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https://issues.apache.org/jira/browse/SPARK-28324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882288#comment-16882288
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Sean Owen commented on SPARK-28324:
-----------------------------------
I don't think we should change this as it will break code and there isn't a
'standard' here AFAICT. As you say, Hive treats this as log base e, as does
Java, Scala, etc. You can add log10() etc.
> The LOG function using 10 as the base, but Spark using E
> --------------------------------------------------------
>
> Key: SPARK-28324
> URL: https://issues.apache.org/jira/browse/SPARK-28324
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> Spark SQL:
> {code:sql}
> spark-sql> select log(10);
> 2.302585092994046
> {code}
> PostgreSQL:
> {code:sql}
> postgres=# select log(10);
> log
> -----
> 1
> (1 row)
> {code}
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