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[GLUTEN-10741][CH] Invalid results: sort keys contains partition keys when get windows' topK#10746

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lgbo-ustc merged 1 commit intoapache:mainfrom
bigo-sg:bug_topk_0917
Sep 22, 2025
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[GLUTEN-10741][CH] Invalid results: sort keys contains partition keys when get windows' topK#10746
lgbo-ustc merged 1 commit intoapache:mainfrom
bigo-sg:bug_topk_0917

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What changes are proposed in this pull request?

Fix #10741. When the sort keys contains a partition keys, the GroupLimit operator may generate incorrect data due to improper aggregation key generation.

How was this patch tested?

test by UTs

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#10741

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Run Gluten Clickhouse CI on x86

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Run Gluten Clickhouse CI on x86

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Run Gluten Clickhouse CI on x86

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Run Gluten Clickhouse CI on x86

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Run Gluten Clickhouse CI on x86

@lgbo-ustc lgbo-ustc merged commit a1edfaf into apache:main Sep 22, 2025
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[CH] A bug inGrroupLimit which causes empty aggregating keys

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