[jira] [Created] (ARROW-18236) [R] Improve error message when providing a mix of rreadr and Arrow options

["Nicola Crane (Jira)" <ji...@apache.org>]

Nicola Crane created ARROW-18236:
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             Summary: [R] Improve error message when providing a mix of rreadr and Arrow options
                 Key: ARROW-18236
                 URL: https://issues.apache.org/jira/browse/ARROW-18236
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: R
            Reporter: Nicola Crane


I was trying to solve a user issue today and tried to run the following code:

{code:r}
df = tibble(x = c("a","b",  ""  , "d"))
write_tsv(df, "data.tsv")
open_dataset("data.tsv", format="tsv", skip_rows=1, schema=schema(x=string()), skip_empty_rows = TRUE) %>%
  collect()
{code}

 which gives me the error

{code:r}
Error: Use either Arrow parse options or readr parse options, not both
{code}

which is somewhat obnoxious as I have literally no context provided to know which options are being referred to and what the possible options are.

Also, like, why can't we have a mix of both? This is a totally valid use-case.  I think both a code update and a more informative error message are needed here.




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