Eric Yang created SPARK-57335:
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Summary: element_at fails with internal error on Int.MinValue index
Key: SPARK-57335
URL: https://issues.apache.org/jira/browse/SPARK-57335
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 5.0.0
Reporter: Eric Yang
{*}Issue{*}:
element_at(arr, Int.MinValue) leaks an internal IndexOutOfBoundsException
instead of returning NULL (non-ANSI) or raising
INVALID_ARRAY_INDEX_IN_ELEMENT_AT (ANSI). try_element_at also throws, violating
its no-throw contract.
The exception:
{code:java}
java.lang.IndexOutOfBoundsException: -2147483645
at scala.collection.LinearSeqOps.apply(LinearSeq.scala:129)
at scala.collection.LinearSeqOps.apply$(LinearSeq.scala:128)
at scala.collection.immutable.List.apply(List.scala:79)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.nullability(collectionOperations.scala:2703)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.$anonfun$nullable$4(collectionOperations.scala:2712)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.$anonfun$nullable$4$adapted(collectionOperations.scala:2712)
at
org.apache.spark.sql.catalyst.expressions.GetArrayItemUtil.computeNullabilityFromArray(complexTypeExtractors.scala:447)
at
org.apache.spark.sql.catalyst.expressions.GetArrayItemUtil.computeNullabilityFromArray$(complexTypeExtractors.scala:437)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.computeNullabilityFromArray(collectionOperations.scala:2624)
at
org.apache.spark.sql.catalyst.expressions.ElementAt.nullable(collectionOperations.scala:2712)
at
org.apache.spark.sql.catalyst.expressions.Alias.toAttribute(namedExpressions.scala:206)
... {code}
*Repro:*
{code:sql}
SELECT element_at(array(1,2,3), -2147483648); -- expected NULL, throws
SELECT try_element_at(array(1,2,3), -2147483648); -- must never throw, throws
{code}
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