It might be a problem when inserting into a partitioned table. It worked
fine to when the target table was unpartitioned.

Can you confirm this?

Thanks,
Du



On 9/26/14, 4:48 PM, "Du Li" <l...@yahoo-inc.com.INVALID> wrote:

>Hi,
>
>I was loading data into a partitioned table on Spark 1.1.0
>beeline-thriftserver. The table has complex data types such as map<string,
>string> and array<map<string,string>>. The query is like ³insert overwrite
>table a partition (Š) select Š² and the select clause worked if run
>separately. However, when running the insert query, there was an error as
>follows.
>
>The source code of Cast.scala seems to only handle the primitive data
>types, which is perhaps why the MatchError was thrown.
>
>I just wonder if this is still work in progress, or I should do it
>differently.
>
>Thanks,
>Du
>
>
>----
>scala.MatchError: MapType(StringType,StringType,true) (of class
>org.apache.spark.sql.catalyst.types.MapType)
>        
>org.apache.spark.sql.catalyst.expressions.Cast.cast$lzycompute(Cast.scala:
>2
>47)
>        
>org.apache.spark.sql.catalyst.expressions.Cast.cast(Cast.scala:247)
>        
>org.apache.spark.sql.catalyst.expressions.Cast.eval(Cast.scala:263)
>        
>org.apache.spark.sql.catalyst.expressions.Alias.eval(namedExpressions.scal
>a
>:84)
>        
>org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.app
>l
>y(Projection.scala:66)
>        
>org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.app
>l
>y(Projection.scala:50)
>        scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>        scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>        
>org.apache.spark.sql.hive.execution.InsertIntoHiveTable.org$apache$spark$s
>q
>l$hive$execution$InsertIntoHiveTable$$writeToFile$1(InsertIntoHiveTable.sc
>a
>la:149)
>        
>org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$saveAsHiv
>e
>File$1.apply(InsertIntoHiveTable.scala:158)
>        
>org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$saveAsHiv
>e
>File$1.apply(InsertIntoHiveTable.scala:158)
>        org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
>        org.apache.spark.scheduler.Task.run(Task.scala:54)
>        
>org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177)
>        
>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:
>1
>145)
>        
>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java
>:
>615)
>        java.lang.Thread.run(Thread.java:722)
>
>
>
>
>
>
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