Ngone51 opened a new pull request #27556: [SPARK-25990] ScriptTransform should 
handle different data types correctly
URL: https://github.com/apache/spark/pull/27556
 
 
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   ### What changes were proposed in this pull request?
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   We should convert Spark InternalRows to hive data via 
`HiveInspectors.wrapperFor`.
   
   ### Why are the changes needed?
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   We may hit below exception without this change:
   
   ```
   [info]    org.apache.spark.SparkException: Job aborted due to stage failure: 
Task 0 in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 
1.0 (TID 1, 192.168.1.6, executor driver): java.lang.ClassCastException: 
org.apache.spark.sql.types.Decimal cannot be cast to 
org.apache.hadoop.hive.common.type.HiveDecimal
   [info]       at 
org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaHiveDecimalObjectInspector.getPrimitiveJavaObject(JavaHiveDecimalObjectInspector.java:55)
   [info]       at 
org.apache.hadoop.hive.serde2.lazy.LazyUtils.writePrimitiveUTF8(LazyUtils.java:321)
   [info]       at 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.serialize(LazySimpleSerDe.java:292)
   [info]       at 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.serializeField(LazySimpleSerDe.java:247)
   [info]       at 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.doSerialize(LazySimpleSerDe.java:231)
   [info]       at 
org.apache.hadoop.hive.serde2.AbstractEncodingAwareSerDe.serialize(AbstractEncodingAwareSerDe.java:55)
   [info]       at 
org.apache.spark.sql.hive.execution.ScriptTransformationWriterThread.$anonfun$run$2(ScriptTransformationExec.scala:300)
   [info]       at 
org.apache.spark.sql.hive.execution.ScriptTransformationWriterThread.$anonfun$run$2$adapted(ScriptTransformationExec.scala:281)
   [info]       at scala.collection.Iterator.foreach(Iterator.scala:941)
   [info]       at scala.collection.Iterator.foreach$(Iterator.scala:941)
   [info]       at 
scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
   [info]       at 
org.apache.spark.sql.hive.execution.ScriptTransformationWriterThread.$anonfun$run$1(ScriptTransformationExec.scala:281)
   [info]       at 
scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
   [info]       at 
org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1932)
   [info]       at 
org.apache.spark.sql.hive.execution.ScriptTransformationWriterThread.run(ScriptTransformationExec.scala:270)
   ```
   
   
   ### Does this PR introduce any user-facing change?
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   No.
   
   ### How was this patch tested?
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   Added new test.

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