RE: Any way to change timezone WITHOUT mysqld restart?

2010-10-04 Thread Daevid Vincent
Trust me, I read it. We had an I18N product at my last company and all our time was stored in UTC in mySQL and we'd alter it on the fly for each user. This isn't rocket science. It's done every day in probably many of the sites you visit and don't even know it. To clarify for you (again): *

Re: update and times

2010-10-04 Thread kalin m
right the unix times in the example table were just that - examples from a few days ago... the example with the query was a 'real one' something that happened today... it's a 64 bit machine. the unix times are stored in a bigint column. the times in the column and the update statement

Re: Indexing question

2010-10-04 Thread Neil Tompkins
I've got a fair few number of queries to be checked over. Will send them tommorrow On 4 Oct 2010, at 18:27, Gavin Towey wrote: Include the query, EXPLAIN output, and the relavant SHOW CREATE TABLE table \G output. Someone should be able to offer suggestions. -Original Message- Fr

RE: update and times

2010-10-04 Thread Gavin Towey
Those unix_time values don't seem to correspond to the dates you have. select NOW(), UNIX_TIMESTAMP(NOW()); +-+---+ | NOW() | UNIX_TIMESTAMP(NOW()) | +-+---+ | 2010-10-04 13:18:08 |1286223488

update and times

2010-10-04 Thread kalin m
hi all... i'm doing tests with a table that gets updated based on random unix times it contains. there is a column that has a bunch or random times that look like: +-+---+ | date_time | unix_time| +-+--

RE: Indexing question

2010-10-04 Thread Gavin Towey
Include the query, EXPLAIN output, and the relavant SHOW CREATE TABLE table \G output. Someone should be able to offer suggestions. -Original Message- From: Tompkins Neil [mailto:neil.tompk...@googlemail.com] Sent: Monday, October 04, 2010 8:54 AM To: Joerg Bruehe Cc: [MySQL] Subject: Re

Re: MySQL DB Version

2010-10-04 Thread Shawn Green (MySQL)
On 10/4/2010 12:32 PM, Tompkins Neil wrote: Account Number : uk600724 Dear Sir/Madam, The MySQL database version which you have supplied to us is version 5.0.77. However, it would appear that we require version to be at least 5.1.43. How can we get our MySQL db upgraded to this version or g

MySQL DB Version

2010-10-04 Thread Tompkins Neil
Account Number : uk600724 Dear Sir/Madam, The MySQL database version which you have supplied to us is version 5.0.77. However, it would appear that we require version to be at least 5.1.43. How can we get our MySQL db upgraded to this version or greater ? Regards Neil Tompkins

Re: Indexing question

2010-10-04 Thread Tompkins Neil
Jörg Thanks for the useful reply. Maybe I can EXPLAIN my select queries for you to advise if any changes need to be made ? Regards Neil On Mon, Oct 4, 2010 at 3:38 PM, Joerg Bruehe wrote: > Hi! > > > Neil Tompkins wrote: > > Thanks for your reply. So should we create individual indexes on each

Re: Indexing question

2010-10-04 Thread Joerg Bruehe
Hi! Neil Tompkins wrote: > Thanks for your reply. So should we create individual indexes on each > field or a multiple column index ?? This question cannot be answered without checking and measuring your installation. The decision whether to create an index is always an act of balancing: - If t

Re: Some MySQL Concerns

2010-10-04 Thread Johan De Meersman
On Mon, Oct 4, 2010 at 3:03 AM, monloi perez wrote: > 1) While inserting and connection lost, what will happen? Is the query > going to be there forever? > No. Depending on the timing of the connection loss, the statement may complete or be rolled back. it will not just hang there. Transact

Re: Ineffective OPTIMIZE TABLES

2010-10-04 Thread George Larson
Aha! You are precisely correct. Thank you! On 3 October 2010 21:16, Dan Nelson wrote: > In the last episode (Oct 03), George Larson said: >> I have an InnoDB table with a 'Data_length' of 114688 and 'Data_free' >> of '3896508416'.  If I'm correctly understanding what I've been >> reading, those