alamb commented on code in PR #8779:
URL: https://github.com/apache/arrow-datafusion/pull/8779#discussion_r1445269434
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datafusion/physical-expr/src/aggregate/count_distinct.rs:
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@@ -83,6 +83,11 @@ macro_rules! float_distinct_count_accumulator {
}};
}
+/// Returns the estimated number of hashbrown hashtables is likely to come up
again
Review Comment:
More context is here:
https://github.com/apache/arrow-datafusion/pull/8721#discussion_r1441672719
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