loserwang1024 commented on code in PR #4108:
URL: https://github.com/apache/flink-cdc/pull/4108#discussion_r2299684513
##########
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:
If we are not support now, maybe we can throw exception, and add this
limitation to documents. When we support debezium 2.x, we can add it.
More liminations at the begining will be more flexible. If we open the door,
it hard to modify later.
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