guowei created SPARK-4928:
-----------------------------

             Summary: Operation ">,<,>=,<=" with Decimal report error
                 Key: SPARK-4928
                 URL: https://issues.apache.org/jira/browse/SPARK-4928
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.3.0
            Reporter: guowei


create table test (a Decimal(10,1));
select * from test where a>1;

WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, localhost): 
org.apache.spark.sql.catalyst.errors.package$TreeNodeException: Types do not 
match DecimalType(10,1) != DecimalType(10,0), tree: (input[0] > 1)
        at 
org.apache.spark.sql.catalyst.expressions.Expression.c2(Expression.scala:249)
        at 
org.apache.spark.sql.catalyst.expressions.GreaterThan.eval(predicates.scala:204)
        at 
org.apache.spark.sql.catalyst.expressions.InterpretedPredicate$$anonfun$apply$1.apply(predicates.scala:30)
        at 
org.apache.spark.sql.catalyst.expressions.InterpretedPredicate$$anonfun$apply$1.apply(predicates.scala:30)
        at scala.collection.Iterator$$anon$14.hasNext(Iterator.scala:390)
        at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
        at scala.collection.Iterator$class.foreach(Iterator.scala:727)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
        at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
        at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
        at scala.collection.AbstractIterator.to(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
        at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
        at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
        at org.apache.spark.rdd.RDD$$anonfun$16.apply(RDD.scala:794)
        at org.apache.spark.rdd.RDD$$anonfun$16.apply(RDD.scala:794)
        at 
org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1324)
        at 
org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1324)
        at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
        at org.apache.spark.scheduler.Task.run(Task.scala:56)
        at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:195)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)



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