zhuqi-lucas commented on PR #22518:
URL: https://github.com/apache/datafusion/pull/22518#issuecomment-4667526709
Thank you @alamb and @2010YOUY01 both for the thoughtful feedback.
Since #22710 is actively dismantling `row_hash.rs` (with #22729 already
landed), I'd rather wait for the migration to stabilize and then apply
this optimization directly on the new dedicated aggregation stream,
where the sampling stage can be cleanly decoupled from the main
execution path.
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