Happy Christmas

2009-12-25 Thread peter scott
Hope you are all having a Happy Christmas. Regards Peter -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org

Re: UPDATE and simultaneous SELECT ... similar to RETURNING?

2009-12-25 Thread Baron Schwartz
Dante, On Tue, Dec 22, 2009 at 3:53 PM, Dante Lorenso da...@lorenso.com wrote: All, There was a feature of another DB that I have grown extremely accustomed to and would like to find the equivalent in MySQL: UPDATE mytable SET mycolumn = mycolumn + 1 WHERE mykey = 'dante' RETURNING

Re: mysql load balancing

2009-12-25 Thread Baron Schwartz
Miguel, On Sun, Dec 20, 2009 at 6:21 PM, Miguel Angel Nieto cor...@miguelangelnieto.net wrote: Hi, I am searching fot a Mysql Load Balacing tool. I read about mysql proxy, sqlrelay, haproxy... Load balancing, or high availability? I do not think there is anything good and simple AND generic

RE: Happy Christmas

2009-12-25 Thread Martin Gainty
Guten Tag/Bonjour/Hello Pete Haben Sie ein gutes Weihnachten/Ayez bon Noël/Have a good Christmas Staaten von Amerika/Etats Unis/United States of America Martin Gainty __ Verzicht und Vertraulichkeitanmerkung/Note de déni et de confidentialité

Re: two processes update the same column in short time

2009-12-25 Thread Don Read
On Fri, 25 Dec 2009 15:41:40 +0800 Eva said: Hello, I have a table, say its stru is like: domain ip noticed The column noticed is an enum value (eigher 0 or 1). When process one update ip, it will set noticed to 0. Then process two know the status changed, it will do

Re: mysql load balancing

2009-12-25 Thread Miguel Angel Nieto
Load balancing, or high availability? I do not think there is anything good and simple AND generic out of the box.  As previous posters have noted, you generally have to build something on top of other tools. Hi, I have the HA solved with MMM. Now, I want load balacing, sending read queries

Re: two processes update the same column in short time

2009-12-25 Thread Eva
2009-12-26 2:36, Don Read : Change noticed to enum('new', 'scan', 'done') not null default 'new'; When proc two runs, it should UPDATE noticed='scan' WHERE noticed='new' Then repeat the scan with SELECT ... WHERE noticed='scan' ... and finally it should UPDATE domain=whatever, ...

RE: mysql load balancing

2009-12-25 Thread Neil Aggarwal
Baron: Load balancing, or high availability? I do not think there is anything good and simple We use MySQL master-master replication to keep geographically separated databases in sync. It works very well. We built a management layer on top of it to allow the endpoints (Web servers) to talk

Re: two processes update the same column in short time

2009-12-25 Thread Don Read
On Sat, 26 Dec 2009 10:43:55 +0800 Eva said: 2009-12-26 2:36, Don Read : Change noticed to enum('new', 'scan', 'done') not null default 'new'; When proc two runs, it should UPDATE noticed='scan' WHERE noticed='new' Then repeat the scan with SELECT ... WHERE noticed='scan' ...