public void dropTable(String dbName, String tableName) throws HiveException {
    dropTable(dbName, tableName, true, true, false);
  }
Drops table along with the data in it. If the table doesn't exist then it
is a no-op

@param dbName
         database where the table lives
@param tableName
         table to drop
@throws HiveException
          thrown if the drop fails
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java