crepererum commented on code in PR #6129:
URL: https://github.com/apache/arrow-datafusion/pull/6129#discussion_r1178074706
##########
datafusion/optimizer/src/common_subexpr_eliminate.rs:
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@@ -352,6 +462,49 @@ fn build_recover_project_plan(schema: &DFSchema, input:
LogicalPlan) -> LogicalP
)
}
+/// Which type of [expressions](Expr) should be considered for rewriting?
Review Comment:
While this resulted in more code, I've decided to pull the masking out into
its own enum / config value so the code is easier to read and extend (I could
imagine that we may wanna have more special treatments for other logical plan
nodes at some point).
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