Mihailo Aleksic created SPARK-52007:
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Summary: Expression IDs shouldn't be present in grouping
expressions when using grouping sets
Key: SPARK-52007
URL: https://issues.apache.org/jira/browse/SPARK-52007
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.1.0
Reporter: Mihailo Aleksic
In current version following query works:
select * from values(1,2) group by grouping sets (col1,col2,col1+col2) order by
`(col1#x + col2#y)`
where #x and #y are expression IDs generated for related attributes. This isn't
right as it leads to nondeterministic behavior (queries that pass would fail
next time). In this issue I propose that we fix that.
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