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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2016/06/26 05:54:33 UTC

[jira] [Created] (SPARK-16216) CSV data source does not write date and timestamp correctly

Hyukjin Kwon created SPARK-16216:
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             Summary: CSV data source does not write date and timestamp correctly
                 Key: SPARK-16216
                 URL: https://issues.apache.org/jira/browse/SPARK-16216
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Hyukjin Kwon
            Priority: Minor


Currently, CSV data source write {{DateType}} and {{TimestampType}} as below:

{code}
+----------------+
|            date|
+----------------+
|1440637200000000|
|1414459800000000|
|1454040000000000|
+----------------+
{code}

It would be nicer if it write dates and timestamps as a formatted string just like JSON data sources.

Also, CSV data source currently supports {{dateFormat}} option to read dates and timestamps in a custom format. It might be better if this option can be applied in writing as well.



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