Friede80 commented on code in PR #15135:
URL: https://github.com/apache/datafusion/pull/15135#discussion_r1994252846
##########
datafusion/expr/src/logical_plan/plan.rs:
##########
@@ -2843,13 +2845,21 @@ impl Union {
)?
};
let nullable = fields.iter().any(|field| field.is_nullable());
- let mut field = Field::new(name, data_type.clone(), nullable);
+
+ // Generate unique field name
+ let name = if let Some(count) =
name_counts.get_mut(&base_name) {
+ *count += 1;
Review Comment:
Addressed in
https://github.com/apache/datafusion/pull/15135/commits/612c217d13b86647b7438b6fd1054c0d8c27f766
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