### Describe the bug Some issues were discovered when reviewing #4067. This issue is a follow up for fixing these. - `CometSum` incorrectly states that it is incompatible in ANSI mode (https://github.com/apache/datafusion-comet/pull/4067/changes#r3140308388) - `CometStringRepeat` has an incompatibility that we do not fall back for (see https://github.com/apache/datafusion-comet/pull/4067/changes#r3140328947) - `CometFromUnixTime` incorrect reports `Incompatible` instead of `Unsupported` for unsupported formats ### Steps to reproduce _No response_ ### Expected behavior _No response_ ### Additional context _No response_
Describe the bug
Some issues were discovered when reviewing #4067. This issue is a follow up for fixing these.
CometSumincorrectly states that it is incompatible in ANSI mode (https://github.com/apache/datafusion-comet/pull/4067/changes#r3140308388)CometStringRepeathas an incompatibility that we do not fall back for (see https://github.com/apache/datafusion-comet/pull/4067/changes#r3140328947)CometFromUnixTimeincorrect reportsIncompatibleinstead ofUnsupportedfor unsupported formatsSteps to reproduce
No response
Expected behavior
No response
Additional context
No response