GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/12057
[SPARK-14267] [SQL] [PYSPARK] execute multiple Python UDFs within single
batch
## What changes were proposed in this pull request?
This PR support multiple Python UDFs within single batch.
TODO: add benchmark
## How was this patch tested?
Added new tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark multi_udfs
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12057.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 #12057
----
commit f6b737337dc087251899c33e71ef5cdf89f0c5a3
Author: Davies Liu <[email protected]>
Date: 2016-03-30T08:01:33Z
multiple Python UDFs in single batch
commit 8e6e5bc623adfa77e25ebf02712b10ca1a8a7a60
Author: Davies Liu <[email protected]>
Date: 2016-03-30T08:13:02Z
fast path for single UDF
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