perf: track BoundedWindowAggExec Linear-mode watermark once per stream - #24033

perf: track BoundedWindowAggExec Linear-mode watermark once per stream#24033

Dandandan merged 2 commits into

apache:mainapache/datafusion:mainfrom

neilconway:neilc/perf-window-shared-watermarkneilconway/datafusion:neilc/perf-window-shared-watermarkCopy head branch name to clipboard