comphead commented on issue #2448:
URL:
https://github.com/apache/datafusion-comet/issues/2448#issuecomment-3347730439
> This may not be a solution. Spark only does normalization when sorting, so
returning -0.0 or 0.0 is unstable.
```
checkSparkAnswer("select min(_1) from (SELECT _1 FROM tbl order by
_1 desc)")
```
passes
whereas
```
checkSparkAnswer("select min(_1) from (SELECT _1 FROM tbl order by
_1 asc)")
```
I'll check little bit more today
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