GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/6710
[SPARK-7886] Add built-in expressions to FunctionRegistry.
This patch switches to using FunctionRegistry for built-in expressions.
It is based on #6463, but with some work to simplified it, and added unit
tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark udf-registry
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6710.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 #6710
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commit 8616924ebb90eaf5e88a6a843dc99744b3dbc2b8
Author: Santiago M. Mola <[email protected]>
Date: 2015-05-28T17:42:59Z
[SPARK-7886] Add built-in expressions to FunctionRegistry.
- ExpressionBuilders is provided with helpers to create a function builder
for each Expression.
- Built-in functions removed from SqlParser when possible. Added to
FunctionRegistry.
TO DO:
- Decide between the reflection and macro implementations of the
expression builder helpers.
- Fix Substring (whose constructor is not well suited for the helper).
- Apply changes to Hive.
commit 2a2a149672589e303f6a8dbc1ef295a7c2541825
Author: Reynold Xin <[email protected]>
Date: 2015-06-08T20:18:12Z
Merge pull request #6463 from smola/SPARK-7886
[SPARK-7886][SQL] Add built-in expressions to FunctionRegistry.
commit 77b46f18c9a563f0673ddf097bf1e08c7be0ca1d
Author: Reynold Xin <[email protected]>
Date: 2015-06-08T23:23:22Z
Simplified the code.
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