GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/19891
[SPARK-22500][SQL][followup] cast for struct can split code even with whole
stage codegen
## What changes were proposed in this pull request?
A followup of https://github.com/apache/spark/pull/19730, we can split the
code for casting struct even with whole stage codegen.
This PR also has some renaming to make the code easier to read.
## How was this patch tested?
existing test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark cast
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19891.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 #19891
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commit 7ce4b82c5d5153f2dd9f2f69f3d5b8f51a25a9b0
Author: Wenchen Fan <[email protected]>
Date: 2017-12-05T08:17:19Z
cast for struct can split code even with whole stage codegen
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