alamb opened a new issue, #7027:
URL: https://github.com/apache/arrow-datafusion/issues/7027
### Describe the bug
When trying to join two relations that have a column with the same name, we
see an error
> Schema error: Schema contains duplicate unqualified field name
cron_job_name
### To Reproduce
```
DataFusion CLI v27.0.0
❯ SELECT *
FROM (
VALUES ('catan-prod1-daily', 'success')
) as jobs(cron_job_name, status)
JOIN (
VALUES ('catan-prod1-daily', 'high')
) as severity(cron_job_name, level) ON (severity.cron_job_name =
jobs.cron_job_name);
Schema error: Schema contains duplicate unqualified field name cron_job_name
❯
```
### Expected behavior
Query should run
### Additional context
_No response_
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