phillipleblanc commented on code in PR #12331:
URL: https://github.com/apache/datafusion/pull/12331#discussion_r1744845781
##########
datafusion/sql/src/unparser/plan.rs:
##########
@@ -450,10 +453,33 @@ impl Unparser<'_> {
Ok(())
}
LogicalPlan::SubqueryAlias(plan_alias) => {
- // Handle bottom-up to allocate relation
- let (plan, columns) =
subquery_alias_inner_query_and_columns(plan_alias);
+ let (plan, mut columns) =
+ subquery_alias_inner_query_and_columns(plan_alias);
+
+ if !columns.is_empty()
+ && !self.dialect.supports_column_alias_in_table_alias()
+ {
+ // if columns are returned than plan corresponds to a
projection
Review Comment:
```suggestion
// if columns are returned then the plan corresponds to
a projection
```
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