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From "Maxim Gekk (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-32637) SPARK SQL JDBC truncates last value of seconds for datetime2 values for Azure SQL DB
Date Tue, 01 Sep 2020 11:56:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-32637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17188384#comment-17188384
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Maxim Gekk commented on SPARK-32637:
------------------------------------

Spark's TIMESTAMP type has microsecond precision. This is by design and it is not a bug.

> SPARK SQL JDBC truncates last value of seconds for datetime2 values for Azure SQL DB

> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-32637
>                 URL: https://issues.apache.org/jira/browse/SPARK-32637
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.4.1
>            Reporter: Mohit Dave
>            Priority: Major
>
> SPARK jdbc is truncating TIMESTAMP values for the microsecond when datetime2 datatype
is used for Microsoft SQL Server JDBC driver.
>  
> Source data(datetime2) : '2007-08-08 12:35:29.1234567'
>  
> After loading to target using SPARK dataframes
>  
> Target data(datetime2) : '2007-08-08 12:35:29.1234560'
>  



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