GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/11859
[SPARK-14004][follow-up] Implementations of NonSQLExpression should not
override sql method
## What changes were proposed in this pull request?
There is only one exception: `PythonUDF`. However, I don't think the
`PythonUDF#` prefix is useful, as we can only create python udf under python
context. This PR removes the `PythonUDF#` prefix from `PythonUDF.toString`, so
that it doesn't need to overrde `sql`.
## How was this patch tested?
existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark tmp
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11859.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 #11859
----
commit ce7d4f2120be4158ef2dc059fe3e78a64c829778
Author: Wenchen Fan <[email protected]>
Date: 2016-03-21T11:36:42Z
Implementations of NonSQLExpression should not override sql method
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