andygrove commented on code in PR #3468:
URL: https://github.com/apache/arrow-rs/pull/3468#discussion_r1062926741
##########
arrow-csv/src/reader/mod.rs:
##########
@@ -1124,6 +1124,31 @@ mod tests {
use chrono::prelude::*;
+ #[test]
+ fn rows_unequal_length() {
+ let file = File::open("test/data/unequal_lengths.csv").unwrap();
+ let schema = Schema::new(vec![
+ Field::new("foo", DataType::Int32, false),
+ Field::new("bar", DataType::Int32, false),
+ ]);
+ let mut csv = Reader::new(
+ file,
+ Arc::new(schema.clone()),
+ false,
+ None,
+ 1024,
+ None,
+ None,
+ None,
+ );
+ let batch = csv.next().unwrap();
+ assert!(batch.is_err());
+ assert_eq!(
+ "Csv error: incorrect number of fields, expected 2 got 3",
Review Comment:
No line number is included here .. I wonder what is needed to have the csv
crate populate the position in the error? I guess I have some research to do ...
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