alamb commented on code in PR #7218:
URL: https://github.com/apache/arrow-datafusion/pull/7218#discussion_r1286962622
##########
datafusion/expr/src/expr.rs:
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@@ -115,8 +115,8 @@ pub enum Expr {
IsNotUnknown(Box<Expr>),
/// arithmetic negation of an expression, the operand must be of a signed
numeric data type
Negative(Box<Expr>),
- /// Returns the field of a [`arrow::array::ListArray`] or
[`arrow::array::StructArray`] by key
- ///
+ /// Returns the field of a [`arrow::array::ListArray`] or
+ /// [`arrow::array::StructArray`] by key or key range
Review Comment:
```suggestion
/// [`arrow::array::StructArray`] by index or range
```
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