thisisnic commented on code in PR #49338:
URL: https://github.com/apache/arrow/pull/49338#discussion_r2841105958
##########
r/R/util.R:
##########
@@ -196,6 +196,20 @@ repeat_value_as_array <- function(object, n) {
}
handle_csv_read_error <- function(msg, call, schema) {
+ # Handle null type inference issue with sparse data
+ if (grepl("conversion error to null", msg)) {
+ msg <- c(
+ msg,
+ i = paste(
+ "Column type was inferred as null because the first block of data",
+ "contained only missing values. See `?csv_read_options` for how to",
+ "set a smaller value."
+ )
+ )
+ abort(msg, call = call)
+ }
+
+ # Handle schema + header row issue
Review Comment:
```suggestion
```
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