rownames warning when rbinding nested tibbles

[llrs]

A tibble when nested inside another tibble and row bind warns about row names even if no row names are used (version 3.1.2):

library("tibble")
zd <- tibble(a = NA)
z2 <- tibble(place = zd)
z3 <- data.frame(place = zd)
rbind(z2)
#> Warning: Setting row names on a tibble is deprecated.
#> # A tibble: 1 x 1
#>   place$a
#>   <lgl>  
#> 1 NA
rbind(z3)
#>    a
#> 1 NA

^{Created on 2021-06-23 by the reprex package (v2.0.0)}

[krlmlr]

Thanks. Does this also occur with dplyr::bind_rows() ?

[llrs]

If I use dplyr::bind_rows there isn't any warning.

[krlmlr]

It looks like rbind() is setting row names. Can you please use bind_rows() with tibbles?

[llrs]

No, I don't want to add another dependency on the package where I found this issue. Thanks for the quick replies.

[krlmlr]

You could also use vctrs::vec_rbind() .

[llrs]

Yes this works. Maybe this can be added to tibble methods: rbind.tbl_df <- vctrs::vec_rbind?
Anyway, I removed the usage of tibbles to avoid this warning, so my problem is solved.

[hadley]

It think tibble should do something to avoid this warning, unless it's hugely complicated.

[krlmlr]

#909 implements rbind.tbl_df() for R >= 4.0.0, need to check reverse dependencies before we can merge this.

Closing here as a duplicate of #34.

[llrs]

Many thanks for adding this. I hope it passes all the reverse dependencies checks and can be shared soon on CRAN.

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