dongjoon-hyun commented on a change in pull request #24092: [SPARK-27160][SQL] 
Fix DecimalType literal casting
URL: https://github.com/apache/spark/pull/24092#discussion_r265782742
 
 

 ##########
 File path: 
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFilters.scala
 ##########
 @@ -136,10 +137,7 @@ private[sql] object OrcFilters {
     case FloatType | DoubleType =>
       value.asInstanceOf[Number].doubleValue()
     case _: DecimalType =>
-      val decimal = value.asInstanceOf[java.math.BigDecimal]
-      val decimalWritable = new HiveDecimalWritable(decimal.longValue)
-      decimalWritable.mutateEnforcePrecisionScale(decimal.precision, 
decimal.scale)
 
 Review comment:
   @sadhen and @cloud-fan .
   Yes, Line 140 was the bug and `mutateEnforcePrecisionScale` just amended the 
scale and precision. We can remove this in the new code.

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