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https://issues.apache.org/jira/browse/SPARK-29679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17140651#comment-17140651
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Bart Samwel commented on SPARK-29679:
-------------------------------------
That's a good question. I think it would make sense to do it that way. That
means that all ANSI SQL compliant queries will run, and if you mix month-type
and seconds-type intervals then you get an error if you use any operation that
depends on them being comparable (including things like GROUP BY).
> Make interval type camparable and orderable
> -------------------------------------------
>
> Key: SPARK-29679
> URL: https://issues.apache.org/jira/browse/SPARK-29679
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Fix For: 3.0.0
>
>
> {code:sql}
> postgres=# select INTERVAL '9 years 1 months -1 weeks -4 days -10 hours -46
> minutes' > interval '1 s';
> ?column?
> ----------
> t
> (1 row)
> {code}
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