tustvold opened a new issue, #4627:
URL: https://github.com/apache/arrow-datafusion/issues/4627
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
The current interface for `OptimizerRule` takes `&LogicalPlan`, effectively
forcing rules to clone their input.
**Describe the solution you'd like**
#4208 added a try_optimise method to try to reduce this, but I think it
would make for a cleaner interface if the method was simply.
```
fn apply(
&self,
plan: LogicalPlan,
optimizer_config: &mut OptimizerConfig,
) -> Result<LogicalPlan> {
Ok(self.try_optimize(&plan, optimizer_config)?.unwrap_or(plan))
}
```
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features
you've considered.
**Additional context**
#4208
FYI @andygrove @alamb @jackwener
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