[Backport] topn with granularity regression fixes #17580
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* topn with granularity regression fixes changes: * fix issue where topN with query granularity other than ALL would use the heap algorithm when it was actual able to use the pooled algorithm, and incorrectly used the pool algorithm in cases where it must use the heap algorithm, a regression from apache#16533 * fix issue where topN with query granularity other than ALL could incorrectly process values in the wrong time bucket, another regression from apache#16533 * move defensive check outside of loop * more test * extra layer of safety * move check outside of loop * fix spelling * add query context parameter to allow using pooled algorithm for topN when multi-passes is required even wihen query granularity is not all * add comment, revert IT context changes and add new context flag
cryptoe
approved these changes
Dec 18, 2024
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Backport of #17565 to 31.0.1.