xanderbailey commented on code in PR #17299:
URL: https://github.com/apache/datafusion/pull/17299#discussion_r2329519241
##########
datafusion/substrait/src/logical_plan/consumer/rel/project_rel.rs:
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@@ -62,7 +62,17 @@ pub async fn from_project_rel(
// to transform it into a column reference
window_exprs.insert(e.clone());
}
- explicit_exprs.push(name_tracker.get_uniquely_named_expr(e)?);
+ // Since substrait removes aliases, we need to assign literals
with a UUID alias to avoid
+ // ambiguous names when the same literal is used before and after
a join.
Review Comment:
Updated
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