avantgardnerio commented on code in PR #3287:
URL: https://github.com/apache/arrow-datafusion/pull/3287#discussion_r957701879
##########
datafusion/optimizer/src/decorrelate_scalar_subquery.rs:
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@@ -702,4 +727,31 @@ mod tests {
assert_optimized_plan_eq(&DecorrelateScalarSubquery::new(), &plan,
expected);
Ok(())
}
+
+ /// Test for non-correlated scalar subquery with no filters
Review Comment:
Should we rename this if it also does uncorrelated subqueries now? Maybe
`scalar_subquery_to_join`?
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