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https://issues.apache.org/jira/browse/SPARK-58205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-58205:
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Labels: pull-request-available (was: )
> Mark JSON/CSV/XML expressions stateful to prevent shared-evaluator data races
> -----------------------------------------------------------------------------
>
> Key: SPARK-58205
> URL: https://issues.apache.org/jira/browse/SPARK-58205
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.5.0, 4.1.0, 4.0.0, 4.2.0, 4.3.0
> Reporter: Vinod KC
> Priority: Major
> Labels: pull-request-available
>
> Seven JSON/CSV/XML expressions (JsonToStructs, GetJsonObject, JsonTuple,
> CsvToStructs, StructsToCsv, XmlToStructs, StructsToXml) maintain mutable
> state in @transient lazy val evaluator fields but do not override stateful.
> As a result, freshCopyIfContainsStatefulExpression() never copies them, so
> when two projections share the same expression node (e.g. via
> ConvertToLocalRelation or pipelined execution), threads race on the shared
> evaluator object and silently corrupt results.
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