GitHub user marmbrus opened a pull request:
https://github.com/apache/spark/pull/11572
[SPARK-13664][SQL] Cleanup Data Source resolution
Follow-up to #11509, that simply refactors the interface that we use when
resolving a pluggable `DataSource`.
- Multiple functions share the same set of arguments so we make this a
case class `DataSource`. Actual resolution is now done by calling a function.
- Instead of having multiple methods named `apply` (some of which do
writing some of which do reading) we now explicitly have `resolveRelation(...)`
and `write(...)`.
- Get rid of `Array[String]` since this is an internal API and was forcing
us to call `toArray` in a bunch of places.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/marmbrus/spark dataSourceResolution
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11572.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 #11572
----
commit 36969f8671ed396e9ed2027b8ee2c7435bbf7dfc
Author: Michael Armbrust <mich...@databricks.com>
Date: 2016-03-08T02:18:44Z
[SPARK-13664][SQL] Cleanup Data Source resolution
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