/**
* Check MySQL server's ft_min_word_len setting so we know
* if we need to pad short words...
*
* @return int
*/
protected function minSearchLength()
{
if (is_null(self::$mMinSearchLength)) {
$sql = "SHOW GLOBAL VARIABLES LIKE 'ft\\_min\\_word\\_len'";
$dbr = wfGetDB(DB_SLAVE);
$result = $dbr->query($sql);
$row = $result->fetchObject();
$result->free();
if ($row && $row->Variable_name == 'ft_min_word_len') {
self::$mMinSearchLength = intval($row->Value);
} else {
self::$mMinSearchLength = 0;
}
}
return self::$mMinSearchLength;
}
public static function legalSearchChars()
{
return "\"*" . parent::legalSearchChars();
}
