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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:23:22 UTC
[jira] [Updated] (SPARK-17781) datetime is serialized as double
inside dapply()
[ https://issues.apache.org/jira/browse/SPARK-17781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-17781:
---------------------------------
Labels: bulk-closed (was: )
> datetime is serialized as double inside dapply()
> ------------------------------------------------
>
> Key: SPARK-17781
> URL: https://issues.apache.org/jira/browse/SPARK-17781
> Project: Spark
> Issue Type: Bug
> Components: SparkR
> Affects Versions: 2.0.0
> Reporter: Hossein Falaki
> Priority: Major
> Labels: bulk-closed
>
> When we ship a SparkDataFrame to workers for dapply family functions, inside the worker DateTime objects are serialized as double.
> To reproduce:
> {code}
> df <- createDataFrame(data.frame(id = 1:10, date = Sys.Date()))
> dapplyCollect(df, function(x) { return(x$date) })
> {code}
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