alamb commented on code in PR #3482:
URL: https://github.com/apache/arrow-datafusion/pull/3482#discussion_r973573703
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datafusion/core/src/execution/context.rs:
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@@ -1437,6 +1438,7 @@ impl SessionState {
Arc::new(ScalarSubqueryToJoin::new()),
Arc::new(SubqueryFilterToJoin::new()),
Arc::new(EliminateFilter::new()),
+ Arc::new(ReduceCrossJoin::new()),
Review Comment:
I agree that a static ordering is likely to produce non optimal plans in
some cases. Running in a loop until a "fixed point" is a reasonable however,
then there is a danger of optimizer ping-pong (aka one optimizer pass makes a
change and then the other undoes it)
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