gaozhangmin commented on a change in pull request #11686:
URL: https://github.com/apache/pulsar/pull/11686#discussion_r690845106
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File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
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@@ -3773,9 +3773,9 @@ private void validatePartitionTopicUpdate(String
topicName, int numberOfPartitio
TopicName partitionTopicName = TopicName.get(domain(), namespaceName,
topicName);
PartitionedTopicMetadata metadata =
getPartitionedTopicMetadata(partitionTopicName, false, false);
int oldPartition = metadata.partitions;
- String prefix = topicName + TopicName.PARTITIONED_TOPIC_SUFFIX;
+ String prefix = partitionTopicName.getPartitionedTopicName() +
TopicName.PARTITIONED_TOPIC_SUFFIX;
for (String exsitingTopicName : existingTopicList) {
- if (exsitingTopicName.contains(prefix)) {
+ if (exsitingTopicName.startsWith(prefix)) {
Review comment:
> There is a PR #11148 in progress in this same area. I'd suggest
contributing to #11148 to fix this issue #11685. One form of contributing is
making sure that this problem gets fixed with the refactored implementation for
checking topic existence.
it's full name `String prefix = partitionTopicName.getPartitionedTopicName()
+ TopicName.PARTITIONED_TOPIC_SUFFIX`
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