ianmcook commented on a change in pull request #9143:
URL: https://github.com/apache/arrow/pull/9143#discussion_r554271178
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File path: r/tests/testthat/test-dataset.R
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@@ -303,11 +303,54 @@ test_that("Other text delimited dataset", {
filter(integer > 6) %>%
summarize(mean = mean(integer))
)
+})
+
+test_that("readr parse options", {
+ arrow_opts <- names(formals(CsvParseOptions$create))
+ readr_opts <- names(formals(readr_to_csv_parse_options))
+
+ # Arrow and readr options are mutually exclusive
+ expect_equal(
Review comment:
The code in `csv_file_format_parse_options()` in `dataset-format.R` will
error or behave incorrectly if any of the Arrow file parsing options
(`delimiter`, `quoting`, etc.) happens to have exactly the same name as any of
the supported readr-style options (`delim`, `quote`, etc.). Some future change
might accidentally cause these two lists of option names to overlap, so I added
this test which will fail if that happens.
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