berkaysynnada commented on PR #13293:
URL: https://github.com/apache/datafusion/pull/13293#issuecomment-2467866670
I prefer going with
```
pub enum Estimate {
Range { bounds: Interval, value: ScalarValue },
/// Nothing is known about the value
#[default]
Absent,
}
```
as mentioned
[there](https://github.com/apache/datafusion/issues/8078#issuecomment-2466779170).
We will be both making us of interval arithmetics, and eliminating the need
for separate bound and estimation statistics. It does not necessitate to select
which kind of stats (range or estimate) you keep.
The only challenge is we need to guard the internal values, and provide the
all API's someone can require. It should be never in an inconsistent state
(like estimate value is out of the bounds).
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