houqp commented on a change in pull request #838:
URL: https://github.com/apache/arrow-datafusion/pull/838#discussion_r684813561
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File path: datafusion/src/scalar.rs
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@@ -156,6 +157,58 @@ impl PartialEq for ScalarValue {
}
}
+// manual implementation of `PartialOrd` that uses OrderedFloat to
+// get defined behavior for floating point
+impl PartialOrd for ScalarValue {
+ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+ use ScalarValue::*;
+ // This purposely doesn't have a catch-all "(_, _)" so that
+ // any newly added enum variant will require editing this list
+ // or else face a compile error
Review comment:
this comment doesn't seem to hold true anymore in this function, would
be better to keep the same structure in `PartialEq` so we can also avoid catch
all match here.
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