posted mailed
Gavin Towey wrote:
Hi Pol,
MySQL support FULLTEXT indexes, and natural language searches, including
Boolean conditions. This may help you; however, you will have to adjust
the default behavior of the index, but changing server settings. By
default there is a minimum word
Hi Everyone,
Can anyone suggest why the following query is taking upwards of 5
seconds to run?
SELECT * FROM users
JOIN sites ON users.ID = sites.userid
WHERE users.username = 'user1234'
OR users.email = 't...@test.com'
OR sites.email = 't...@test.com' mailto:'ccf...@googlemail.com'
The
Hi All,
I have this data in both oracle and mysql.
select * from tmp;
T
--
asdf
/sr/db/ora/ora.ora
asdfljk
asdlkjf
asdf
/sr/db/ora/ora.ora
/sr/db/ora/aaa.ora
asdlkjf
Where t is a varchar column, with each row having multiple lines.
I can write this
MySQL can only use one index at a time. Your OR's makes it unable to use any
of the indexes.
You could try a UNION:
SELECT * FROM users
WHERE users.username='user1234'
UNION
SELECT * FROM users
INNER JOIN sites ON users.id=sites.userid
WHERE users.email='t...@test.com'
UNION
SELECT * FROM users
You could try:
SELECT * FROM tmp WHERE t REGEXP '^/sr/db/.*';
On Thu, Aug 20, 2009 at 9:15 AM, Ananda Kumar anan...@gmail.com wrote:
Hi All,
I have this data in both oracle and mysql.
select * from tmp;
T
--
asdf
/sr/db/ora/ora.ora
On Thu, Aug 20, 2009 at 10:43 AM, Johnny Withersjoh...@pixelated.net wrote:
MySQL can only use one index at a time.
That was fixed years ago, in MySQL 5.0.
http://dev.mysql.com/doc/refman/5.0/en/index-merge-optimization.html
- Perrin
--
MySQL General Mailing List
For list archives:
You didn't say what version of MySQL you're using or if you're using MyISAM
tables (assumed).
Since you are using OR's you may find it faster to use Union on 3 select
statements.
It looks something like this:
SELECT * FROM users
JOIN sites ON users.ID = sites.userid
WHERE users.username =
Hi, Martijn, Gavin.
SHOW INNODB STATUS gave me helpful messages like following:
LATEST FOREIGN KEY ERROR
090821 12:53:18 Error in foreign key constraint of table test_fk/tbl1:
FOREIGN KEY (`col1` , `col2` , `col3` )
REFERENCES
