morningman commented on a change in pull request #6165:
URL: https://github.com/apache/incubator-doris/pull/6165#discussion_r664417096
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File path:
extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
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@@ -118,7 +118,8 @@ private void addBatch(RowData row) {
StringJoiner value = new StringJoiner(this.fieldDelimiter);
GenericRowData rowData = (GenericRowData) row;
for(int i = 0; i < row.getArity(); ++i) {
- value.add(rowData.getField(i).toString());
+ String field = rowData.getField(i) == null ? "" :
rowData.getField(i).toString();
+ value.add(field);
Review comment:
Do need to distinguish `null` and `empty string`?
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