comphead commented on code in PR #3570:
URL: https://github.com/apache/arrow-rs/pull/3570#discussion_r1082867652
##########
arrow-csv/src/writer.rs:
##########
@@ -672,4 +710,26 @@ sed do eiusmod
tempor,-556132.25,1,,2019-04-18T02:45:55.555000000,23:46:03,foo
let expected = nanoseconds.into_iter().map(Some).collect::<Vec<_>>();
assert_eq!(actual, expected);
}
+
+ #[test]
+ fn test_write_csv_invalid_cast() {
+ let schema = Schema::new(vec![
+ Field::new("c0", DataType::UInt32, false),
+ Field::new("c1", DataType::Date64, false),
+ ]);
+
+ let c0 = UInt32Array::from(vec![Some(123), Some(234)]);
+ let c1 = Date64Array::from(vec![Some(1926632005177),
Some(1926632005177685347)]);
+ let batch =
+ RecordBatch::try_new(Arc::new(schema), vec![Arc::new(c0),
Arc::new(c1)])
+ .unwrap();
+
+ let mut file = tempfile::tempfile().unwrap();
+ let mut writer = Writer::new(&mut file);
+ let batches = vec![&batch, &batch];
+ for batch in batches {
+ writer.write(batch).map_err(|e| { dbg!(e.to_string());
assert!(e.to_string().ends_with(invalid_cast_error("arrow_array::array::primitive_array::PrimitiveArray<arrow_array::types::Date64Type>".to_owned(),
1, 1).to_string().as_str()))}).unwrap_err();
Review Comment:
Done
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