andygrove commented on code in PR #2464:
URL: https://github.com/apache/arrow-datafusion/pull/2464#discussion_r866409571
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datafusion/core/src/sql/planner.rs:
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@@ -1009,6 +1009,11 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
.map(|e| {
let group_by_expr =
self.sql_expr_to_logical_expr(e, &combined_schema, ctes)?;
+ // aliases from the projection can conflict with same-named
expressions in the input
+ let mut alias_map = alias_map.clone();
+ for f in plan.schema().fields() {
+ alias_map.remove(f.name());
+ }
Review Comment:
This is the first part of the fix
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