FULLTEXT BUG 247 charachter

>Hi Debugger
>it's about MySQL 4.0.1 and higher. Trouble is when searching using FULLTEXT index through the russian database having more than 1000 records the DB gives wrong results when it stumbles over the cyrrilic character 247 (cp1251) in the middle of a word. I have the impression as tho the MySQL considers 247 a
>space charachter given the fact that if you write a word up to the character including it and then stop and start query it'll find you all records containing this 'word' up to this character 247.
Boris

How-To-Repeat:
CREATE TABLE buggy (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
TEXTRESUME TEXT,
FULLTEXT (TEXRESUME)
);

INSERT INTO buggy VALUES
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ1'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ2'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ3'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ4'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ5'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÉÊ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÁÑ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÍÉÆÏÌÏÇÉÞÅÓËÉÊ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ6'),
(0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ7');

SELECT TEXRESUME FROM buggy WHERE MATCH (TEXRESUME) AGAINST ('ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÉÊ');







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Re: FULLTEXT BUG 247 charachter

Hi!

On Nov 21, wheelly wrote:
> >Hi Debugger
> >it's about MySQL 4.0.1 and higher. Trouble is when searching using
> >FULLTEXT index through the russian database having more than 1000
> >records the DB gives wrong results when it stumbles over the cyrrilic
> >character 247 (cp1251) in the middle of a word. I have the impression
> >as tho the MySQL considers 247 a space charachter given the fact that
> >if you write a word up to the character including it and then stop
> >and start query it'll find you all records containing this 'word' up
> >to this character 247.
> Boris
>
> How-To-Repeat:
> CREATE TABLE buggy (
> id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
> TEXTRESUME TEXT,
> FULLTEXT (TEXRESUME)
> );
>
> INSERT INTO buggy VALUES
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ1'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ2'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ3'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ4'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ5'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÉÊ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÁÑ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ ÍÉÆÏÌÏÇÉÞÅÓËÉÊ ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ6'),
> (0,'ðÒÁ×ÄÏÐÏÄÏÂÎÙÅ ÉÓÔÏÒÉÉ7');
>
> SELECT TEXRESUME FROM buggy WHERE MATCH (TEXRESUME) AGAINST ('ÆÁÒÍÁÃÅ×ÔÉÞÅÓËÉÊ');

What was the the result that you got ?

It works as expected for me both in koi8_ru and cp1251 charsets
(after I set default-character-set properly).

Regards,
Sergei

--
MySQL Development Team
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Sergei Golubchik
/ /|_/ / // /\ \/ /_/ / /__ MySQL AB, http://www.mysql.com/
/_/ /_/\_, /___/\___\_\___/ Osnabrueck, Germany
<___/

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