rdblue commented on a change in pull request #1149:
URL: https://github.com/apache/iceberg/pull/1149#discussion_r448653472
##########
File path: spark3/src/main/java/org/apache/iceberg/spark/SparkCatalog.java
##########
@@ -228,13 +247,141 @@ public void invalidateTable(Identifier ident) {
}
}
+ @Override
+ public Identifier[] listTables(String[] namespace) {
+ return icebergCatalog.listTables(Namespace.of(namespace)).stream()
+ .map(ident -> Identifier.of(ident.namespace().levels(), ident.name()))
+ .toArray(Identifier[]::new);
+ }
+
+ @Override
+ public String[] defaultNamespace() {
+ if (defaultNamespace != null) {
+ return defaultNamespace;
+ }
+
+ return new String[0];
+ }
+
+ @Override
+ public String[][] listNamespaces() {
+ if (asNamespaceCatalog != null) {
+ return asNamespaceCatalog.listNamespaces().stream()
+ .map(Namespace::levels)
+ .toArray(String[][]::new);
+ }
+
+ return new String[0][];
+ }
+
+ @Override
+ public String[][] listNamespaces(String[] namespace) throws
NoSuchNamespaceException {
+ if (asNamespaceCatalog != null) {
+ try {
+ return
asNamespaceCatalog.listNamespaces(Namespace.of(namespace)).stream()
+ .map(Namespace::levels)
+ .toArray(String[][]::new);
+ } catch (org.apache.iceberg.exceptions.NoSuchNamespaceException e) {
+ throw new NoSuchNamespaceException(namespace);
+ }
+ }
+
+ throw new NoSuchNamespaceException(namespace);
+ }
+
+ @Override
+ public Map<String, String> loadNamespaceMetadata(String[] namespace) throws
NoSuchNamespaceException {
+ if (asNamespaceCatalog != null) {
+ try {
+ return
asNamespaceCatalog.loadNamespaceMetadata(Namespace.of(namespace));
+ } catch (org.apache.iceberg.exceptions.NoSuchNamespaceException e) {
+ throw new NoSuchNamespaceException(namespace);
+ }
+ }
+
+ throw new NoSuchNamespaceException(namespace);
+ }
+
+ @Override
+ public void createNamespace(String[] namespace, Map<String, String>
metadata) throws NamespaceAlreadyExistsException {
+ if (asNamespaceCatalog != null) {
+ try {
+ if (asNamespaceCatalog instanceof HadoopCatalog &&
DEFAULT_NS_KEYS.equals(metadata.keySet())) {
Review comment:
Yes, that is the expected behavior if you create a namespace with
metadata properties in the Hadoop catalog because there is nowhere to store
them.
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