alamb commented on code in PR #10494:
URL: https://github.com/apache/datafusion/pull/10494#discussion_r1600573882
##########
datafusion/optimizer/src/propagate_empty_relation.rs:
##########
@@ -154,14 +156,14 @@ impl OptimizerRule for PropagateEmptyRelation {
Ok(Transformed::yes(LogicalPlan::Projection(
Projection::new_from_schema(
Arc::new(child),
- plan.schema().clone(),
+ input_schema.clone(),
),
)))
}
} else {
Ok(Transformed::yes(LogicalPlan::Union(Union {
inputs: new_inputs,
- schema: union.schema.clone(),
+ schema: input_schema.clone(),
Review Comment:
🤔 maybe we also need add an alias for columns in the subsequent children so
the column names match exactly 🤔
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