GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/20427
[SPARK-23260][SQL] remove V2 from the class name of data source
reader/writer
## What changes were proposed in this pull request?
All other classes in the reader/writer package doesn't have `V2` in their
names, and the streaming reader/writer don't have `V2` either. It's more
consistent to remove `V2` from `DataSourceV2Reader` and `DataSourceVWriter`.
Also this PR fixes some places that the mix-in interface doesn't extend the
interface it aimed to mix in.
## How was this patch tested?
existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark ds-v2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20427.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 #20427
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commit ff6735973a502a989555251f898d09c3c8fbfb86
Author: Wenchen Fan <wenchen@...>
Date: 2018-01-29T19:27:46Z
remove V2 from the class name of data source reader/writer
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