test: support fallback chain in CometPlanStabilitySuite, dedupe existing goldens#4129

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andygrove merged 3 commits intoapache:mainfrom

andygrove:plan-stability-fallback-chain

Apr 30, 2026

Commits on Apr 28, 2026

test: support golden-file fallback chain in CometPlanStabilitySuite
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test: dedupe existing TPC-DS plan-stability goldens against fallback chain
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Commits on Apr 30, 2026

Merge remote-tracking branch 'apache/main' into plan-stability-fallback-chain
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