Ted-Jiang opened a new issue #2009:
URL: https://github.com/apache/arrow-datafusion/issues/2009
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**`
Add support for #2007
```
// ScalarFunction::Rpad => Ok(rpad(vec![])),
// ScalarFunction::RegexpReplace => {
// Ok(regexp_replace(vec![]))
// }
// ScalarFunction::RegexpMatch => {
// Ok(regexp_match(vec![]))
// }
// ScalarFunction::Lpad => Ok(lpad(vec![])),
//ScalarFunction::Btrim =>
Ok(btrim((&args[0]).try_into()?))
```
**Describe the solution you'd like**
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features
you've considered.
**Additional context**
try to use
```
error[E0277]: the trait bound `Vec<Expr>: From<&[LogicalExprNode]>` is not
satisfied
--> datafusion-proto/src/from_proto.rs:1077:67
|
1077 | ScalarFunction::Btrim =>
Ok(btrim((&args[..]).try_into()?)),
|
^^^^^^^^ the trait `From<&[LogicalExprNode]>` is not implemented for `Vec<Expr>`
|
= help: the following implementations were found:
<Vec<T, A> as From<Box<[T], A>>>
<Vec<T, A> as From<VecDeque<T, A>>>
<Vec<T> as From<&[T]>>
<Vec<T> as From<&mut [T]>>
and 7 others
= note: required because of the requirements on the impl of
`Into<Vec<Expr>>` for `&[LogicalExprNode]`
= note: required because of the requirements on the impl of
`TryFrom<&[LogicalExprNode]>` for `Vec<Expr>`
= note: required because of the requirements on the impl of
`TryInto<Vec<Expr>>` for `&[LogicalExprNode]`
For more information about this error, try `rustc --explain E0277`.
```
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