Nicola Crane created ARROW-18356:
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Summary: [R] Handle as_data_frame argument if passed into
open_dataset for CSVs
Key: ARROW-18356
URL: https://issues.apache.org/jira/browse/ARROW-18356
Project: Apache Arrow
Issue Type: Sub-task
Components: R
Reporter: Nicola Crane
Currently, if the argument {{as_data_frame}} is passed into {{open_dataset()}}
with a CSV format dataset, the error message returned is:
{code:r}
Error: The following option is supported in "read_delim_arrow" functions but
not yet supported here: "as_data_frame"
{code}
Instead, we could silently ignore it if as_data_frame is set to {{FALSE}} and
give a more helpful error if set to {{TRUE}} (i.e. direct user to call
{{as.data.frame()}} or {{collect()}}).
Reasoning: it'd be great to get to a point where users can just swap their
{{read_csv_arrow()}} syntax for {{open_dataset()}} and get helpful results.
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