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https://issues.apache.org/jira/browse/SPARK-51421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17941721#comment-17941721
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Max Gekk commented on SPARK-51421:
----------------------------------
The function shall return seconds without fractions. It is equivalent to
*int(extract(SECOND FROM expr))*.
> Get seconds of time
> -------------------
>
> Key: SPARK-51421
> URL: https://issues.apache.org/jira/browse/SPARK-51421
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Max Gekk
> Priority: Minor
> Labels: pull-request-available
>
> Modify the second() function to returns the second component of the time expr.
> h4. Syntax
> {code:sql}
> second(expr)
> {code}
> h4. Arguments
> {code:sql}
> expr: A TIME expression.
> {code}
> h4. Returns
> An INTEGER.
> h4. Examples
> {code:sql}
> > SELECT second(TIME'12:58:59');
> 59
> {code}
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