tustvold commented on code in PR #8908:
URL: https://github.com/apache/arrow-datafusion/pull/8908#discussion_r1460841842
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datafusion/expr/src/expr.rs:
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@@ -1869,10 +1869,14 @@ mod test {
let exp2 = col("a") + lit(2);
let exp3 = !(col("a") + lit(2));
- assert!(exp1 < exp2);
- assert!(exp2 > exp1);
- assert!(exp2 > exp3);
- assert!(exp3 < exp2);
+ // Since comparisons are done using hash value of the expression
Review Comment:
I haven't checked this, but if the PartialEq implementation isn't also using
this hash approach, the two would be inconsistent
Edit: as suspected it looks like PartialEq is being derived using a proc
macro, and is therefore inconsistent with this implementation of PartialOrd -
https://github.com/apache/arrow-datafusion/blob/main/datafusion/expr/src/expr.rs#L87
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