westonpace commented on a change in pull request #9561:
URL: https://github.com/apache/arrow/pull/9561#discussion_r582343374
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File path: r/R/dataset-write.R
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@@ -41,6 +41,9 @@
#' will yield `"part-0.feather", ...`.
#' @param hive_style logical: write partition segments as Hive-style
#' (`key1=value1/key2=value2/file.ext`) or as just bare values. Default is
`TRUE`.
+#' @param hive_null_fallback If writing partition segments as Hive-style
Review comment:
Right now "non-hive" means directory as those are the only two in common
usage. Directory partitioning handles nulls by omitting directories or raising
an error (if an outer directory is null but an inner directory is not). So
there is no concept of a "null_fallback"
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