[
https://issues.apache.org/jira/browse/SPARK-17781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hossein Falaki updated SPARK-17781:
-----------------------------------
Description:
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$date)
})
{{code}}
was:
When we ship a SparkDataFrame to workers for dapply family functions, inside
the worker DateTime objects are serialized as double.
To reproduce:
{{code}}
df <- createDataFrame(data.frame(id = 1:10, date = Sys.Date()))
dapplyCollect(df, function( x ) { return(x$date) })
{{code}}
> 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: 2.0.1
> Reporter: Hossein Falaki
>
> 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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