GitHub user xueyumusic opened a pull request:
https://github.com/apache/spark/pull/21985
[SPARK-24884][SQL] add regexp_extract_all support
## What changes were proposed in this pull request?
This PR add regexp_extract_all support in catalyst as RegExpExtractAll.
It finds all occurrences of the regular expression pattern in string and
returns the capturing group number
## How was this patch tested?
unit test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xueyumusic/spark RegExpExtractAll
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21985.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 #21985
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commit 2a9623879d91a9b7f33e1f4d252b8633de2c9e8b
Author: xueyu <278006819@...>
Date: 2018-08-03T13:22:14Z
RegExpExtractAll
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