devanshu0987 commented on PR #20099:
URL: https://github.com/apache/datafusion/pull/20099#issuecomment-3845736417
> @devanshu0987 it seems like a similar technique could be used for `ceil`
-- if you agree I will file a ticket to track
Hi @alamb , I would like to attempt this technique for the following
functions
- `ceil` and `round`
- `ceil(x) = 5` -> `(4, 5]`
- `round(x) = 5` -> `[4.5, 5.5)`
- String Prefix Functions
- `left(s, 2) = 'AB'` -> Lexicographically `['AB', 'AC')` -> Not sure if
this is already implemented.
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