Standing-Man commented on code in PR #19672:
URL: https://github.com/apache/datafusion/pull/19672#discussion_r2674557535
##########
datafusion/sql/src/query.rs:
##########
@@ -170,6 +170,7 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
name: alias,
// Apply to all fields
columns: vec![],
+ explicit: true,
Review Comment:
I tested this using `datafusion-cli`, see the example below:
```
> CREATE TABLE t (v1 int);
0 row(s) fetched.
Elapsed 0.018 seconds.
> INSERT TABLE t VALUE (1), (2), (3);
+-------+
| count |
+-------+
| 3 |
+-------+
1 row(s) fetched.
Elapsed 0.017 seconds.
> SELECT * FROM t AS new_t;
+----+
| v1 |
+----+
| 1 |
| 2 |
| 3 |
+----+
3 row(s) fetched.
Elapsed 0.006 seconds.
> SELECT * FROM t new_t;
+----+
| v1 |
+----+
| 1 |
| 2 |
| 3 |
+----+
3 row(s) fetched.
Elapsed 0.004 seconds.
```
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