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_r360476043
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File path: core/src/main/java/org/apache/iceberg/hadoop/HadoopCatalog.java
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@@ -195,6 +205,109 @@ public void renameTable(TableIdentifier from,
TableIdentifier to) {
throw new UnsupportedOperationException("Cannot rename Hadoop tables");
}
+ @Override
+ public void createNamespace(Namespace namespace, Map<String, String> meta) {
+ Preconditions.checkArgument(!namespace.isEmpty(),
+ "Cannot create namespace with invalid name: %s", namespace.toString());
+ Preconditions.checkArgument(meta == null || meta.size() == 0,
+ "Hadoop Catalog not support namespace metaData: %s",
namespace.toString());
+
+ Path nsPath = new Path(SLASH.join(warehouseLocation,
SLASH.join(namespace.levels())));
+ FileSystem fs = Util.getFs(nsPath, conf);
+ try {
+ fs.mkdirs(nsPath);
+ } catch (IOException e) {
+ throw new RuntimeIOException("Create namespace failed: %s",
namespace.toString(), e.getMessage());
+ }
+ }
+
+ @Override
+ public List<Namespace> listNamespaces(Namespace namespace) {
+ // Preconditions.checkArgument(!namespace.isEmpty(), "Your Namespace must
be not empty!");
Review comment:
This should be removed.
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