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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/10/31 14:52:58 UTC

[jira] [Assigned] (SPARK-18179) Throws analysis exception with a proper message for unsupported argument types in reflect/java_method function

     [ https://issues.apache.org/jira/browse/SPARK-18179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-18179:
------------------------------------

    Assignee: Apache Spark

> Throws analysis exception with a proper message for unsupported argument types in reflect/java_method function
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-18179
>                 URL: https://issues.apache.org/jira/browse/SPARK-18179
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Hyukjin Kwon
>            Assignee: Apache Spark
>            Priority: Minor
>
> {code}
> scala> spark.range(1).selectExpr("reflect('java.lang.String', 'valueOf', cast('1990-01-01' as timestamp))")
> {code}
> throws an exception as below:
> {code}
> java.util.NoSuchElementException: key not found: TimestampType
>   at scala.collection.MapLike$class.default(MapLike.scala:228)
>   at scala.collection.AbstractMap.default(Map.scala:59)
>   at scala.collection.MapLike$class.apply(MapLike.scala:141)
>   at scala.collection.AbstractMap.apply(Map.scala:59)
>   at org.apache.spark.sql.catalyst.expressions.CallMethodViaReflection$$anonfun$findMethod$1$$anonfun$apply$1.apply(CallMethodViaReflection.scala:159)
>   at org.apache.spark.sql.catalyst.expressions.CallMethodViaReflection$$anonfun$findMethod$1$$anonfun$apply$1.apply(CallMethodViaReflection.scala:158)
>   at scala.collection.IndexedSeqOptimized$class.prefixLengthImpl(IndexedSeqOptimized.scala:38)
> {code}
> We should throw analysis exception with a better message when the types are unsupported rather than {{java.util.NoSuchElementException: key not found: TimestampType}}.



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