jonathanc-n commented on code in PR #20904:
URL: https://github.com/apache/datafusion/pull/20904#discussion_r2927660654
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datafusion/physical-plan/src/joins/utils.rs:
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@@ -697,6 +710,78 @@ fn estimate_disjoint_inputs(
None
}
+/// Estimates the number of outer rows that have at least one matching
Review Comment:
Yes I think we can look into what trino did, I think they had something for
this, but the postgres approach makes sense
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