GitHub user dilipbiswal opened a pull request:
https://github.com/apache/spark/pull/16760
[SPARK-18872][SQL][TESTS] New test cases for EXISTS subquery (Aggregate,
Having, Orderby, Limit)
## What changes were proposed in this pull request?
This PR adds the second set of tests for EXISTS subquery.
File name | Brief description
------------------------| -----------------
exists-aggregate.sql |Tests aggregate expressions in outer
query and EXISTS subquery.
exists-having.sql|Tests HAVING clause in subquery.
exists-orderby-limit.sql|Tests EXISTS subquery support with ORDER BY and
LIMIT clauses.
DB2 results are attached here as reference :
[exists-aggregate-db2.txt](https://github.com/apache/spark/files/743287/exists-aggregate-db2.txt)
[exists-having-db2.txt](https://github.com/apache/spark/files/743286/exists-having-db2.txt)
[exists-orderby-limit-db2.txt](https://github.com/apache/spark/files/743288/exists-orderby-limit-db2.txt)
(Please explain how this patch was tested. E.g. unit tests, integration
tests, manual tests)
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dilipbiswal/spark exists-pr2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16760.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 #16760
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