ianmcook commented on a change in pull request #9143:
URL: https://github.com/apache/arrow/pull/9143#discussion_r555112693
##########
File path: r/R/dataset-format.R
##########
@@ -104,9 +104,31 @@ CsvFileFormat$create <- function(..., opts =
csv_file_format_parse_options(...))
}
csv_file_format_parse_options <- function(...) {
+ opt_names <- names(list(...))
# Support both the readr spelling of options and the arrow spelling
- readr_opts <- c("delim", "quote", "escape_double", "escape_backslash",
"skip_empty_rows")
- if (any(readr_opts %in% names(list(...)))) {
+ arrow_opts <- names(formals(CsvParseOptions$create))
+ readr_opts <- names(formals(readr_to_csv_parse_options))
+ is_arrow_opt <- !is.na(pmatch(opt_names, arrow_opts))
+ is_readr_opt <- !is.na(pmatch(opt_names, readr_opts))
+ bad_opts <- opt_names[!is_arrow_opt & !is_readr_opt]
+ if (length(bad_opts)) {
+ stop("Unsupported options: ",
+ paste(bad_opts, collapse = ", "),
Review comment:
For pluralization, I'll use `ngettext()` from base R
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