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Make C level vec_proxy_equal() recursive by default #641

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DavisVaughan opened this issue Nov 1, 2019 · 4 comments · Fixed by #693
Closed

Make C level vec_proxy_equal() recursive by default #641

DavisVaughan opened this issue Nov 1, 2019 · 4 comments · Fixed by #693

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@DavisVaughan
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@DavisVaughan DavisVaughan commented Nov 1, 2019

See #636 (review)

It is not currently used non-recursively anywhere anymore, so we might not even need vec_proxy_equal_shallow().

@lionel-
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@lionel- lionel- commented Nov 28, 2019

It seems like the R level vec_proxy() should also be recursive. And then restoration as well.

@lionel-
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@lionel- lionel- commented Nov 28, 2019

E.g. there might be a grouped-df column whose group indices need to be restored after slicing.

lionel- added a commit to lionel-/vctrs that referenced this issue Nov 28, 2019
lionel- added a commit to lionel-/vctrs that referenced this issue Nov 28, 2019
@lionel-
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@lionel- lionel- commented Nov 28, 2019

oops vec_proxy() cannot be recursive because vec_restore() cannot be recursive. We can't restore recursively since the number of columns or their contents might change.

It's possible vec-proxy and vec-proxy-equal are in fact unrelated concepts.

@lionel-

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lionel- added a commit to lionel-/vctrs that referenced this issue Dec 2, 2019
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