[8.x] Fix TopN row size estimate (#119476)#119544
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elasticsearchmachine merged 1 commit intoelastic:8.xfrom Jan 3, 2025
Merged
[8.x] Fix TopN row size estimate (#119476)#119544elasticsearchmachine merged 1 commit intoelastic:8.xfrom
elasticsearchmachine merged 1 commit intoelastic:8.xfrom
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Currently, we only account for attributes after the TopN operation when estimating its row size. This results in invalid estimates for the final TopN on the coordinator and the node-level reduction TopN. This change corrects the estimates and removes the workaround, paving the way for enabling node-level reduction in ES|QL. Closes elastic#106956
dnhatn
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:Analytics/ES|QL
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Backports the following commits to 8.x: