xinlifoobar commented on issue #11207:
URL: https://github.com/apache/datafusion/issues/11207#issuecomment-2208578739
Given #11220 and #11243, those are very similar APIs with UDF plans. I am
trying to draft an API, e.g.,
```
// Plan the user defined function, returns origin expression arguments
if not possible
fn plan_udf(
&self,
_sql: &sqlparser::ast::Expr,
args: Vec<Expr>,
) -> Result<PlannerResult<Vec<Expr>>> {
Ok(PlannerResult::Original(args))
}
```
to uniform the usages.
I have created a draft PR #11263 to discuss this. The flaw here is that the
parameter `sql` is partially borrowed and has to be cloned at the very
beginning. Maybe we should consider use reference instead.
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