Dandandan commented on PR #15380: URL: https://github.com/apache/datafusion/pull/15380#issuecomment-2804057064
A more complete rationale / explanation of the same idea was written here by @2010YOUY01 https://github.com/apache/datafusion/issues/15375#issuecomment-2747654525 > An alternative to try to avoid copies is: first sort all elements' indices (2-level index consists of (batch_idx, row_idx)), and get a permutation array. Use the interleave kernel to construct the final result https://docs.rs/arrow/latest/arrow/compute/kernels/interleave/fn.interleave.html -- 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 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
