GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/7149
[SPARK-8621] [SQL] support empty string as column name
improve the empty check in `parseAttributeName` so that we can allow empty
string as column name.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark 8621
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7149.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 #7149
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commit a9c6c1d06ec4bc386b08a08cf0d8947e85021a2b
Author: Wenchen Fan <[email protected]>
Date: 2015-07-01T06:08:19Z
support empty string
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