robobario commented on code in PR #24730:
URL: https://github.com/apache/flink/pull/24730#discussion_r1610925700
##########
flink-formats/flink-csv/src/main/java/org/apache/flink/formats/csv/CsvBulkWriter.java:
##########
@@ -98,16 +108,17 @@ static <T> CsvBulkWriter<T, T, Void> forPojo(Class<T>
pojoClass, FSDataOutputStr
@Override
public void addElement(T element) throws IOException {
final R r = converter.convert(element, converterContext);
- csvWriter.writeValue(stream, r);
+ csvWriter.writeValue(generator, r);
}
@Override
public void flush() throws IOException {
- stream.flush();
+ generator.flush();
}
@Override
public void finish() throws IOException {
+ generator.close();
Review Comment:
The CsvGenerator [honours
AUTO_CLOSE_TARGET](https://github.com/FasterXML/jackson-dataformats-text/blob/3d3165e58b90618a5fbccf630f1604a383afe78c/csv/src/main/java/com/fasterxml/jackson/dataformat/csv/CsvGenerator.java#L504)
so generator.close() will flush the underlying `Writer` but not close it.
It would be great to have unit tests proving this.
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