@Override
  public List<String> get() {
    // DROP (DATABASE|SCHEMA) [IF EXISTS] database_name [RESTRICT|CASCADE];
    StringBuilder sb = new StringBuilder();
    sb.append("DROP DATABASE IF EXISTS ");
    sb.append(dbName);
    sb.append(" CASCADE");
    return Collections.singletonList(sb.toString());
  }
Trivial ctor to support Writable reflections instantiation
do not expect to use this object as-is, unless you call
readFields after using this ctor
hcatalog/webhcat/java-client/src/main/java/org/apache/hive/hcatalog/api/repl/commands/DropDatabaseCommand.java