Omega359 commented on issue #13036:
URL: https://github.com/apache/datafusion/issues/13036#issuecomment-2435262932
Here is a list of the remaining 'special' functions as I see it. Unnest is
really the only special function, the others are just existing functions with
different syntax such as `substring('Thomas' from 2 for 3) → hom`.
- unnest (array), unnest(struct)
- extract - it's data_part, but with different syntax
- position - it's strpos, but with different syntax
- substring, it's substr, but with different syntax
- trim, it's one of the trim functions, but with different syntax
I am unsure right now how to properly document the 'different syntax' types
of functions. Perhaps these should be covered in a page that covers things like
`ilike`, `cube`, `trim`, etc.
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