Support map_keys function for Map type #12147
Description
Is your feature request related to a problem or challenge?
| Description | Return a list of all keys in the map. |
|---|---|
| Example | map_keys(map([100, 5], [42,43])) |
| Result | [100, 5] |
Describe the solution you'd like
No response
Describe alternatives you've considered
No response
Additional context
https://docs.databricks.com/en/sql/language-manual/functions/map_keys.html#map_keys-function
https://duckdb.org/docs/sql/functions/map.html#map_keysmap