BewareMyPower commented on a change in pull request #9342:
URL: https://github.com/apache/pulsar/pull/9342#discussion_r565275162
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File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
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@@ -460,6 +460,16 @@ protected void internalCreateNonPartitionedTopic(boolean
authoritative) {
if (partitionMetadata.partitions > 0) {
log.warn("[{}] Partitioned topic with the same name already exists
{}", clientAppId(), topicName);
throw new RestException(Status.CONFLICT, "This topic already
exists");
+ } else {
+ if (topicName.isPartitioned()) {
+ final TopicName partitionedTopicName =
TopicName.get(topicName.getPartitionedTopicName());
+ partitionMetadata = fetchPartitionedTopicMetadata(pulsar(),
partitionedTopicName);
Review comment:
After rethinking for a while, I think a better way is to check if
`/managed-ledgers/<tenant>/<namespace>/<topic>` exists.
No matter if disallow creating `xxx-partition-i` or the way I adopted, the
compatibility will be broken. Because if users upgrade their pulsar from a low
version, they may rely on creating a `xxx-partition-0` to create missing
partitions instead of the REST API, as well as some old code of other clients.
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