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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2020/02/23 09:05:00 UTC

[jira] [Created] (SPARK-30925) Overflow/round errors in conversions of milliseconds to/from microseconds

Maxim Gekk created SPARK-30925:
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             Summary: Overflow/round errors in conversions of milliseconds to/from microseconds
                 Key: SPARK-30925
                 URL: https://issues.apache.org/jira/browse/SPARK-30925
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Maxim Gekk


Spark has special methods in DataTimeUtils for converting microseconds from/to milliseconds - `fromMillis` and `toMillis()`. The methods handle arithmetic overflow and round negative values. The ticket aims to review all places in Spark SQL where microseconds are converted from/to milliseconds, and replace them by util methods from DateTimeUtils.



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