alamb commented on PR #7192: URL: https://github.com/apache/arrow-datafusion/pull/7192#issuecomment-1673736064
FWIW I am working on a generic TopK operator (for `ORDER BY / LIMIT`) in https://github.com/apache/arrow-datafusion/pull/7250 One of the things I will eventually need there a Max/Max Heap that has the properties you are describing, so I look forward to seeing how you do it too (depending on the timeline I may try and hack up a version for myself as well) BTW I think to truly achieve no allocations we will need to extend the arrow_row API to reuse existing `Row` (owned rows). But I have a lot of work to do before I am sure the owned row is the problem -- 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]
