Github user lvdongr commented on the issue: https://github.com/apache/spark/pull/18756 You can see this picture,my table has three columns,and I insert only two columns, then the last column is null. @maropu @gatorsmile ![insertinto](https://user-images.githubusercontent.com/25652150/29109253-f9b852a8-7d14-11e7-9a9c-b6aa76314a04.PNG)
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