Re: Database procedures
HI All Just to give you some idea of what I have tried thus far: mysql delimiter // mysql create procedure select_delete_id (in dt date, out id bigint) begin select max(id) into id from archive_collections where utc dt; end// Query OK, 0 rows affected (0.00 sec) mysql delimiter ; mysql call select_delete_id(2010-12-13 00:00,@delete_id); Query OK, 0 rows affected (0.00 sec) mysql select @delete_id; ++ | @delete_id | ++ | NULL | ++ 1 row in set (0.00 sec) The delete_id should however return the value 3823054 and not null. Regards Machiel -Original Message- From: Machiel Richards machi...@rdc.co.za To: mysql mailing list mysql@lists.mysql.com Subject: Database procedures Date: Tue, 14 Dec 2010 08:37:10 +0200 HI All I am hoping that someone with more experience than me can assist here. I am trying to find out how to write a database procedure within MySQL, however I have never worked with procedures in my life and the resources I found on the net thus far seems greek to me... What we are trying to achieve is the following: There are currently 2 specific tables which contains archived data which are being deleted manually each day. We would like to put the delete of the data within a procedure and then have an automated process to execute the procedure. What we are using currently is the following: 1. = select max(id) from table_1 where utc Date; 2. delete from table_2 where id ; 3. delete from table_1 where id ; basically we currently delete everything older than the start of yesterday but this might be changin at some point to be done hourly as the system grows. Does anybody have a good resource which explains exactly how I would be able to create this procedure or can otherwise assist or guide me? I would really appreciate the help as I would love to learn how to write procedures. Regards Machiel
Re: MySQL Parallel Inserts
Hi Andy, I agree, prefer LOAD DATA INFILE... command for bulk loading. It is 30% faster than normal inserts. Krishna On Tue, Dec 14, 2010 at 8:02 AM, Andy listan...@gmail.com wrote: Greetings everyone. I am in a situation where I need to do parallel inserts into MySQL database from inside my Perl program. Basically, I have several million records to insert into the database, and hence I would rather do them in parallel than doing them one at a time. I looked around but did not find any information on doing this. Does MySQL not support parallel reads/writes? Thanks in advance. Andy
List archive?
I have a question that this list solved a year ago, and I can't remember what the solution was. Does this list have an archive? (Sorry if it is on one of the links to the list, but I don't have any on hand at the moment.) -- Patrice Olivier-Wilson http://biz-comm.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Re: List archive?
On 12/14/10 12:51 PM, Patrice Olivier-Wilson wrote: I have a question that this list solved a year ago, and I can't remember what the solution was. Does this list have an archive? (Sorry if it is on one of the links to the list, but I don't have any on hand at the moment.) see it on the bottom of my post... thanks and sorry for noise -- Patrice Olivier-Wilson http://biz-comm.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Re: List archive?
On Tue, Dec 14, 2010 at 12:52, Patrice Olivier-Wilson b...@biz-comm.com wrote: On 12/14/10 12:51 PM, Patrice Olivier-Wilson wrote: I have a question that this list solved a year ago, and I can't remember what the solution was. Does this list have an archive? (Sorry if it is on one of the links to the list, but I don't have any on hand at the moment.) see it on the bottom of my post... thanks and sorry for noise It's also archived in many other places, such as GMANE[1] and MARC[2]. ^1: http://gmane.org/ ^2: http://marc.info/ -- /Daniel P. Brown Dedicated Servers, Cloud and Cloud Hybrid Solutions, VPS, Hosting (866-) 725-4321 http://www.parasane.net/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
How can i subscribe
Hello, How can i subscribe for this list
Re: PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
On 13.12.2010 15:26 CE(S)T, who.cat wrote: try /mysql_bin_path/mysql_secure_installation ! Hope it helpfu! I already followed that path and it doesn't quite help. I've done the checks that the install script does and my installation is secure by those means. But I don't want to install things. The server is already up and running in production. I only want to get rid of that whole load of messages posted to syslog. I don't know where they come from to do further analysis. -- Yves Goergen LonelyPixel nospam.l...@unclassified.de Visit my web laboratory at http://beta.unclassified.de -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Re: How can i subscribe
On Tue, Dec 14, 2010 at 13:58, omar zorgui omarzor...@gmail.com wrote: Hello, How can i subscribe for this list http://lists.mysql.com/mysql?sub=1 -- /Daniel P. Brown Dedicated Servers, Cloud and Cloud Hybrid Solutions, VPS, Hosting (866-) 725-4321 http://www.parasane.net/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Negative connection/thread IDs in mysqld.log?
Hi, I tried searching for an answer to this to no avail. I noticed my mysqld.log contains negative connection/thread IDs. mysqld itself shows positive IDs as expected. Some sort of wrap? /usr/sbin/mysqld, Version: 5.0.32. started with: Tcp port: 3306 Unix socket: /tmp/mysql.sock Time Id CommandArgument 101212 8:00:01 -2049127301 Connect ... Regards, Atle -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Mysql 5.5.x -- when is it going to go GA?
Mysql 5.5 -- when is it going to go GA? And when it does, which version will it be? 5.5.8 or 5.5.6rc? Thanks, -Hank
Bulk Insertion Performance
Hi All, I have a data warehouse infrastructure with following configuration : - MySQL 5.0 MyISAM + InndoDB enabled (XAMPP Distribution) - Windows 2003 64 bit data center edition - Java Runtime 6 - 32 bit version And have ETL running data warehouse process. Reading is impressive, 12,000 rows per second. But writing with only 10 columns (integer and varchar combinations) takes 3,000 rows / second. Is there a way to configure writing to have a better performance ? Thanks, Feris
Re: Bulk Insertion Performance
On Dec 14, 2010, at 6:51 PM, Feris Thia wrote: Hi All, I have a data warehouse infrastructure with following configuration : - MySQL 5.0 MyISAM + InndoDB enabled (XAMPP Distribution) - Windows 2003 64 bit data center edition - Java Runtime 6 - 32 bit version And have ETL running data warehouse process. Reading is impressive, 12,000 rows per second. But writing with only 10 columns (integer and varchar combinations) takes 3,000 rows / second. Is there a way to configure writing to have a better performance ? Feris, *How* are you writing, via batch statements with rewriting, or directly, or via LOAD DATA INFILE? It seems you're off by about a factor of 10-20x from what I've seen performance-wise for writes. -Mark -- Mark Matthews Principal Software Developer - MySQL Enterprise Tools Oracle http://www.mysql.com/products/enterprise/monitor.html -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
Re: Bulk Insertion Performance
Hi Mark, On Wed, Dec 15, 2010 at 8:10 AM, Mark Matthews mark.matth...@oracle.comwrote: Feris, *How* are you writing, via batch statements with rewriting, or directly, or via LOAD DATA INFILE? It seems you're off by about a factor of 10-20x from what I've seen performance-wise for writes. I'm using ETL mean - for this case, it is a java application name Kettle (Pentaho Data Integration). And it use JDBC connection. Is it a JDBC driver configuration ? -Mark -- Thanks, Feris
Re: Mysql 5.5.x -- when is it going to go GA?
not sure,maybe help to you: http://forge.mysql.com/wiki/Development_Cycle#GA_releases Best regards, Sharl.Jimh.Tsin (From China **Obviously Taiwan INCLUDED**) 2010/12/15 Hank hes...@gmail.com: Mysql 5.5 -- when is it going to go GA? And when it does, which version will it be? 5.5.8 or 5.5.6rc? Thanks, -Hank -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql?unsub=arch...@jab.org
