snazy commented on code in PR #10630:
URL: https://github.com/apache/iceberg/pull/10630#discussion_r1668448186
##########
nessie/src/main/java/org/apache/iceberg/nessie/NessieIcebergClient.java:
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@@ -226,8 +229,32 @@ public void createNamespace(Namespace namespace,
Map<String, String> metadata) {
if (existing != null) {
throw namespaceAlreadyExists(key, existing, null);
}
+
+ // check if the parent namespace exists
+ List<ContentKey> keys = new ArrayList<>(namespace.levels().length);
+ Map<ContentKey, Content> contentInfo = new HashMap<>();
+ for (int i = 0; i < namespace.levels().length - 1; i++) {
+ Namespace parent = Namespace.of(Arrays.copyOf(namespace.levels(), i +
1));
+ ContentKey parentKey = ContentKey.of(parent.levels());
+ keys.add(parentKey);
+ Content c =
api.getContent().reference(getReference()).key(parentKey).get().get(parentKey);
+ contentInfo.put(parentKey, c);
+ }
+
+
+ ArrayList<Operation.Put> putOperations = new ArrayList<>(keys.size());
+ for (Map.Entry<ContentKey, Content> contentKeyContentEntry :
contentInfo.entrySet()) {
+ if (contentKeyContentEntry.getValue() == null) {
+ org.projectnessie.model.Namespace parentContent =
+ org.projectnessie.model.Namespace.of(
+ contentKeyContentEntry.getKey().getElements(),
ImmutableMap.of());
+ putOperations.add(Operation.Put.of(contentKeyContentEntry.getKey(),
parentContent));
Review Comment:
> So, we need to handle drop namespace as well.
No
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