Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread spameden
That's exactly what I thought when reading Michael's email, but tried anyways, thanks for clarification :) 2012/10/16 > 2012/10/16 12:57 -0400, Michael Dykman > your now() statement is getting executed for every row on the select. try > ptting the phrase up front > as in: > set @ut= u

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread hsv
2012/10/16 12:57 -0400, Michael Dykman your now() statement is getting executed for every row on the select. try ptting the phrase up front as in: set @ut= unix_timestamp(now()) and then use that in your statement. Quote: Functions that return the current date or time each are

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread spameden
Interesting thought, but I get the same result. # Query_time: 0.001769 Lock_time: 0.001236 Rows_sent: 0 Rows_examined: 0 use kannel; SET timestamp=1350413592; select * from send_sms FORCE INDEX (priority_time) where time<=@ut order by priority limit 0,11; the MySQL i'm using is 5.5.28 from dotd

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread Michael Dykman
your now() statement is getting executed for every row on the select. try ptting the phrase up front as in: set @ut= unix_timestamp(now()) and then use that in your statement. On 2012-10-16 8:42 AM, "spameden" wrote: Will do. mysql> SHOW GLOBAL VARIABLES LIKE '%log%'; +---

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread spameden
Will do. mysql> SHOW GLOBAL VARIABLES LIKE '%log%'; +-+-+ | Variable_name | Value | +-+-+ | back_log

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-16 Thread Shawn Green
On 10/15/2012 7:15 PM, spameden wrote: Thanks a lot for all your comments! I did disable Query cache before testing with set query_cache_type=OFF for the current session. I will report this to the MySQL bugs site later. First. What are all of your logging settings? SHOW GLOBAL VARIAB

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread spameden
ptimizer's choice. > > ** ** > > *From:* spameden [mailto:spame...@gmail.com] > *Sent:* Monday, October 15, 2012 3:29 PM > > *To:* Rick James > *Cc:* mysql@lists.mysql.com > *Subject:* Re: mysql logs query with indexes used to the slow-log and not > logging if

RE: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread Rick James
From: spameden [mailto:spame...@gmail.com] Sent: Monday, October 15, 2012 3:29 PM To: Rick James Cc: mysql@lists.mysql.com Subject: Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order Sorry, forgot to say: mysql> show variables lik

RE: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread Rick James
ber 15, 2012 3:23 PM To: Rick James Cc: mysql@lists.mysql.com Subject: Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order Sorry, my previous e-mail was a test on MySQL-5.5.28 on an empty table. Here is the MySQL-5.1 Percona testing table: mys

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread spameden
Sorry, forgot to say: mysql> show variables like 'long_query_time%'; +-+---+ | Variable_name | Value | +-+---+ | long_query_time | 10.00 | +-+---+ 1 row in set (0.00 sec) It's getting in the log only due: mysql> sh

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread spameden
Sorry, my previous e-mail was a test on MySQL-5.5.28 on an empty table. Here is the MySQL-5.1 Percona testing table: mysql> select count(*) from send_sms_test; +--+ | count(*) | +--+ | 143879 | +--+ 1 row in set (0.03 sec) Without LIMIT: mysql> desc select * from send_s

RE: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread Rick James
* Rows = 11 / 22 -- don't take the numbers too seriously; they are crude approximations based on estimated cardinality. * The 11 comes from the LIMIT -- therefore useless in judging the efficiency. (The 22 may be 2*11; I don't know.) * Run the EXPLAINs without LIMIT -- that will avoid the bogu

Re: mysql logs query with indexes used to the slow-log and not logging if there is index in reverse order

2012-10-15 Thread spameden
Hi, I've just checked on MySQL-5.5.28 it acts absolutely same. I need to use (priority,time) KEY instead of (time, priority) because query results in better performance. With first key used there is no need to sort at all, whilst if using latter: mysql> *desc select * from send_sms_test FORCE IN

Re: mysql logs too much

2004-09-29 Thread Paul DuBois
At 12:52 +0530 9/29/04, Kausalya Ramaswamy wrote: Does mysql 4.0 onwards log cached querries also or only direct non cached database access queries? i am getting enormous amount of log in the form of querries. ours is a databse driven website using mysql and php.thanks for the reply in advance If y

Re: mySQL logs on Linux

2002-10-25 Thread Paul DuBois
At 3:02 -0800 10/25/02, neal wrote: Could someone tell me where the logs are written to by default, for a 3.23 install of MySQL on Linux? To the data directory. The location of this may vary per installation, but you can discover it with this query: SHOW VARIABLES LIKE 'datadir'; I looked i

re: mySQL logs on Linux

2002-10-25 Thread Egor Egorov
neal, Friday, October 25, 2002, 2:02:18 PM, you wrote: n> Could someone tell me where the logs are written to by default, for a 3.23 n> install of MySQL on Linux? n> I looked in /usr/share/mysql/english and each directory leading up to it, n> but I didn't see anything resembling a log file. By d

Re: mySQL logs on Linux

2002-10-25 Thread David Bordas
> Could someone tell me where the logs are written to by default, for a 3.23 > install of MySQL on Linux? > > I looked in /usr/share/mysql/english and each directory leading up to it, > but I didn't see anything resembling a log file. > > Thanks. > Neal Logs are in your data directory with the T

Re: MySQL LOGS

2002-09-10 Thread Paul DuBois
At 7:32 +0100 9/10/02, nick gatsis wrote: >Does anybody know how to make log files for each of my >databases? Log files are not written on a per-database basis. >Thanx > >sql, query - Before posting, please check: http://ww