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https://issues.apache.org/jira/browse/SPARK-17989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-17989.
---------------------------------
Resolution: Fixed
Assignee: Hyukjin Kwon
Fix Version/s: 2.1.0
2.0.2
> 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
> Assignee: Hyukjin Kwon
> Priority: Trivial
> Fix For: 2.0.2, 2.1.0
>
>
> {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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