public void setNewDb(@org.apache.thrift.annotation.Nullable Database newDb) {
    this.newDb = newDb;
  }
Returns true if field oldDbName is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/AlterDatabaseRequest.java