code: public static <T> int clearTable(ConnectionSource connectionSource, DatabaseTableConfig<T> tableConfig)
  			throws SQLException {
  		return clearTable(connectionSource, tableConfig.getTableName());
  	}
docs: Clear all data out of the table. For certain database types and with large sized tables, which may take a long
  time. In some configurations, it may be faster to drop and re-create the table.
  
  <p>
  <b>WARNING:</b> This is [obviously] very destructive and is unrecoverable.
  </p>