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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/10/11 11:04:49 UTC

[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #3764: Fix optimizer regression with simplifying expressions in subquery filters

alamb commented on code in PR #3764:
URL: https://github.com/apache/arrow-datafusion/pull/3764#discussion_r992175622


##########
datafusion/optimizer/src/optimizer.rs:
##########
@@ -144,6 +144,10 @@ impl Optimizer {
             Arc::new(DecorrelateWhereIn::new()),
             Arc::new(ScalarSubqueryToJoin::new()),
             Arc::new(SubqueryFilterToJoin::new()),
+            // simplify expressions does not simplify expressions in subqueries, so we

Review Comment:
   I agree #3770 is a better long term solution



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