alamb commented on issue #9302:
URL:
https://github.com/apache/arrow-datafusion/issues/9302#issuecomment-1973606386
> @alamb I have some ideas about type conversion. I am trying out my ideas
on calcite. If it makes sense, I will transplant it to arrow-datafusion. This
may take some time.
Thanks @caicancai -- BTW I find following the example of existing systems
is helpful in cases like this (there is no need to reinvent different coercion
rules)
For example, postgres appears to happily coerce UTF8 -> float:
```sql
postgres=# select sqrt('1.4');
sqrt
--------------------
1.1832159566199232
(1 row)
```
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