Re: [PR] feat: support `unnest` multiple arrays [arrow-datafusion]

["jonahgao (via GitHub)" <gi...@apache.org>]

jonahgao commented on code in PR #10044:
URL: https://github.com/apache/arrow-datafusion/pull/10044#discussion_r1562669207


##########
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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