GitHub user jodersky opened a pull request:
https://github.com/apache/spark/pull/10749
[SPARK-12816][SQL] De-alias type when generating schemas
Call `dealias` on local types to fix schema generation for abstract type
members, such as
```scala
type KeyValue = (Int, String)
```
Add simple test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jodersky/spark aliased-schema
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10749.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 #10749
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commit d8e8ce33c91591f373037fd7abe191c2c4163b61
Author: Jakob Odersky <[email protected]>
Date: 2016-01-14T01:12:45Z
De-alias type when generating schemas
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