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https://issues.apache.org/jira/browse/SPARK-6875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-6875.
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Resolution: Won't Fix
Although Joda is a pretty standard lib, it's also one of many third party
libraries. Yes, the JDK has its own SQL-specific time types which are
supported. Supporting others opens a bit of a can of worms, and you can always
transform to the supported type. Also, Joda is in the JDK now anyway.
> Add support for Joda-time types
> -------------------------------
>
> Key: SPARK-6875
> URL: https://issues.apache.org/jira/browse/SPARK-6875
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Patrick Grandjean
>
> The need comes from the following use case:
> val objs: RDD[MyClass] = [...]
> val sqlC = new org.apache.spark.sql.SQLContext(sc)
> import sqlC._
> objs.saveAsParquetFile("parquet")
> MyClass contains joda-time fields. When saving to parquet file, an exception
> is thrown (matchError in ScalaReflection.scala).
> Spark SQL supports java SQL date/time types. This request is to add support
> for Joda-time types.
> It is possible to define UDT's using the @SQLUserDefinedType annotation.
> However, in addition to annotations, it would be nice to be able to
> programmatically/dynamically add UDTs.
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