shuwenwei commented on code in PR #16035:
URL: https://github.com/apache/iotdb/pull/16035#discussion_r2244187353
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/schema/ClusterSchemaFetchExecutor.java:
##########
@@ -297,8 +303,16 @@ private void parseFetchedData(
for (int i = 0; i < size; i++) {
databaseSet.add(ReadWriteIOUtils.readString(inputStream));
}
- } else if (type == 1) {
-
resultSchemaTree.mergeSchemaTree(ClusterSchemaTree.deserialize(inputStream));
+ } else if (type == 1 || type == 2) {
Review Comment:
Fixed, but it should be noted that the current version and the previous
version may still be incompatible, because the datanode of current version may
provide incomplete schema tree tsblock to a datanode of old version
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