Support for pl.List('*') #15489
Labels
A-input-parsing
Area: parsing input arguments
A-selectors
Area: column selectors
bug
Something isn't working
P-low
Priority: low
python
Related to Python Polars
Description
I noticed that in dataframe selection it is not possible to select columns by
by_dtype
(using selectors) when column isNESTED_DTYPES
.So why there is no such option of selecting by_dtype in higher levels like pl.List('*') or pl.List(pl.Any) (i know it does not exist)
I don't know much about Rust but even in python level, there is dummy solution :)
I figured out that in order to select pl.List columns we should specify the inner dtypes like:
pl.List(pl.String)
could someone tell is_dtype selection will be in python level or rust level?
Thank you for your time!
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