SWH12 commented on code in PR #5884:
URL: https://github.com/apache/hbase/pull/5884#discussion_r1776149863
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bin/replication/copy_tables_desc.rb:
##########
@@ -39,6 +39,17 @@ def usage
exit!
end
+def create_namespace_if_not_exists(dst, namespace)
+ begin
+ dst.getNamespaceDescriptor(namespace)
+ puts format('Namespace "%s" already exists.', namespace)
+ rescue org.apache.hadoop.hbase.NamespaceNotFoundException
+ descriptor =
org.apache.hadoop.hbase.NamespaceDescriptor.create(namespace).build()
+ dst.createNamespace(descriptor)
Review Comment:
The namespace of the source cluster is obtained using the method namespace =
TableName.valueOf(table).getNamespaceAsString. In
create_namespace_if_not_exists, dst.getNamespaceDescriptor(namespace) is used
to check if the specified namespace exists in the target cluster, and if it
does not exist, it is created.
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