2010YOUY01 commented on issue #11628: URL: https://github.com/apache/datafusion/issues/11628#issuecomment-2249955751
> Benchmark this implement on ClickBench Q20: > > ```sql > SELECT COUNT(*) FROM hits WHERE "URL" LIKE '%google%'; > ``` > > The performance is slower by about 20%. This benchmark is a great inspiration, I think this query has low selectivity and processed strings are longer, so it's preferred to do early `GC` and extra copies of views's influence are not dominant. And the goal is to find a strategy to work for all possible cases: low/high selectivity filter + short/long string. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
