Alex Wajda created SPARK-24348:
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Summary: scala.MatchError in the "element_at" expression
Key: SPARK-24348
URL: https://issues.apache.org/jira/browse/SPARK-24348
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.4.0
Reporter: Alex Wajda
Fix For: 2.4.0
When calling {{element_at}} with a wrong first operand type a
{{scala.MatchError}} is thrown instead of {{AnalysisException}}
*Example:*
{code:sql}
select element_at('foo', 1)
{code}
results in:
{noformat}
scala.MatchError: StringType (of class org.apache.spark.sql.types.StringType$)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.inputTypes(collectionOperations.scala:1469)
at
org.apache.spark.sql.catalyst.expressions.ExpectsInputTypes$class.checkInputDataTypes(ExpectsInputTypes.scala:44)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.checkInputDataTypes(collectionOperations.scala:1478)
at
org.apache.spark.sql.catalyst.expressions.Expression.resolved$lzycompute(Expression.scala:168)
at
org.apache.spark.sql.catalyst.expressions.Expression.resolved(Expression.scala:168)
at
org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveAliases$$anonfun$org$apache$spark$sql$catalyst$analysis$Analyzer$ResolveAliases$$assignAliases$1$$anonfun$apply$3.applyOrElse(Analyzer.scala:256)
at
org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveAliases$$anonfun$org$apache$spark$sql$catalyst$analysis$Analyzer$ResolveAliases$$assignAliases$1$$anonfun$apply$3.applyOrElse(Analyzer.scala:252)
at
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:289)
at
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:289)
at
org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:70)
at
org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:288)
{noformat}
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