rdblue commented on a change in pull request #688: [ISSUE #672] Add
SupportsNamespaces for 'HadoopCatalog' and 'HiveCatalog'
URL: https://github.com/apache/incubator-iceberg/pull/688#discussion_r361729877
##########
File path: hive/src/main/java/org/apache/iceberg/hive/HiveCatalog.java
##########
@@ -163,6 +171,140 @@ public void renameTable(TableIdentifier from,
TableIdentifier to) {
}
}
+ @Override
+ public void createNamespace(Namespace namespace, Map<String, String> meta) {
+ Preconditions.checkArgument(!namespace.isEmpty(),
+ "Cannot create namespace with invalid name: %s", namespace);
+ Preconditions.checkArgument(namespace.levels().length == 1,
+ "Cannot support multi part namespace in Hive MetaStore: %s",
namespace);
+ try {
+ clients.run(client -> {
+ client.createDatabase(convertToDatabase(namespace, meta));
+ return null;
+ });
+
+ } catch (AlreadyExistsException e) {
+ throw new
org.apache.iceberg.exceptions.AlreadyExistsException("Namespace '%s' already
exists!",
+ namespace);
+
+ } catch (TException e) {
+ throw new RuntimeException("Failed to create namespace " +
namespace.toString() + " in Hive MataStore", e);
+
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new RuntimeException(
+ "Interrupted in call to createDatabase(name) " +
namespace.toString() + " in Hive MataStore", e);
+ }
+ }
+
+ @Override
+ public List<Namespace> listNamespaces(Namespace namespace) {
+ if (namespace.levels().length > 1) {
+ throw new NoSuchNamespaceException("Namespace does not exist: %s",
namespace);
+ }
+
+ try {
+ return namespace.isEmpty() ?
clients.run(HiveMetaStoreClient::getAllDatabases).stream().map(Namespace::of)
+ .collect(Collectors.toList()) :
Stream.of(Namespace.empty()).collect(Collectors.toList());
Review comment:
Please fix the formatting here.
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