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Date: Tue, 18 Oct 2016 15:33:58 +0000 (UTC)
From: "Hyukjin Kwon (JIRA)" <jira@apache.org>
To: issues@spark.apache.org
Message-ID: <JIRA.13013227.1476804832000.17454.1476804838422@Atlassian.JIRA>
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Subject: [jira] [Created] (SPARK-17989) Check ascendingOrder type in
 sort_array function ahead
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archived-at: Tue, 18 Oct 2016 15:34:00 -0000

Hyukjin Kwon created SPARK-17989:
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             Summary: Check ascendingOrder type in sort_array function ahead
                 Key: SPARK-17989
                 URL: https://issues.apache.org/jira/browse/SPARK-17989
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Hyukjin Kwon
            Priority: Trivial


{code}
spark-sql> SELECT sort_array(array('b', 'd', 'c', 'a'), '1');
16/10/19 00:28:54 ERROR SparkSQLDriver: Failed in [SELECT sort_array(array('b', 'd', 'c', 'a'), '1')]
java.lang.ClassCastException: org.apache.spark.unsafe.types.UTF8String cannot be cast to java.lang.Boolean
	at scala.runtime.BoxesRunTime.unboxToBoolean(BoxesRunTime.java:85)
	at org.apache.spark.sql.catalyst.expressions.SortArray.nullSafeEval(collectionOperations.scala:185)
	at org.apache.spark.sql.catalyst.expressions.BinaryExpression.eval(Expression.scala:416)
	at org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:50)
	at org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:43)
{code}

I guess we should also check this in `checkInputDataTypes`.


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