From: Paul DuBois
At 17:50 -0500 5/16/04, Paul DuBois wrote:
Not a huge difference, I guess. But I suppose if a query that
uses one or the other of these expressions processes a large number
of rows, it might pay to run some comparative testing.
Another interesting point is whether one
select count(distinct membros.ID) as total_membros, count(distinct
replays.ID) as total_replays, count(distinct downloads.ID) as
total_downloads from membros,replays,downloads;
if one of the tables have 0 records all the counts will turn to 0
the count works only if all the tables have records
From: Gustavo Andrade
select count(distinct membros.ID) as total_membros, count(distinct
replays.ID) as total_replays, count(distinct downloads.ID) as
total_downloads from membros,replays,downloads;
Why join three tables to count the records in each one? I'm sure the
performance will be poor
I have a table that has a datetime field that gets set every time
data gets entered in the table (for example 2004-05-16 19:08:59). How
can I select all entries that were entered one year ago today. And, how
can I select entries that were entered one year ago today +7 days.
So, if
In the last episode (May 17), Gustavo Andrade said:
select count(distinct membros.ID) as total_membros, count(distinct
replays.ID) as total_replays, count(distinct downloads.ID) as
total_downloads from membros,replays,downloads;
if one of the tables have 0 records all the counts will turn
try...
#include windows.h
#include mysql.h
int main(void)
{
MYSQL *database;
database = mysql_init(database);
return(0);
}
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, April 26, 2004 8:25 AM
Subject: C Client compil error
Hello
Hmm, well, I seem to have resolved the problem, and it looks like it
was not MySQL's fault. I updated the OS to the current testing release
of Debian, which included a C library update. Following a reboot, the
code worked perfectly. Looks like this was an Itanium2 C library bug,
most
* Ashley M. Kirchner
I have a table that has a datetime field that gets set every time
data gets entered in the table (for example 2004-05-16 19:08:59). How
can I select all entries that were entered one year ago today. And, how
can I select entries that were entered one year ago today
Anders Gjermshus [EMAIL PROTECTED] wrote:
In the mysql documentation it stands:
max_user_connections
The maximum number of simultaneous connections allowed to any given MySQL
account. A value of 0 means ``no limit.'' This variable was added in MySQL
3.23.34.
In my configuration
Jianping Zhu [EMAIL PROTECTED] wrote:
I have database Zope
I run following command and get error
myql grant all on Zope.* to [EMAIL PROTECTED];
ERROR 1044: Access denied for user: '[EMAIL PROTECTED]' to database 'Zope'
mysql
As a consequece I try to access Zope from a web, it also
On Intel - FreeBSD 4.9 STABLE
- using MySQL Ver 11.18 Distrib 3.23.55, for portbld-freebsd4.7 (i386)
On AMD64 - FreeBSD 5.2 CURRENT
- using Mysql Ver 14.3 Distrib 4.1.1-alpha, for portbld-freebsd5.2.1 (amd64)
I get the same compile error:
# make
make all-recursive
Making all in src
c++
Justin,
- Alkuperäinen viesti -
Lähettäjä: Justin Swanhart [EMAIL PROTECTED]
Vastaanottaja: Sasha Pachev [EMAIL PROTECTED]
Kopio: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Lähetetty: Friday, May 14, 2004 9:22 PM
Aihe: Re: unexpected create table as lock issue
--- Sasha Pachev [EMAIL
Hi,
Our healthcare organization has 2 geographical locations which I will
call corporate_office and satellite_office.
Currently, we run a medical application from a MySQL server at the
corporate_office. Users at the satellite_office use the same server.
Speed across the WAN is acceptable.
Robinson, Eric [EMAIL PROTECTED] wrote on 17/05/2004 13:40:10:
We want to set up replication to guard against loss of WAN connectivity.
All workstations should continue to use the MySQL server at the
corporate_office unless the WAN link goes down. Then users at the
satellite_office
KingKarsten wrote:
Aloha!
I want to create a date table which will get about 2 thousand entries per
year and should easyly handle 10 years, which means about 20.000 entries.
Is that realistic? Or shall I reorganize my database?
Where is the border of too many entries and MySQL gets slow?
Thanks
there is no mechanism for propagating slave changes
from the slave back up to the master... synchronization
occurs *only* from master to slave
(hence the terminology).
Then why do they call it 2-way replication? Is there such a thing as
master-to-master?
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MySQL General Mailing List
For
Hello,
trying to save hd-space we configured a 4.0.17-Replicationclient in
my.cnf as shown below:
max_relay_log_size= 250M
relay_log_space_limit = 1000M
After restarting Mysql a new relay_log was created correctly every 250M,
so we thought everything was working well. The disaster occured
DESCRIPTION:
Mysqld appears to crash every few days or so. The .err file shows
that it may be an innodb problem. (See below for detail)
How-To-Repeat
I am not able to repeat the problem. The query that runs when the
mysqld server dies, is automatically re-run when the server comes back
Robinson, Eric [EMAIL PROTECTED] wrote on 17/05/2004 15:48:12:
there is no mechanism for propagating slave changes
from the slave back up to the master... synchronization
occurs *only* from master to slave
(hence the terminology).
Then why do they call it 2-way replication? Is there
Circular replication is possible... A-B-C-A
Thanks, but that still does not answer the question... why do they call
it 2-way replication? That implies two machines, not several.
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It is there. Look for two-way :-)
I don't think they do... A search of the documentation for
2-way yields nothing.
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To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
I have a table structured like so:
CREATE TABLE `foo_equivalency` (
`foo_id` smallint(6) NOT NULL default '0',
`type` enum('a_id','b_id','foo_id') NOT NULL default 'foo_id',
`id` smallint(6) NOT NULL default '0',
KEY `foo_id` (`foo_id`),
KEY `type` (`type`)
) TYPE=MyISAM
I'm using a
Hi all,
In this A-B-C-A setup
A is master and B is slave. in the same time B is master and C is
slave.
and C is master and A is slave.
that means All are master and slave.
then why don`t A---BA
in this same thinking i tried it and its working.
for the time being it in a test platform
That is my question exactly.
-Original Message-
From: Ditto kolankanny [mailto:[EMAIL PROTECTED]
Sent: Monday, May 17, 2004 8:40 AM
To: Robinson, Eric; [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: RE: 1-Way or 2-Way Replication?
Hi all,
In this A-B-C-A setup
A is master and B is
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On Monday 17 May 2004 10:40 am, Ditto kolankanny wrote:
Hi all,
In this A-B-C-A setup
A is master and B is slave. in the same time B is master and C is
slave.
and C is master and A is slave.
that means All are master and slave.
then why
Robinson, Eric [EMAIL PROTECTED] wrote on 17/05/2004 16:29:34:
It is there. Look for two-way :-)
I don't think they do... A search of the documentation for
2-way yields nothing.
I presume you mean http://dev.mysql.com/doc/mysql/en/Replication_FAQ.html
That is the simplest example of
Use force index to force the index lookup on foo_id
If that doesn't work try analyze table on that table and run the explain
again.
The OR will not allow you to use a compound index but the primary key or 1st
key-foo_id should be used. I just noticed that your table definition foo_id
is not
On Sat, 2004-05-15 at 04:04, David Blomstrom wrote:
--- Jigal van Hemert [EMAIL PROTECTED] wrote:
If you need to know how to display the resulting
record sets, example 1 on:
http://www.php.net/manual/en/ref.mysql.php
gives you a complete piece of code to print out the
resulting
richard [EMAIL PROTECTED] wrote:
Is it possible to setup MySQL in french ?
For example, when I write and execute SELECT monthname(mydate) from
mytable, it return the month name of mydate (march, april, may,
).
I'd like it return mars, avril, mai,. = the month is french.
So, is
A very simple question:
If I have a table A with PRIMARY KEY K,
and table B which has a column C defined as a FOREIGN KEY F referencing
table A.K,
then, I would expect, C can only take a value from those already existing in
table A column K.
So, let's assume, for simplicity's sake, table A has
Dathan Vance Pattishall [EMAIL PROTECTED] wrote:
SHOW TABLE STATUS to get the count of each table, then your application =
adds
the number in the Rows field from each of the tables returned.
For InnoDB tables SHOW TABLE STATUS returns approximate row count.
-Original Message-
Which kind of tables do you have? InnoDB tables enforce foreign key
integrity, MyISAM tables do not. From the manual
http://dev.mysql.com/doc/mysql/en/CREATE_TABLE.html:
| In MySQL 3.23.44 or later, InnoDB tables support checking of foreign key
| constraints. ... For other storage engines,
Zachary Agatstein [EMAIL PROTECTED] wrote:
A very simple question:
If I have a table A with PRIMARY KEY K,
and table B which has a column C defined as a FOREIGN KEY F referencing
table A.K,
then, I would expect, C can only take a value from those already existing in
table A column K.
Robinson, Eric: 5/17/04 1048
there is no mechanism for propagating slave changes
from the slave back up to the master... synchronization
occurs *only* from master to slave
(hence the terminology).
Then why do they call it 2-way replication? Is there such a thing as
master-to-master?
/Robinson,
Shawn, your answer is excellent, and I now understand why replication is
a touchy issue. But now I am worried that I will not be able to
accomplish what I had hoped.
I want to have a server at my corporate office and a server at my branch
office. Most of the time, all users at both locations
On Mon, May 17, 2004 at 02:11:49PM -0400, [EMAIL PROTECTED] wrote:
MySQL does not support distributed locking (yet).
-- Snip --
MySQL will have it in a future release but it's ready for an
initial alpha test, yet.
It is available in alpha releases? Someone is working on this already?
What
Here is what I'm trying to achieve:
*10.04.2004.*
- news 1
- news 2
- news 3
*14.04.2004.*
- news 4
*15.04.2004.*
- news 5
What method will be the best. Do I have to use two queries. One to
select (5) last dates, and then loop throug that results and select news.
select dates
while (dates)
Why when there is a figurae, figurae2 table does the follow give an error?
INSERT INTO figurae2 SET id = figurae.id;
The error is:
ERROR 1109 at line 35: Unknown table 'figurae' in field list
Line 35 is the Insert line shown. There are no following lines in the file.
I cut and pasted figurae from
P. Hill [EMAIL PROTECTED] wrote:
Why when there is a figurae, figurae2 table does the follow give an error?
INSERT INTO figurae2 SET id = figurae.id;
The error is:
ERROR 1109 at line 35: Unknown table 'figurae' in field list
Line 35 is the Insert line shown. There are no following lines
Hi I'm using, Mysql version 4.1.1 with InnoDB under SuSE linux 8.2
I don't know if this is the right place to ask. If not please point me
in the right direction.
I'm performing nightly backups of the datadir. So my backups include a
database and the Mysql databases themselves ( also I think
Mauricio Pellegrini said:
Hi I'm using, Mysql version 4.1.1 with InnoDB under SuSE linux 8.2
I don't know if this is the right place to ask. If not please point me
in the right direction.
I'm performing nightly backups of the datadir. So my backups include a
database and the Mysql databases
Eric, you are in the same boat I am in. I also have satellite offices
across WAN links that should keep functioning even if the WAN is down.
My , yet to be tested due to office politics, workaround design was to
have each office (satellite and main) have their own mini-master that
replicated
I am running MySQL 4.1.1-alpha-standard on RH Linux 9. I've found strange
problem with privileges:
mysql grant reload on *.* to 'fabackup'@'localhost';
Query OK, 0 rows affected (0.00 sec)
mysql grant create, insert, drop on mysql.ibbackup_binlog_marker to
'fabackup'@localhost;
Query OK, 0 rows
SORRY
My typo--- it is NOT ready for any kind of testing. At least I have not
heard of anything
Shawn Green
Database Administrator
Unimin Corporation - Spruce Pine
You have several ways to handle this problem. Most of them are based in
your PHP (of which I am not an expert) however I can get you all of the
articles for the last 5 days in a single query:
select format(datefield, '%d.%m.%Y.'), newsfield
from newstable
where datefield = (DATE_FORMAT(NOW() -
Victoria Reznichenko wrote:
P. Hill [EMAIL PROTECTED] wrote:
Why when there is a figurae, figurae2 table does the follow give an error?
INSERT INTO figurae2 SET id = figurae.id;
The error is:
ERROR 1109 at line 35: Unknown table 'figurae' in field list
Look at INSERT .. SELECT statement:
We have received your email, thank you. Normally it is our goal to respond to all of
our email within 24 hours. Please insure that you have gone to our FAQ's page at:
http://www.affordable-fuel-injection.com/fuel-injection-questions.htm for basic
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MySQL
[EMAIL PROTECTED] wrote:
Eric, you are in the same boat I am in. I also have satellite offices
across WAN links that should keep functioning even if the WAN is down.
My , yet to be tested due to office politics, workaround design was to
have each office (satellite and main) have their own
On Mon, May 17, 2004 at 04:07:53PM -0400, [EMAIL PROTECTED] wrote:
SORRY
My typo--- it is NOT ready for any kind of testing. At least I have not
heard of anything
Heh :)
But do you know if anyone is already working on it?
Luis
--
GnuPG Key fingerprint = 113F B290 C6D2
Another reader pointed out that I actually want to group the
ORs together, which allows the query to use the index on
foo_id. I've also been experimenting with multiple SELECTs
and UNIONs like so:
SELECT bar.foo_id, foo_equivalency.foo_id FROM bar
JOIN foo_equivalency ON id = bar.a_id
WHERE
On Mon, 2004-05-17 at 13:37, P. Hill wrote:
Victoria Reznichenko wrote:
P. Hill [EMAIL PROTECTED] wrote:
Why when there is a figurae, figurae2 table does the follow give an error?
INSERT INTO figurae2 SET id = figurae.id;
The error is:
ERROR 1109 at line 35: Unknown table 'figurae' in
Possibly two rows?
Can you change the where clause?
WHERE CartID=999 OR ProdID=333
I have a simple query:
SELECT * FROM cart
WHERE CartID=999 AND ProdID=333
The primary key is made of both CartID and ProdID, both integers.
The query will not return the record in question
This returns
Garth Webb wrote:
I'm not asking for an alternative way to do it; I'm asking what
is wrong with what I did?
It looks like you want to copy over several or all values from a second
table. The INSERT .. SELECT syntax isn't an alternate way, its the only
way.
Okay, thanks for the clarification. I
I have a simple query:
SELECT * FROM cart
WHERE CartID=999 AND ProdID=333
The primary key is made of both CartID and ProdID, both integers.
The query will not return the record in question
This returns the row:
SELECT * FROM cart
WHERE CartID=999
And this returns the same row:
SELECT * FROM
In the replication FAQ regarding redundancy/high availability. Its example
looks as if it could be ... wrong.
: http://dev.mysql.com/doc/mysql/en/Replication_FAQ.html
The basic method is to use one of the slaves as the master in the case
where the master goes down. The potential problem that
Hello, realizing that there is a max_allowed_packet setting that limits
the size of the insert statement, is there a way around it by chunking
the query?
In particular, if the query is to insert a large text or blob, can I
simply concatenate smaller pieces of the data in succession using the
How can an InnoDB table be created with case sensitive collation? The
example below creates two identical tables, one MyISAM and the other
InnoDB. The InnoDB fails when inserting primary keys that differ in case
only. What am I doing wrong?
Thanks.
drop database test;
create database test
Hello all,
I have two simple question:
When is the time for 4.1 beta/gamma rollout?
I would like to use my spare time to get involved in MySQL development. How?
I know it is diffcult, but i am willing to give it a try.
I would like to help develop/testing/documenting the major parts like:
1.
Can somebody tell me what's wrong with this query:
$sql=SELECT * INTO OUTFILE 'infoanforderung/$nameliste' FIELDS
TERMINATED BY ';' LINES TERMINATED BY '\n' FROM net_contact WHERE
nachname='Erbel';
I get no results! Without INTO OUTFILE everything works fine!
--
Jochen Kaechelin
--
MySQL
I'm trying to run a stored query with the results sent to an excel file. Each time I
try I get an Outfile Disabled message. Any suggestions? I'm running Winxp.
msql source interests.sql c:\test.xls
= Outfile Disabled.
Thank you.
I suspect this is more of a unix question (OS X 10.3.3) than a mysql
question, but hopefully someone will tolerate it.
I have two mysql apps running on the same machine. A mysql 3.23.x on
port 14551 (which is integral to the Lasso middleware server), and a
separate mysql 4.0.x on 3306.
They
Gustavo Andrade wrote:
I want to know if its possible to count the total records of multiple
tables:
Example: I have 3 tables. I want to know the total records of each table
using only 1 query.
Is that possible?
It is actually possible with 4.0, although rather convoluted:
(select count(*) from
At 21:17 -0600 5/17/04, Sasha Pachev wrote:
Gustavo Andrade wrote:
I want to know if its possible to count the total records of multiple
tables:
Example: I have 3 tables. I want to know the total records of each table
using only 1 query.
Is that possible?
It is actually possible with 4.0,
Hi
When I run the SHOW TABLE STATUS query against a database with 4 tables, 3
of the tables come have the correct row count, but 1 table changes the No of
rows every time I run the query. The correct row count for this table is
313, but the query returns anywhere from 97 to 574. I am running
Hans-Peter Grimm wrote:
Hi,
I just finished reading High Performance MySQL. Congratulations to the
authors, it's a great book and I enjoyed reading it. Would be great if
someone now started to write MySQL Internals ;-)
I actually do have a fairly long chapter on that subject in MySQL Enterprise
Has ANYONE been able to get super-smack-1.2 to compile as-is on FreeBSD?
./configure --with-mysql
make
make install
Without errors?
Anyone?
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Sasha Pachev wrote:
Gustavo Andrade wrote:
I want to know if its possible to count the total records of multiple
tables:
Example: I have 3 tables. I want to know the total records of each table
using only 1 query.
Is that possible?
It is actually possible with 4.0, although rather convoluted:
Andrew Barnes wrote:
Hi
When I run the SHOW TABLE STATUS query against a database with 4 tables, 3
of the tables come have the correct row count, but 1 table changes the No of
rows every time I run the query. The correct row count for this table is
313, but the query returns anywhere from 97 to
I am having trouble using the -h option in my setup of MySQL. If I use '-h localhost'
in the command it will work, but my hostname on my box is tux. If i use '-h tux' for
the hostname option, it will not work. I double checked my /etc/hosts and everything
is as it should be there. Is there
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