zeroshade commented on issue #13977:
URL: https://github.com/apache/arrow/issues/13977#issuecomment-1230911932
Hi @ftamhar,
The issue with that sort of an interface is that it is actually expensive to
create and there isn't always a reasonable representation of the array that
would fit that (for example, complex types like Structs / Lists etc.)
The expected way to interact with the `Array` interface is to type switch
(or otherwise switch on the type) and then use the methods that are provided in
those cases (for example all the numeric primitives offer a `*Values()` method
which returns a native slice of the appropriate type (e.g. `array.Int32` has
`Int32Values() []int32`).
Creating a `[]interface{}` would necessitate a copy of the data and wouldn't
work in any reasonable way for complex types. Can you provide details on the
use case you're dealing with where you need a `[]interface{}`?
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