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https://issues.apache.org/jira/browse/SPARK-34727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-34727.
----------------------------------
    Fix Version/s: 3.2.0
         Assignee: Max Gekk
       Resolution: Fixed

Fixed in https://github.com/apache/spark/pull/31819

> Difference in results of casting float to timestamp
> ---------------------------------------------------
>
>                 Key: SPARK-34727
>                 URL: https://issues.apache.org/jira/browse/SPARK-34727
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Max Gekk
>            Assignee: Max Gekk
>            Priority: Major
>             Fix For: 3.2.0
>
>
> The code below portraits the issue:
> {code:sql}
> spark-sql> CREATE TEMP VIEW v1 AS SELECT 16777215.0f AS f;
> spark-sql> SELECT * FROM v1;
> 1.6777215E7
> spark-sql> SELECT CAST(f AS TIMESTAMP) FROM v1;
> 1970-07-14 07:20:15
> spark-sql> CACHE TABLE v1;
> spark-sql> SELECT * FROM v1;
> 1.6777215E7
> spark-sql> SELECT CAST(f AS TIMESTAMP) FROM v1;
> 1970-07-14 07:20:14.951424
> {code}
> The result from the cached view *1970-07-14 07:20:14.951424* is different 
> from un-cached view *1970-07-14 07:20:15*.



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