODO
- Get rid of `BucketingUtils` completely
- Introduce impl for Hive
- Add tests
## How was this patch tested?
TODO
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tejasapatil/spark custom_bucketing
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15040.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 #15040
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commit fcf37f7d89b16e8bb4589e519a516b351eb650b8
Author: Tejas Patil <tej...@fb.com>
Date: 2016-08-31T00:26:09Z
Configuragble bucketing info extraction
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