feat: make broadcast_join_threshold_bytes/rows authoritative under AQE and the static planner#2086

Merged

andygrove merged 7 commits into

apache:mainfrom

andygrove:feat/aqe-broadcast-join-threshold

Jul 18, 2026

Commits on Jul 17, 2026

feat: make AQE respect broadcast_join_threshold_bytes
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feat: add Ballista broadcast_join_threshold_rows and use it in AQE
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fix: default broadcast_join_threshold_rows to 1M to match existing behavior
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refactor: derive new_with_ballista join thresholds from Ballista config defaults
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feat: demote DataFusion CollectLeft joins over the Ballista threshold
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docs: apply prettier formatting to AQE tuning-guide table
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test: disable AQE broadcast via Ballista threshold in repartition tests
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