perf: passthrough last stream is SortPreservingMergeStream#23699

rluvaton wants to merge 2 commits into

apache:mainapache/datafusion:mainfrom

rluvaton:passthrough-last-stream-in-sort-preserving-merge-streamrluvaton/datafusion:passthrough-last-stream-in-sort-preserving-merge-streamCopy head branch name to clipboard