GitHub user maryannxue opened a pull request:
https://github.com/apache/spark/pull/21585
[SPARK-24583][SQL] Wrong schema type in InsertIntoDataSourceCommand
## What changes were proposed in this pull request?
Change insert input schema type: "insertRelationType" ->
"insertRelationType.asNullable", in order to avoid nullable being overridden.
## How was this patch tested?
Added one test in InsertSuite.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maryannxue/spark spark-24583
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21585.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 #21585
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commit f099a678e1f6dc0bfb591206402397d492e7720d
Author: Maryann Xue <maryannxue@...>
Date: 2018-06-18T20:47:53Z
[SPARK-24583] Wrong schema type in InsertIntoDataSourceCommand
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