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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