Dandandan commented on code in PR #3404:
URL: https://github.com/apache/arrow-datafusion/pull/3404#discussion_r966411692
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datafusion/optimizer/src/simplify_expressions.rs:
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@@ -803,6 +801,26 @@ impl<'a, S: SimplifyInfo> ExprRewriter for Simplifier<'a,
S> {
out_expr.rewrite(self)?
}
+ //
+ // Rules for Between
+ //
+
+ // a between 3 and 5 --> a >= 3 AND a <=5
+ // a not between 3 and 5 --> a < 3 OR a > 5
+ Between {
+ expr,
+ low,
+ high,
+ negated,
+ } => match negated {
Review Comment:
Could use `if` instead of `match`
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