GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/5017
[SPARK-6326][SQL] Improve castStruct to be faster
Current `castStruct` should be very slow. This pr slightly improves it.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 faster_caststruct
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5017.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 #5017
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commit 746fcfbfafd3dabd1739a55ea7cbb3be34e2cc7b
Author: Liang-Chi Hsieh <vii...@gmail.com>
Date: 2015-03-13T18:31:03Z
Make castStruct faster.
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