Mrart commented on code in PR #4108:
URL: https://github.com/apache/flink-cdc/pull/4108#discussion_r2297445846
##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-debezium/src/main/java/org/apache/flink/cdc/debezium/event/DebeziumEventDeserializationSchema.java:
##########
@@ -472,6 +482,57 @@ protected Object convertToMap(Object dbzObj, Schema
schema) throws Exception {
return new GenericMapData(convertedMap);
}
+ protected Object convertToArray(Object dbzObj, Schema schema) throws
Exception {
+ if (dbzObj == null) {
+ return null;
+ }
+
+ Schema elementSchema = schema.valueSchema();
+ DataType elementType = schemaDataTypeInference.infer(null,
elementSchema);
+ DeserializationRuntimeConverter elementConverter =
createConverter(elementType);
+
+ if (dbzObj instanceof java.util.List) {
+ java.util.List<?> list = (java.util.List<?>) dbzObj;
+ Object[] array = new Object[list.size()];
+
+ for (int i = 0; i < list.size(); i++) {
+ Object element = list.get(i);
+ if (element != null) {
+ if (elementSchema.type() == Schema.Type.ARRAY) {
+ array[i] = convertToArray(element, elementSchema);
Review Comment:
but only debezium 2.x can supported nested array，I have test matrix
int[][] ，debezium return data 'null'
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