GitHub user kevinyu98 opened a pull request:
https://github.com/apache/spark/pull/11009
[SPARK-12987][SQL]Fixing the name resolution in drop column
@marmbrus @cloud-fan @thomas @jayadevan : Hello All: Can you help review
this code fix?
This problem is coming from drop column, after we drop off the old column,
construct the new dataframe from the remaining columns.
the new dataframe is using the Schema information to construct the column
name, in this case, the name is string âa.câ. Since it is from Schema, we
should take the name as it is, we should not do any parsing on the name.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kevinyu98/spark work_on_spark-12987
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11009.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 #11009
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commit ff187c38234686ede0f859f4fe00a8013d8dc86f
Author: Kevin Yu <q...@us.ibm.com>
Date: 2016-02-02T00:08:01Z
Fixing the name resolution in drop column
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