dimas-b commented on code in PR #8857:
URL: https://github.com/apache/iceberg/pull/8857#discussion_r1364200900
##########
nessie/src/main/java/org/apache/iceberg/nessie/NessieIcebergClient.java:
##########
@@ -181,23 +183,52 @@ public IcebergTable table(TableIdentifier
tableIdentifier) {
}
public void createNamespace(Namespace namespace, Map<String, String>
metadata) {
+ getRef().checkMutable();
+
+ if (namespace.isEmpty()) {
+ throw new IllegalArgumentException("Creating empty namespaces is not
supported");
+ }
+
try {
- getRef().checkMutable();
- withReference(
- getApi()
- .createNamespace()
-
.namespace(org.projectnessie.model.Namespace.of(namespace.levels()))
- .properties(metadata))
- .create();
- refresh();
- } catch (NessieNamespaceAlreadyExistsException e) {
- throw new AlreadyExistsException(e, "Namespace already exists: %s",
namespace);
- } catch (NessieNotFoundException e) {
+ org.projectnessie.model.Namespace content =
+ org.projectnessie.model.Namespace.of(metadata, namespace.levels());
+ ContentKey key = content.toContentKey();
+
+ CommitMultipleOperationsBuilder commitBuilder =
+ api.commitMultipleOperations()
+ .commitMeta(NessieUtil.buildCommitMetadata("create namespace " +
key, catalogOptions))
+ .operation(Operation.Put.of(key, content));
+
+ Tasks.foreach(commitBuilder)
+ .retry(5)
+ // conflict can be thrown when parent namespace doesn't exist;
+ // bad request can be thrown when namespace already exists.
+ .stopRetryOn(
+ NessieNotFoundException.class,
+ NessieConflictException.class,
Review Comment:
I agree. Conflicts here would be user-level conflicts (e.g. creating the
namespace twice or concurrently).
The only retriable case may be updating namespace properties (retry and
merge the property map), but I'm not sure it's worth the extra complexity.
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