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https://issues.apache.org/jira/browse/SPARK-35520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17425205#comment-17425205
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Kun Lu commented on SPARK-35520:
--------------------------------
I've also observed this issue on Spark v3.1.2 on IBM Z. Any comments from the
community would be greatly appreciated.
> Spark-SQL test fails on IBM Z for certain config combinations.
> --------------------------------------------------------------
>
> Key: SPARK-35520
> URL: https://issues.apache.org/jira/browse/SPARK-35520
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 3.1.1
> Reporter: Simrit Kaur
> Priority: Major
>
> Some queries of SQL related test cases: in-joins.sql, in-order-by.sql,
> not-in-group-by.sql and SubquerySuite.scala are failing with specific
> configuration combinations on IBM Z(s390x).
> For example:
> sql("select * from l where a = 6 and a not in (select c from r where c is not
> null)") query from SubquerySuite.scala fails for following config
> combinations:
> |enableNAAJ|enableAQE|enableCodegen|
> |TRUE|FALSE|FALSE|
> |TRUE|TRUE|FALSE|
> The above combination is also causing 2 other queries in in-joins.sql and
> in-order-by.sql failing.
> Another query:
> SELECT Count(*)
> FROM (SELECT *
> FROM t2
> WHERE t2a NOT IN (SELECT t3a
> FROM t3
> WHERE t3h != t2h)) t2
> WHERE t2b NOT IN (SELECT Min(t2b)
> FROM t2
> WHERE t2b = t2b
> GROUP BY t2c);
> from not-in-group-by.sql is failing for following combinations:
> |enableAQE|enableCodegen|
> |FALSE|TRUE|
> |FALSE|FALSE|
>
> These Test cases are not failing for 3.0.1 release and I believe might have
> been introduced with
> [SPARK-32290|https://issues.apache.org/jira/browse/SPARK-32290] .
> There is another strange behaviour observed, if expected output is 1,3 , I am
> getting 1, 3, 9. If I update the Golden file to expect 1, 3, 9, the output
> will be 1, 3.
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