ctsk opened a new pull request, #18044: URL: https://github.com/apache/datafusion/pull/18044
## Which issue does this PR close? - Closes https://github.com/apache/datafusion/issues/17897 ## What changes are included in this PR? This PR replaces the `locations` vector used to reduce the number of allocations / resizes in the accumulator with. a HashMap instead. ## Are these changes tested? Not in particular. Additional unit-tests and broader regression testing would be useful. A microbenchmark verifies that the runtime is no longer quadratic. ## Are there any user-facing changes? No. -- 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]
