vegarsti commented on code in PR #8851:
URL: https://github.com/apache/arrow-rs/pull/8851#discussion_r2529694805


##########
arrow-schema/src/schema.rs:
##########
@@ -293,6 +331,20 @@ impl Schema {
     /// );
     /// ```
     pub fn try_merge(schemas: impl IntoIterator<Item = Self>) -> Result<Self, 
ArrowError> {
+        let schemas = schemas.into_iter().collect::<Vec<Self>>();

Review Comment:
   This increases the memory consumption of this method. An alternative could 
be to change the function signature to `schemas: &[Self]` but I haven't checked 
if that is feasible.



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