public void alterDatabaseInCache(String catName, String dbName, Database newDb) {
    try {
      cacheLock.writeLock().lock();
      removeDatabaseFromCache(catName, dbName);
      addDatabaseToCache(newDb.deepCopy());
      isDatabaseCacheDirty.set(true);
    } finally {
      cacheLock.writeLock().unlock();
    }
  }
Replaces the old db object with the new one. This will add the new database to cache if it does
not exist.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/SharedCache.java