galachad commented on issue #44524:
URL: https://github.com/apache/arrow/issues/44524#issuecomment-2445111575
I'm just pointing that if arrow default type is `tibble` then we should
remove class attribute only when object is `tibble`.
As I mention before, when we save `data.frame` into parquet, then
`read_parquet` returns `tibble`.
It could be changed to tibble - remove the class attribute when the object
is just tibble.
```
# remove the class if it's just tibble
if (identical(x$attributes$class, c("tbl_df", "tbl", "data.frame"))) {
x$attributes <- x$attributes[names(x$attributes) != "class"]
if (is_empty(x$attributes)) {
x <- x[names(x) != "attributes"]
}
}
```
You can always convert `tibble` to `data.frame`, but I'm just pointing that
current behavior is not consistence.
Anyway, if you are not agreed that removing class information from not
default type object is a bug, then we should close the issue.
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