Dandandan opened a new issue, #13642: URL: https://github.com/apache/datafusion/issues/13642
### Is your feature request related to a problem or challenge? Currently `SortPreservingMergeStream` converts column to row-format even when sorting a single column. We can optimize `SortPreservingMergeStream` to not do this when the sort expression is a single column, which avoids the conversion and makes comparisons faster. ### Describe the solution you'd like Optimize the `SortPreservingMergeStream` for single column sorts, only converting to row-format when dealing with multi-column sorts. ### Describe alternatives you've considered _No response_ ### Additional context This should be beneficial for many queries, e.g. https://github.com/apache/datafusion/issues/13586 -- 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]
