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Null-named attribute fails Arrow export with "field name cannot be null" #6802

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Null-named attribute fails Arrow export with "field name cannot be null"#6802
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area:ffiArrow FFI / JNI boundarybugSomething isn't workingpriority:mediumFunctional bugs, performance regressions, broken featuresspark sql testsSpark SQL test failures

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@andygrove
andygrove
opened on Oct 8, 2026

Found while enabling spark.comet.exec.localTableScan.enabled by default in draft PR #6780 (Spark 4.1 SQL tests and [scans] job). Part of #4347.

SPARK-57725 "resolve columns when the input plan has a null-named attribute". StructVectorLoader NPE during exportVectorSchemaRoot from CometLocalTableScan.

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area:ffiArrow FFI / JNI boundarybugSomething isn't workingpriority:mediumFunctional bugs, performance regressions, broken featuresspark sql testsSpark SQL test failures

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