jonahgao commented on code in PR #10044:
URL:
https://github.com/apache/arrow-datafusion/pull/10044#discussion_r1562669207
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datafusion/expr/src/expr.rs:
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@@ -186,7 +186,16 @@ pub enum Expr {
#[derive(Clone, PartialEq, Eq, Hash, Debug)]
pub struct Unnest {
- pub exprs: Vec<Expr>,
+ pub expr: Box<Expr>,
Review Comment:
In the expression position, only one argument can be accepted.
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