Braedon-Wooding-Displayr commented on issue #24042:
URL: https://github.com/apache/datafusion/issues/24042#issuecomment-5150260413
This is a bit of a crazy edgecase but it is meaningful in lots of cases
where you are generating these expressions such as with banded crosstabs...
```sql
SELECT CASE WHEN age < $p1 THEN 'under 25'
WHEN age < $p2 THEN '25-44'
ELSE '45+' END AS band,
COUNT(*) AS n
FROM t1 GROUP BY CASE WHEN age < $p1 …
```
And this is where you get the issue more.
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