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Posted to issues@spark.apache.org by "Anurag Mantripragada (Jira)" <ji...@apache.org> on 2026/10/10 20:20:00 UTC
[jira] [Updated] (SPARK-60075) AAvoid infinite recursion in toString of a V2 expression that V2ExpressionSQLBuilder does not know
[ https://issues.apache.org/jira/browse/SPARK-60075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anurag Mantripragada updated SPARK-60075:
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Summary: AAvoid infinite recursion in toString of a V2 expression that V2ExpressionSQLBuilder does not know (was: Avoid infinite recursion in toString of a V2 expression that V2ExpressionSQLBuilder does not know)
> AAvoid infinite recursion in toString of a V2 expression that V2ExpressionSQLBuilder does not know
> --------------------------------------------------------------------------------------------------
>
> Key: SPARK-60075
> URL: https://issues.apache.org/jira/browse/SPARK-60075
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 5.0.0
> Reporter: Anurag Mantripragada
> Priority: Major
>
> SPARK-59983 fixed the StackOverflowError in toString of a {{GeneralScalarExpression}} with an unknown name. One case remains. A connector PartitionPredicate that overrides neither toString nor describe still recurses: {{V2ExpressionSQLBuilder.visitPartitionPredicate}} returns describe(), which defaults to ExpressionWithToString.toString, which calls build again, until a StackOverflowError.
> A parent such as Not, And or Cast wrapping such a predicate, or a pushdown builder that reaches it, recurses the same way. Spark's own PartitionPredicateImpl overrides toString, so built-in code paths are not affected.
> SPARK-34586 (https://github.com/apache/spark/pull/58153) works around it for DESCRIBE TABLE EXTENDED of a declared write ordering.
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