[jira] [Updated] (SPARK-25130) [Python] Wrong timestamp returned by toPandas

["Anton Daitche (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-25130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Daitche updated SPARK-25130:
----------------------------------
    Summary: [Python] Wrong timestamp returned by toPandas  (was: Wrong timestamp returned by toPandas)

> [Python] Wrong timestamp returned by toPandas
> ---------------------------------------------
>
>                 Key: SPARK-25130
>                 URL: https://issues.apache.org/jira/browse/SPARK-25130
>             Project: Spark
>          Issue Type: Bug
>          Components: Input/Output
>    Affects Versions: 2.3.0, 2.3.1
>         Environment: Tested with version 2.3.1 on OSX and 2.3.0 on Linux.
>            Reporter: Anton Daitche
>            Priority: Major
>
> The code snippet
> {code:java}
> import datetime
> df = spark.createDataFrame([(datetime.datetime(1901, 1, 1, 0, 0, 0),)], ["ts"])
> print("collect:", df.collect()[0][0])
> print("toPandas:", df.toPandas().iloc[0, 0])
>  {code}
> prints
> {code:java}
> collect: 1901-01-01 00:00:00
> toPandas: 1900-12-31 23:53:00{code}
> Hence the toPandas methods seems to convert the timestamp wrongly.
> The problem disappears for "1902-01-01 00:00:00" and later dates (I didn't do an exhaustive test though).



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