[jira] [Commented] (SPARK-24545) Function hour not working as expected for hour 2 in PySpark
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https://issues.apache.org/jira/browse/SPARK-24545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16511003#comment-16511003
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Eric Blanco commented on SPARK-24545:
-
!image-2018-06-13-13-52-06-165.png!
In Scala this does not happens! In PySpark it does say hour 3 instead of 2:
!image-2018-06-13-13-53-21-185.png!
> Function hour not working as expected for hour 2 in PySpark
> ---
>
> Key: SPARK-24545
> URL: https://issues.apache.org/jira/browse/SPARK-24545
> Project: Spark
> Issue Type: Bug
> Components: Java API
>Affects Versions: 2.2.1
>Reporter: Eric Blanco
>Priority: Minor
> Attachments: image-2018-06-13-13-52-06-165.png,
> image-2018-06-13-13-53-21-185.png
>
>
> Hello,
> I tried to get the hour out of a date and it works except if the hour is 2.
> It works well in Scala but in PySpark it shows hour 3 instead of hour 2.
> Example:
> {code:java}
> from pyspark.sql.functions import *
> columns = ["id","date"]
> vals = [(4,"2016-03-27 02:00:00")]
> df = sqlContext.createDataFrame(vals, columns)
> df.withColumn("hours", hour(col("date"))).show(){code}
> |id|date|hours|
> |4|2016-03-27 2:00:00|3|
> It works as expected for other hours.
> Also, if you change the year or month apparently it works well.
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[jira] [Commented] (SPARK-24545) Function hour not working as expected for hour 2 in PySpark
[
https://issues.apache.org/jira/browse/SPARK-24545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16510999#comment-16510999
]
Eric Blanco commented on SPARK-24545:
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Ok apparenlty this is due to a change of hour that was that day form 2 AM to 3
AM in Europe :)
> Function hour not working as expected for hour 2 in PySpark
> ---
>
> Key: SPARK-24545
> URL: https://issues.apache.org/jira/browse/SPARK-24545
> Project: Spark
> Issue Type: Bug
> Components: Java API
>Affects Versions: 2.2.1
>Reporter: Eric Blanco
>Priority: Minor
>
> Hello,
> I tried to get the hour out of a date and it works except if the hour is 2.
> It works well in Scala but in PySpark it shows hour 3 instead of hour 2.
> Example:
> {code:java}
> from pyspark.sql.functions import *
> columns = ["id","date"]
> vals = [(4,"2016-03-27 02:00:00")]
> df = sqlContext.createDataFrame(vals, columns)
> df.withColumn("hours", hour(col("date"))).show(){code}
> |id|date|hours|
> |4|2016-03-27 2:00:00|3|
> It works as expected for other hours.
> Also, if you change the year or month apparently it works well.
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