-- phpMyAdmin SQL Dump
-- version 3.5.2.2
-- http://www.phpmyadmin.net
--
-- Host: 127.0.0.1
-- Generato il: Ott 23, 2014 alle 22:21
-- Versione del server: 5.5.27
-- Versione PHP: 5.4.7
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
--
-- Database: `searchdb`
--
DELIMITER $$
--
-- Funzioni
--
CREATE DEFINER=`root`@`localhost` FUNCTION `levenshtein`( s1 VARCHAR(255), s2 VARCHAR(255) ) RETURNS int(11)
DETERMINISTIC
BEGIN
DECLARE s1_len, s2_len, i, j, c, c_temp, cost INT;
DECLARE s1_char CHAR;
-- max strlen=255
DECLARE cv0, cv1 VARBINARY(256);
SET s1_len = CHAR_LENGTH(s1), s2_len = CHAR_LENGTH(s2), cv1 = 0x00, j = 1, i = 1, c = 0;
IF s1 = s2 THEN
RETURN 0;
ELSEIF s1_len = 0 THEN
RETURN s2_len;
ELSEIF s2_len = 0 THEN
RETURN s1_len;
ELSE
WHILE j <= s2_len DO
SET cv1 = CONCAT(cv1, UNHEX(HEX(j))), j = j + 1;
END WHILE;
WHILE i <= s1_len DO
SET s1_char = SUBSTRING(s1, i, 1), c = i, cv0 = UNHEX(HEX(i)), j = 1;
WHILE j <= s2_len DO
SET c = c + 1;
IF s1_char = SUBSTRING(s2, j, 1) THEN
SET cost = 0; ELSE SET cost = 1;
END IF;
SET c_temp = CONV(HEX(SUBSTRING(cv1, j, 1)), 16, 10) + cost;
IF c > c_temp THEN SET c = c_temp; END IF;
SET c_temp = CONV(HEX(SUBSTRING(cv1, j+1, 1)), 16, 10) + 1;
IF c > c_temp THEN
SET c = c_temp;
END IF;
SET cv0 = CONCAT(cv0, UNHEX(HEX(c))), j = j + 1;
END WHILE;
SET cv1 = cv0, i = i + 1;
END WHILE;
END IF;
RETURN c;
END$$
DELIMITER ;
-- --------------------------------------------------------
--
-- Struttura della tabella `table1`
--
CREATE TABLE IF NOT EXISTS `table1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`Searchable` varchar(50) NOT NULL,
`Other_Searchable` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=8 ;
--
-- Dump dei dati per la tabella `table1`
--
INSERT INTO `table1` (`id`, `Searchable`, `Other_Searchable`) VALUES
(1, 'ettore', ''),
(2, 'xara', ''),
(3, 'yuppi', ''),
(4, 'ciao', ''),
(5, 'ettorx', ''),
(6, 'ettaro', ''),
(7, 'direttore', '');
-- --------------------------------------------------------
--
-- Struttura della tabella `table2`
--
CREATE TABLE IF NOT EXISTS `table2` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`Searchable` varchar(50) NOT NULL,
`Other_Searchable` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=5 ;
--
-- Dump dei dati per la tabella `table2`
--
INSERT INTO `table2` (`id`, `Searchable`, `Other_Searchable`) VALUES
(1, 'roma', ''),
(2, 'milano', ''),
(3, 'parma', ''),
(4, 'pavia', '');
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
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