timsaucer commented on code in PR #16170:
URL: https://github.com/apache/datafusion/pull/16170#discussion_r2127331511
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datafusion/physical-expr/src/planner.rs:
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@@ -111,14 +112,42 @@ pub fn create_physical_expr(
let input_schema: &Schema = &input_dfschema.into();
match e {
- Expr::Alias(Alias { expr, .. }) => {
- Ok(create_physical_expr(expr, input_dfschema, execution_props)?)
+ Expr::Alias(Alias { expr, metadata, .. }) => {
+ if let Expr::Literal(v, prior_metadata) = expr.as_ref() {
+ let mut new_metadata = prior_metadata
+ .as_ref()
+ .map(|m| {
+ m.iter()
+ .map(|(k, v)| (k.clone(), v.clone()))
+ .collect::<HashMap<String, String>>()
+ })
+ .unwrap_or_default();
Review Comment:
When you try doing that there is some trait bound that is unsatisfied that I
didn't spend any more time trying to dig through.
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