Commits
Neal Richardson authored 9d5ff0cb986
ARROW-7639: [R] Cannot convert Dictionary Array to R when values aren't strings This patch coerces dictionary values to string when reading into R, as [feather does](https://github.com/wesm/feather/blob/master/R/src/feather-types.cpp#L264). It also adds a function to let you construct DictionaryArrays directly. Closes #6258 from nealrichardson/factor-dictionary and squashes the following commits: e98738fb7 <Neal Richardson> Update NEWS 300d1e925 <Neal Richardson> Fix for dictionary type crash I hit along the way 7c105efcb <Neal Richardson> Lint 0c8fee7cb <Neal Richardson> Update docs and export Array subclasses 0db9567d4 <Neal Richardson> Make the test pass 70c55e75e <Neal Richardson> Add DictionaryArray method to create from arrays; use that to reproduce ARROW-7639 Authored-by: Neal Richardson <neal.p.richardson@gmail.com> Signed-off-by: Neal Richardson <neal.p.richardson@gmail.com>