Dandandan opened a new issue, #13586: URL: https://github.com/apache/datafusion/issues/13586
### Is your feature request related to a problem or challenge? Query 8 in db-benchmark is slower than other queries https://github.com/MrPowers/mrpowers-benchmarks The query is as follows ```sql select id6, largest2_v3 from (select id6, v3 as largest2_v3, row_number() over (partition by id6 order by v3 desc) as order_v3 from x where v3 is not null) sub_query where order_v3 <= 2 ``` ### Describe the solution you'd like * Profile / analyze this query * Improve performance It might be the part `row_number() over (partition by id6 order by v3 desc)` or rather the sorting is the most expensive. ` ### Describe alternatives you've considered _No response_ ### Additional context _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org
