fix: fall back to Spark for shuffle/sort/aggregate on non-default collated strings [Spark 4]#4035

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andygrove merged 3 commits intoapache:mainfrom

andygrove:fix-1947-listagg-collation

Apr 24, 2026

Commits on Apr 22, 2026

fix: fall back to Spark for shuffle, sort, and aggregate on non-default collated strings
andygrove
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ci: add CometCollationSuite to pr_build workflows
andygrove
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Commits on Apr 23, 2026

test: tighten CometCollationSuite to pin fallback reasons and add ORDER BY case
andygrove
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