lovasoa commented on issue #1660:
URL:
https://github.com/apache/datafusion-sqlparser-rs/issues/1660#issuecomment-2596908706
This is because we currently allow `RETURNING` as an unquoted table alias
identifier. Most DBs don't.
```sql
select * from demo returning
```
fails in
- sqlite: `SQLITE_ERROR: sqlite3 result code 1: near "returning": syntax
error` :
https://sqliteonline.com/#sqltext=%23url-sqlite%3Ddb-sqlite%0D%0A%23tab-name%3DSQLite.3%0D%0Aselect%20*%20from%20demo%20returning
- mariadb: `Help: Error 1064 You have an error in your SQL syntax; check
the manual that corresponds to your MariaDB server version for the right syntax
to use near 'returning' at line 1`
- postgres: `Help: Error 42601 syntax error at or near "returning"`
We should not allow `RETURNING` in that position either
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