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Posted to github@datafusion.apache.org by "dwsmith1983 (via GitHub)" <gi...@apache.org> on 2026/09/11 16:00:01 UTC

Re: [I] Natively support time-window grouping expressions: window, session_window, window_time [datafusion-comet]

dwsmith1983 commented on issue #4553:
URL: https://github.com/apache/datafusion-comet/issues/4553#issuecomment-5637149401

   Two of the three landed in #4784 (f994b2359): batch tumbling and sliding `window(...)` grouping and `window_time` now run natively, and docs/source/user-guide/latest/expressions.md lists both as supported. What remains is `session_window`, which needs a native `UpdatingSessionsExec`/`MergingSessionsExec` and is already tracked on its own in #4785, also referenced from the `session_window` row of the same doc. Since the remaining work has a dedicated issue, suggest closing this one in favor of #4785.
   


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