nk1506 commented on code in PR #9852:
URL: https://github.com/apache/iceberg/pull/9852#discussion_r1526465824
##########
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveCatalog.java:
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@@ -269,6 +284,160 @@ public void renameTable(TableIdentifier from,
TableIdentifier originalTo) {
}
}
+ @Override
+ public boolean dropView(TableIdentifier identifier) {
+ if (!isValidIdentifier(identifier)) {
+ return false;
+ }
+
+ try {
+ String database = identifier.namespace().level(0);
+ String viewName = identifier.name();
+ Table table = clients.run(client -> client.getTable(database, viewName));
+ HiveViewOperations.validateTableIsIcebergView(
+ table, CatalogUtil.fullTableName(name, identifier));
+ clients.run(
+ client -> {
+ client.dropTable(database, viewName);
+ return null;
+ });
+ LOG.info("Dropped View: {}", identifier);
+ return true;
+
+ } catch (NoSuchViewException | NoSuchObjectException e) {
+ LOG.info("Skipping drop, View does not exist: {}", identifier, e);
+ return false;
+ } catch (TException e) {
+ throw new RuntimeException("Failed to drop " + identifier, e);
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new RuntimeException("Interrupted in call to dropView", e);
+ }
+ }
+
+ @Override
+ public List<TableIdentifier> listViews(Namespace namespace) {
+ Preconditions.checkArgument(
+ isValidateNamespace(namespace), "Missing database in namespace: %s",
namespace);
+
+ try {
+ return listTablesByType(
+ namespace, TableType.VIRTUAL_VIEW,
BaseMetastoreTableOperations.ICEBERG_VIEW_TYPE_VALUE);
+ } catch (UnknownDBException e) {
+ throw new NoSuchNamespaceException("Namespace does not exist: %s",
namespace);
+
+ } catch (TException e) {
+ throw new RuntimeException("Failed to list all views under namespace " +
namespace, e);
+
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new RuntimeException("Interrupted in call to listViews", e);
+ }
+ }
+
+ private List<TableIdentifier> listTablesByType(
Review Comment:
Reverted.
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