Hy
I want to sum quantites but there is some data that value is negative but
users didn't write the - sign before. I can decide which datas are negative.
I would like something like that
select sum(moved_quantities) from db
if moving like 'Move-' then sum seem the move is
Hi,
for a database project i need to know how indexes impact on query usage.
the explain command gives me only infos if index is used or not...and
some other infos.
i need to know the file access plan.
i mean:
access the index - find the value - access the file page
something like a strace
Oops, I meant to send this to the list.
Rhino
- Original Message -
From: Rhino [EMAIL PROTECTED]
To: Mester József [EMAIL PROTECTED]
Sent: Friday, January 06, 2006 8:44 AM
Subject: Re: SQL Question
- Original Message -
From: Mester József [EMAIL PROTECTED]
To: Mysql list
Carlos Vasquez wrote:
How come this doesn't work?
Wp_photos.photo = IMG_1234.JPG
Pixelpost_pixelpost.headline = /this/path/to/directory/IMG_1234.JPG
So I need to just match the latter-bit of the file.
update pixelpost_pixelpost,wp_posts,wp_photos
set
On Wednesday, January 4, 2006 1313, Chander Ganesan [EMAIL PROTECTED] wrote:
John Hoover wrote:
I need some advice re my choice of a storage engine for
transaction-safe processing and including tables that are not
transaction-safe within transactions.
The problem: We need to insert related
Hi All,
A little background here...
I have recently moved over to V 5.0.18-standard from 4.1.14. Pardon my
ignorance, but after 2 very late nights, I am about getting to my wits
end :)
This move wasn't entirely planned. A coworker started a alter
table... command via mysql control center
Hi -
I am trying to download the 5.1 development sources as per
the documentation; when I try this:
export PATH=/home/beau/src/bitkeeper/bk_client-1.1:$PATH
sfioball -r+ bk://mysql.bkbits.net/mysql-5.1 mysql-5.1
I get this:
ERROR-cannot cd to mysql-5.1 (illegal, nonexistant, or not package
Hi All,
forgot something in my other post:
machine is running suse 9.3, 2.6.11.4-20a-smp kernel.
Ok, I think I know the answer here... but just to make sure :)
4.1.14 ran with about 10 mysqld process.
skip-innodb was initially turned on in the my.cnf before the attempted
migration to
On Fri, Jan 06, 2006 at 06:02:05AM -1000, Beau E. Cox wrote:
Hi -
I am trying to download the 5.1 development sources as per
the documentation; when I try this:
export PATH=/home/beau/src/bitkeeper/bk_client-1.1:$PATH
sfioball -r+ bk://mysql.bkbits.net/mysql-5.1 mysql-5.1
The name of the
Beau E. Cox wrote:
Hi -
I am trying to download the 5.1 development sources as per
the documentation; when I try this:
export PATH=/home/beau/src/bitkeeper/bk_client-1.1:$PATH
sfioball -r+ bk://mysql.bkbits.net/mysql-5.1 mysql-5.1
I get this:
ERROR-cannot cd to mysql-5.1 (illegal,
Hello.
My conclusion so far: The data is in the relay-log on C but it's not put
into the database for some reason. I simply have no clue what reason it
could be. In fact i'm a little bit confused right now so any help is
very welcome.
In you original message you told you were working
Hello.
Do you want something similare to this:
SELECT SUM(IF(moving like 'Move-',-moved_quantities,moved_quantites))
FROM DB;
Have a look here:
http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html
Mester József wrote:
Hy
I want to sum quantites but there
Hello.
This is a bug:
http://bugs.mysql.com/bug.php?id=16249
Leo wrote:
Hi All,
I got a problem with a query that involved datetime field.
the table structure goes something like this :
CREATE TABLE `price_log` ( `Item`
char(20) NOT
Hello.
Usually working with IP addresses in a numeric form is faster. Use
INET_NTOA() and INET_ATON() functions to store IP addresses as unsigned
ints. To work with subnetworks instead of like 'xxx.xxx.%' use
ip_address_in_numeric_form between inet_aton('xxx.xxx.0.0') and
Gleb Paharenko wrote:
Hello.
I've subsequently upgraded the instance to 5.0.18,
Have you updated master to 5.0.18 as well?
- unfortunately, the set up demands that the master stays at 4.0. I
can't change that. The triggers were working in 5.0.16. It's the new
DEFINER that
John Hoover [EMAIL PROTECTED] wrote on 01/06/2006 10:21:40 AM:
snipped
For users that won't connect to the database directly, you probably
don't want to create individual accounts - as if the user connects
directly they can perform operations outside the bounds of your
application (where
On Friday 06 January 2006 06:15 am, Jim Winstead wrote:
On Fri, Jan 06, 2006 at 06:02:05AM -1000, Beau E. Cox wrote:
Hi -
I am trying to download the 5.1 development sources as per
the documentation; when I try this:
export PATH=/home/beau/src/bitkeeper/bk_client-1.1:$PATH
sfioball
On Friday 06 January 2006 06:16 am, gerald_clark wrote:
Beau E. Cox wrote:
Hi -
I am trying to download the 5.1 development sources as per
the documentation; when I try this:
export PATH=/home/beau/src/bitkeeper/bk_client-1.1:$PATH
sfioball -r+ bk://mysql.bkbits.net/mysql-5.1 mysql-5.1
Hello.
I've subsequently upgraded the instance to 5.0.18,
Have you updated master to 5.0.18 as well?
Ian Sales (DBA) wrote:
After upgrading to 5.0.17, the triggers on one of my instances now break
replication with a definer is not fully qualified error. I set the
DEFINER in
This helps a ton! Thanks! I didn' tknow about the INET_NTOA() or the
INET_ATON() functions. That is much quicker to query on them than on a char
set of ips. However, I did notice on the mysql web site that these functions
are only available in 5.x but the way the page is set up I'm a little
Hy
If you know which values are supposed to be negative, wouldn't it be
easier to do updates to your data to change all of those values to
negatives? That should only need to be done once. Then use the normal
SQL sum() function to add all of the values together.
Thank you. Actually my first
Jay Paulson (CE CEN) wrote:
This helps a ton! Thanks! I didn' tknow about the INET_NTOA() or the
INET_ATON() functions. That is much quicker to query on them than on a char set
of ips. However, I did notice on the mysql web site that these functions are
only available in 5.x but the way the page
On Friday, January 6, 2006 1129, [EMAIL PROTECTED] wrote:
I agree with Chander and still recommend application-level
database accounts, not one or more direct MySQL logins per
user. That's how most databases storing data with complex
business rules maintain their data integrity. The SQL data
Hello.
These functions are available in 4.1.16 as well:
mysql select inet_aton('192.168.0.1');
+--+
| inet_aton('192.168.0.1') |
+--+
| 3232235521 |
+--+
1 row in set (0.06 sec)
mysql select
- Original Message -
From: Mester József [EMAIL PROTECTED]
To: Rhino [EMAIL PROTECTED]; mysql mysql@lists.mysql.com
Sent: Friday, January 06, 2006 12:07 PM
Subject: Re: SQL Question
Hy
If you know which values are supposed to be negative, wouldn't it be
easier to do updates to
Michael,
thanks for your feedback!
Jay Paulson (CE CEN) wrote:
This helps a ton! Thanks! I didn' tknow about the INET_NTOA() or the
INET_ATON() functions. That is much quicker to query on them than on a
char set
of ips. However, I did notice on the mysql web site that these
functions are
My quick opinion about this comment below. Unfortunately I'm still using MySQL
3.23.x in production (an on going battle to get them to upgrade is still in
progress). However, our development server is using MySQL 4.1.x (yet another
on going battle to get them to install 3.23.x). Therefore,
Jay,
My quick opinion about this comment below. Unfortunately I'm still
using MySQL 3.23.x in production (an on going battle to get them to
upgrade is still in progress). However, our development server is
using MySQL 4.1.x (yet another on going battle to get them to install
3.23.x).
How do I simply find out who the bubble is now in my db now that we track more than 1 $0 person. I need just the person
with $0 in the amount column with the lowest Place for each date.
I can iterate through it all if needed in PHP, but I am always looking to learn
more SQL tricks.
I am
Why not just use the ABS Function
update ev98nv_tm
set mome=ABS(b)
where tm.tr=tr and tm.ra=ra
and tm.ke=ke
and tm.moti=moti ;
12.4.2. Mathematical Functions
All mathematical functions return NULL in the event of an error.
ABS(X)
Returns the absolute value of X.
Why not just use the ABS Function
update ev98nv_tm
set mome=ABS(b)
where tm.tr=tr and tm.ra=ra
and tm.ke=ke
and tm.moti=moti ;
12.4.2. Mathematical Functions
All mathematical functions return NULL in the event of an error.
ABS(X)
Returns the absolute value of X.
I was doing some testing with our development mysql server (4.1.x) and one of
the databases died and wouldn't let me do anything not even read the tables in
the database. So I thought I would bring it down and start it back up. I
proceeded to use ./mysqladmin shutdown command which did what I
Hi everyone,
I've recently tried installing webcalander http://www.k5n.us/webcalendar.php on
my FBSD box.
I'm using version 5.1.1 of PHP, version 5.0.17 of MySQL, and version
1.0.2of Webcalander.
I've posted for help on the webcal list and the few respondents seemed to
think it might be a mysql
Hi All,
Just wanted to apologize for my earlier rambling emails.
I am been working on recoving from a innodb corruption for 2 days now
and was really in panic mode.
Everything seems to be running well with 5.0.18, althought my server
load it up there.
I am running 5.0.18 on a Suse 9.3 box, P4 3
When building mysql on a x86 solaris 9 server and running make I get the
following error:
make[2]: Entering directory `/kit1/software/mysql-5.0.18/strings'
gcc -c -o strings-x86.o strings-x86.s
Assembler:
strings-x86.s, line 1 : Warning: Error in the # lineno from
preprocessor
This is really a question of RPMs (though it arises because I'm eager
to move from MySQL 4.1 to MySQL 5). If I knew the correct place to
post the question, I would probably know where to find the answer. I
do suspect that it's a FAQ, but I haven't found the right search terms.
I'm using
I am trying to understand exactly how replication works. So far, I see that
changes made on a master server are replicated to the slave server(s).
However, if a change is made on a slave server, is that replicated back to
the master as well as all other slaves?
I am asking this question as I
Jason Williard wrote:
I am trying to understand exactly how replication works. So far, I see that
changes made on a master server are replicated to the slave server(s).
However, if a change is made on a slave server, is that replicated back to
the master as well as all other slaves?
It can
Hello,
I'm new to views and am discovering massive performance hits in the views
I've created once the records start to climb above 20,000 or so. Does
anyone know of a great primer/tutorial site for optimizing views in MySQL,
or even generally? What are the best practices etc...? I find when I
On Jan 6, 2006, at 4:38 PM, Jeffrey Goldberg wrote:
I'm using SuSE 9.3 (not the Enterprise Server), and I would like to
upgrade from MySQL 4.1 to the latest stable version. There do not
appear to be SuSE rpms for 5.0.
Someone has kindly pointed out to me off-list that there are generic
Thank you very much to all who responded. I ended up using Shawn's solution,
the others seem good as well.
Thanks again. Have a great weekend.
Richard
[EMAIL PROTECTED] wrote:
Try this:
SELECT c_no
, SUM(1) as total_tx
, SUM(if(`date` = now() - interval 6 month,1,0))
Hello All,
I've been racking my brain trying to figure out something. I'm
relatively new to the arena of SQL and have been doing a bunch of
reading and experimenting.
I have found a need for a trigger that will fire after an insert
into a table. The trigger needs to act
Hi,
Im wondering if there is a way to combine the following queries into
ONE query, or at the very least fewer queries... (DATE) is
today's date.
SELECT DISTINCT ip_address
FROM logfile
WHERE site_id = x
AND date_time LIKE (DATE)
GROUP BY
Hi,
Im wondering if there is a way to combine the following queries into
ONE query, or at the very least fewer queries... (DATE) is
today's date.
SELECT DISTINCT ip_address
FROM logfile
WHERE site_id = x
AND date_time LIKE (DATE)
GROUP BY
Is it possible to SET values on fields that involve the TABLE that
invoked the TRIGGER with SET actions.
I have the following lines in my trigger:
delimiter //
CREATE TRIGGER trigger_registration_and_attendance_before_insert
BEFORE INSERT
ON registration_and_attendance
FOR EACH ROW
BEGIN
On Jan 5, 2006, at 9:38 PM, Michael Stassen wrote:
DATEDIFF was added in 4.1.1. What version of mysql do you have?
Thanks Michael - that was indeed the problem. Some ancient-ass
version that's been on my development server for who knows how many
years, in accordance with the If it ain't
Sorry for responding to my own message. I figured this out.
DELIMITER //
CREATE TRIGGER only_this AFTER INSERT ON table_a
FOR EACH ROW
BEGIN
IF NEW.email_addr LIKE '[EMAIL PROTECTED]' THEN
INSERT INTO table_b (email_addr,value) VALUES (NEW.email_addr,0);
END IF;
END
On Saturday, January
Scott Klarenbach [EMAIL PROTECTED] wrote on 01/06/2006 08:13:10
PM:
Hello,
I'm new to views and am discovering massive performance hits in the
views
I've created once the records start to climb above 20,000 or so. Does
anyone know of a great primer/tutorial site for optimizing views in
I've installed mysql 4 and noticed that both mysql 4.0 and 4.1 was on the
system. In my attempt to remove the older version I may have done away with my
mysqld.sock. When I try to access mysql i'm getting the following message:
debOS:~# /etc/init.d/mysql start
Starting MySQL database server:
Hi Jon,
This reference will give you all the info you need.
http://dev.mysql.com/doc/refman/4.1/en/can-not-connect-to-server.html
Regards
---
** _/ ** David Logan
*** _/ *** ITO Delivery
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