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Posted to github@datafusion.apache.org by "andygrove (via GitHub)" <gi...@apache.org> on 2026/10/08 19:25:01 UTC
[I] CometIcebergWriteDetectionSuite assumes a split Iceberg write plan [datafusion-comet]
andygrove opened a new issue, #6803:
URL: https://github.com/apache/datafusion-comet/issues/6803
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.
5 tests fail in the Spark 4.1 [scans] job because a LocalTableScan-sourced write is now fully native (CometIcebergWrite over CometLocalTableScan) instead of IcebergWriteExec. Tests: "registration tags a fall-back reason on the write exec", "SparkWrite reflection helpers all resolve...", "no fall-back reason is recorded when the iceberg write feature is disabled", "fall-back: BatchWrite that is not an Iceberg SparkWrite", "Compatible when every partition field is void...". Related to #6664. Once default-on, the explicit localTableScan.enabled in docs and Iceberg diffs becomes redundant.
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Re: [I] CometIcebergWriteDetectionSuite assumes a split Iceberg write plan [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove closed issue #6803: CometIcebergWriteDetectionSuite assumes a split Iceberg write plan
URL: https://github.com/apache/datafusion-comet/issues/6803
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