/**
*
* This allows the cached values for a table's field list to be erased.
* If $tablename is empty, then the whole cache is erased.
*
* @param string $tableName
*
* @return boolean
*/
function clearCachedFieldlist($tableName = false)
{
if ($tableName != false) {
unset(self::$cached_fieldlists[$tableName]);
} else {
self::$cached_fieldlists = array();
}
return true;
}
