kosiew commented on issue #16366:
URL: https://github.com/apache/datafusion/issues/16366#issuecomment-2968970691
```sql
DataFusion CLI v48.0.0
> -- Define sample data
CREATE TABLE t1 (a INT, b INT, c INT) AS VALUES
(4, NULL, NULL),
(1, 2, 3),
(3, 1, 2),
(1, NULL, -1),
(NULL, NULL, NULL),
(3, 0, -1);
-- Display per-row minima and maxima
SELECT a, b, c,
least(a, b, c) AS row_min,
greatest(a, b, c) AS row_max
FROM t1;
-- A few scalar examples
SELECT greatest(4, 7, 5) AS g1, least(4, 7, 5) AS l1;
SELECT greatest(-1, 10, 3), least(-1, 10, 3);
0 row(s) fetched.
Elapsed 0.036 seconds.
+------+------+------+---------+---------+
| a | b | c | row_min | row_max |
+------+------+------+---------+---------+
| 4 | NULL | NULL | 4 | 4 |
| 1 | 2 | 3 | 1 | 3 |
| 3 | 1 | 2 | 1 | 3 |
| 1 | NULL | -1 | -1 | 1 |
| NULL | NULL | NULL | NULL | NULL |
| 3 | 0 | -1 | -1 | 3 |
+------+------+------+---------+---------+
6 row(s) fetched.
Elapsed 0.008 seconds.
+----+----+
| g1 | l1 |
+----+----+
| 7 | 4 |
+----+----+
1 row(s) fetched.
Elapsed 0.002 seconds.
```
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