GitHub user petermaxlee opened a pull request:
https://github.com/apache/spark/pull/13969
[SPARK-16284][SQL] Implement reflect SQL function
## What changes were proposed in this pull request?
This patch implements reflect SQL function, which can be used to invoke a
Java method in SQL. Slightly different from Hive, this implementation requires
the class name and the method name to be literals. This implementation also
supports only a smaller number of data types.
## How was this patch tested?
Added expression unit tests and an end-to-end test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/petermaxlee/spark reflect
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13969.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 #13969
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commit dfe34804bd7855ac970c6cd2f802ee51434a3d7e
Author: petermaxlee <[email protected]>
Date: 2016-06-29T09:16:23Z
[SPARK-16284][SQL] Implement reflect SQL function
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