GitHub user rdblue opened a pull request:
https://github.com/apache/spark/pull/15834
[SPARK-18368] [SQL] Fix regexp replace when serialized
## What changes were proposed in this pull request?
This makes the result value both transient and lazy, so that if the
RegExpReplace object is initialized then serialized, `result: StringBuffer`
will be correctly initialized.
## How was this patch tested?
* Verified that this patch fixed the query that found the bug.
* Added a test case that fails without the fix.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rdblue/spark SPARK-18368-fix-regexp-replace
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15834.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 #15834
----
commit 8740a2c3b918796e1ac87c3e178f9f9f4651cb75
Author: Ryan Blue <b...@apache.org>
Date: 2016-10-26T16:42:43Z
SPARK-18368: Fix regexp_replace with task serialization.
commit 3536f6a44f15e2997a1061a6e7ec061f98c3ef9f
Author: Ryan Blue <b...@apache.org>
Date: 2016-11-08T23:40:25Z
SPARK-18368: Add test for regexp_replace serialization.
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