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https://issues.apache.org/jira/browse/SPARK-31654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17102421#comment-17102421
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Ankit Raj Boudh commented on SPARK-31654:
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[~roman_y], I will raise pr for this.
> sequence producing inconsistent intervals for month step
> --------------------------------------------------------
>
> Key: SPARK-31654
> URL: https://issues.apache.org/jira/browse/SPARK-31654
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4
> Reporter: Roman Yalki
> Priority: Major
>
> Taking an example from [https://spark.apache.org/docs/latest/api/sql/]
> {code:java}
> > SELECT sequence(to_date('2018-01-01'), to_date('2018-03-01'), interval 1
> > month);{code}
> [2018-01-01,2018-02-01,2018-03-01]
> if one is to expand `stop` till the end of the year some intervals are
> returned as the last day of the month whereas first day of the month is
> expected
> {code:java}
> > SELECT sequence(to_date('2018-01-01'), to_date('2019-01-01'), interval 1
> > month){code}
> [2018-01-01, 2018-02-01, 2018-03-01, *2018-03-31, 2018-04-30, 2018-05-31,
> 2018-06-30, 2018-07-31, 2018-08-31, 2018-09-30, 2018-10-31*, 2018-12-01,
> 2019-01-01]
>
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