adutra commented on code in PR #8857: URL: https://github.com/apache/iceberg/pull/8857#discussion_r1364202095
########## nessie/src/main/java/org/apache/iceberg/nessie/NessieIcebergClient.java: ########## @@ -181,23 +183,65 @@ 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, + NessieBadRequestException.class) + .throwFailureWhenFinished() + .onFailure((o, exception) -> refresh()) + .run( + b -> { + Branch branch = b.branch((Branch) getRef().getReference()).commit(); + getRef().updateReference(branch); Review Comment: But shouldn't we strive to keep the client up-to-date with the latest commit hash on that ref? If I remove this statement, wouldn't the client keep a stale ref with the old hash? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org