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https://issues.apache.org/jira/browse/SPARK-34727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17300263#comment-17300263
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Maxim Gekk commented on SPARK-34727:
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I am working on a fix.
> 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: Maxim Gekk
> Priority: Major
>
> 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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