berkaysynnada commented on code in PR #6566:
URL: https://github.com/apache/arrow-datafusion/pull/6566#discussion_r1237677392
##########
datafusion/sql/src/select.rs:
##########
@@ -194,7 +198,13 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
.iter()
.map(|expr| rebase_expr(expr, &window_func_exprs, &plan))
.collect::<Result<Vec<Expr>>>()?;
-
+ if select.into.is_some() {
+ for expr in select_exprs_post_aggr.iter_mut() {
+ if let Expr::Column(_) = expr.clone() {
+ *expr = expr.clone().alias(physical_name(expr)?);
+ }
+ }
+ }
Review Comment:
It should also be considered that we cannot support more than one column
with the same aliases, if we intend to shorten the names at the output by
making realias.
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