romainfrancois commented on a change in pull request #10326:
URL: https://github.com/apache/arrow/pull/10326#discussion_r638745701
##########
File path: r/R/util.R
##########
@@ -110,3 +110,12 @@ handle_embedded_nul_error <- function(e) {
}
stop(e)
}
+
+handle_parquet_io_error <- function(e, format) {
+ msg <- conditionMessage(e)
+ if (grepl("Parquet magic bytes not found in footer", msg) &&
is.null(format)) {
+ e$message <- paste0(msg, "\nDid you mean to specify a 'format' other
than the default (parquet)?")
+ }
+ stop(e)
Review comment:
I think it's also a good place for:
```
abort(c(
msg,
i = "Did you mean to specify a 'format' other than the default (parquet)?"
))
```
Since this refers to `format`, would it be useful to add it as the argument
list of `open_dataset()`, then I suppose we wouldn't need
```r
args <- list2(...)
```
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