Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/17191
What is the behaviors of MySQL and Postgres when we use digits as alias?
```SQL
SELECT k1 AS `2`, k2 AS a, SUM(v) FROM t GROUP BY 2, k2
```
You might need to replace backticks by the other symbols for quoting the
column names
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
