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https://issues.apache.org/jira/browse/SPARK-36022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17376334#comment-17376334
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dgd_contributor commented on SPARK-36022:
-----------------------------------------
as they are calendarInterval, which is presented by months, days and
microseconds, I think "2021 years" is equal to "2021 years and 0 months", why
the last command should fail?
> Respect interval fields in extract
> ----------------------------------
>
> Key: SPARK-36022
> URL: https://issues.apache.org/jira/browse/SPARK-36022
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Max Gekk
> Priority: Major
>
> Extract should process only existing fields of interval types. For example:
> {code:sql}
> spark-sql> SELECT EXTRACT(MONTH FROM INTERVAL '2021-11' YEAR TO MONTH);
> 11
> spark-sql> SELECT EXTRACT(MONTH FROM INTERVAL '2021' YEAR);
> 0
> {code}
> The last command should fail as the month field doesn't present in INTERVAL
> YEAR.
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