[GitHub] [arrow-rs] tustvold commented on a diff in pull request #3657: Include line and field number in CSV UTF-8 error (#3656)

["tustvold (via GitHub)" <gi...@apache.org>]

tustvold commented on code in PR #3657:
URL: https://github.com/apache/arrow-rs/pull/3657#discussion_r1096190618


##########
arrow-csv/src/reader/mod.rs:
##########
@@ -2231,4 +2231,37 @@ mod tests {
             }
         }
     }
+
+    fn err_test(csv: &[u8], expected: &str) {
+        let schema = Arc::new(Schema::new(vec![
+            Field::new("text1", DataType::Utf8, false),
+            Field::new("text2", DataType::Utf8, false),
+        ]));
+        let buffer = std::io::BufReader::with_capacity(2, Cursor::new(csv));
+        let b = ReaderBuilder::new()
+            .with_schema(schema)

Review Comment:
   We need to provide the schema here, as otherwise the schema inference code produces the error



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