drop database req

Author: dengzhhu653

standalone-metastore/metastore-client/src/main/java/org/apache/hadoop/hive/metastore/client/ThriftHiveMetaStoreClient.java

@@ -1517,7 +1517,22 @@ public boolean createType(Type type) throws AlreadyExistsException,
 
   @Override
   public void dropDatabase(DropDatabaseRequest req) throws TException {
-    client.drop_database_req(req);
+    req.setAsyncDrop(!isLocalMetaStore());
+    AsyncOperationResp resp = client.drop_database_req(req);
+    req.setId(resp.getId());
+    try {
+      while (!resp.isFinished() && !Thread.currentThread().isInterrupted()) {
+        resp = client.drop_database_req(req);
+        if (resp.getMessage() != null) {
+          LOG.info(resp.getMessage());
+        }
+      }
+    } finally {
+      if (!resp.isFinished()) {
+        req.setCancel(true);
+        client.drop_database_req(req);
+      }
+    }
   }
 
   @Override

standalone-metastore/metastore-common/src/gen/thrift/gen-cpp/ThriftHiveMetastore.cpp

@@ -85,7 +85,7 @@ class ThriftHiveMetastoreHandler : virtual public ThriftHiveMetastoreIf {
     printf("drop_database\n");
   }
 
-  void drop_database_req(const DropDatabaseRequest& req) {
+  void drop_database_req(AsyncOperationResp& _return, const DropDatabaseRequest& req) {
     // Your implementation goes here
     printf("drop_database_req\n");
   }