Client Side Query cache
Hi, I was wondering if there is any query cache code/lib somewhere to cache certains queries ? I'm always doing the same queries, (and the result never change, so I could spare the round-trip to the server), but caching each tine the data for it is a bit of work. Thanks, for your suggestions -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: Warnings level
Hi, I got back warnings, event when started with mysql -v -v, I don't have the Warnings appearing on the console... Do I really have to insert SHOW WARNINGS; in the dump file after each statements ??? On Apr 7, 2005 6:10 PM, Mister Jack [EMAIL PROTECTED] wrote: Hi ! Thanks, for your answer. Indeed, I didn't think about the verbose option. I tried it and used tee to log data. Well so far I haven't got anymore Warnings (strange though...) :-) On Apr 5, 2005 9:50 PM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Mister Jack [EMAIL PROTECTED] wrote on 04/05/2005 01:38:00 PM: Hi, I've got a dump file from my main DB (MySQL 4.1.10a), when I load it with source backup.sql I can see some warnings around. Is there any way to log those warnings, or to stop on warnings ? (show warnings only show warnings for the _last_ query if there is any). Thanks for your help You can see more details if you launch your client with one of the verbosity options. Use a -v, -v -v, or -v -v -v to increase the verbosity of your client. For more client options (at a shell prompt): mysql --help Shawn Green Database Administrator Unimin Corporation - Spruce Pine -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: Warnings level
Hi, sorry for the noise, it may be useful for someone else : cat backup20050408.sql | sed 's/INSERT/SHOW WARNINGS;INSERT/' | sed 's/CREATE/SHOW WARNINGS;CREATE/' | sed 's/DROP/SHOW WARNINGS;DROP/' backup.sql then use the backup.sql thus created. So I got :Invalid TIMESTAMP value in column 'timestamp' at row 5407; (I still have to figure this out :) On Apr 8, 2005 6:08 PM, Mister Jack [EMAIL PROTECTED] wrote: Hi, I got back warnings, event when started with mysql -v -v, I don't have the Warnings appearing on the console... Do I really have to insert SHOW WARNINGS; in the dump file after each statements ??? On Apr 7, 2005 6:10 PM, Mister Jack [EMAIL PROTECTED] wrote: Hi ! Thanks, for your answer. Indeed, I didn't think about the verbose option. I tried it and used tee to log data. Well so far I haven't got anymore Warnings (strange though...) :-) On Apr 5, 2005 9:50 PM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Mister Jack [EMAIL PROTECTED] wrote on 04/05/2005 01:38:00 PM: Hi, I've got a dump file from my main DB (MySQL 4.1.10a), when I load it with source backup.sql I can see some warnings around. Is there any way to log those warnings, or to stop on warnings ? (show warnings only show warnings for the _last_ query if there is any). Thanks for your help You can see more details if you launch your client with one of the verbosity options. Use a -v, -v -v, or -v -v -v to increase the verbosity of your client. For more client options (at a shell prompt): mysql --help Shawn Green Database Administrator Unimin Corporation - Spruce Pine -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: Warnings level
Hi ! Thanks, for your answer. Indeed, I didn't think about the verbose option. I tried it and used tee to log data. Well so far I haven't got anymore Warnings (strange though...) :-) On Apr 5, 2005 9:50 PM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Mister Jack [EMAIL PROTECTED] wrote on 04/05/2005 01:38:00 PM: Hi, I've got a dump file from my main DB (MySQL 4.1.10a), when I load it with source backup.sql I can see some warnings around. Is there any way to log those warnings, or to stop on warnings ? (show warnings only show warnings for the _last_ query if there is any). Thanks for your help You can see more details if you launch your client with one of the verbosity options. Use a -v, -v -v, or -v -v -v to increase the verbosity of your client. For more client options (at a shell prompt): mysql --help Shawn Green Database Administrator Unimin Corporation - Spruce Pine -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Warnings level
Hi, I've got a dump file from my main DB (MySQL 4.1.10a), when I load it with source backup.sql I can see some warnings around. Is there any way to log those warnings, or to stop on warnings ? (show warnings only show warnings for the _last_ query if there is any). Thanks for your help -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: I am stupid
I would suggest to take a look at the documentation http://dev.mysql.com/doc/mysql/en/index.html 1. create a DB : http://dev.mysql.com/doc/mysql/en/index.html 2. using a SQL file to create those table. on the mysql commqnd line : source db.sql; So as a whole, you'll do something like : create database db; usedb; source db.sql; himh On Apr 2, 2005 7:20 PM, Niki Lampropoulou [EMAIL PROTECTED] wrote: I dont know how to do this very basuc, just atrated working with MySQL and not sure about what I am supposed to do.. Please help!! 2. Create a database for the program to use in MySQL. 3. Create the tables in the new database using db.sql which is in the sql directory. niki Send instant messages to your online friends http://uk.messenger.yahoo.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
BDB storage engine
Hi, There is an extensive documentation for InnoDB, but I can't find any extensive for BDB (except http://dev.mysql.com/doc/mysql/en/bdb-storage-engine.html ). Can I change the isolation level in the same way than with InnoDB ? Can I also do SELECT FOR UPDATE ? thanks -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
select timestamp + 0
Hi, i'm using the 4.1.10 version of mysql. If I do : select max(timestamp + 0 ) as timestamp from news; ++ | timestamp | ++ | 20050314194920 | ++ so i got the full timestamp(14), but if I do : select max(timestamp) + 0 as timestamp from news; +---+ | timestamp | +---+ | 2005 | +---+ Did i miss something in the documentation ? or is it normal ? thanks -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: select timestamp + 0
It returns : select max(timestamp) as timestamp from news; +-+ | timestamp | +-+ | 2005-03-14 19:49:20 | +-+ and also : select timestamp as timestamp from news limit 1; +-+ | timestamp | +-+ | 2002-03-25 19:45:32 | +-+ so If I do : select timestamp + 0 as timestamp from news limit 1; ++ | timestamp | ++ | 20020325194532 | ++ So i would expect a max(timestamp) + 0 to work the same than without the max. is this a bug ? (the code rely heavily on a result as a timestamp(14), like MMDDHHmmss, so getting this work helps migrating from 4.0 to 4.1) thanks for your help On Wed, 16 Mar 2005 14:36:42 -0600, gerald_clark [EMAIL PROTECTED] wrote: Mister Jack wrote: Hi, i'm using the 4.1.10 version of mysql. If I do : select max(timestamp + 0 ) as timestamp from news; ++ | timestamp | ++ | 20050314194920 | ++ so i got the full timestamp(14), but if I do : select max(timestamp) + 0 as timestamp from news; +---+ | timestamp | +---+ | 2005 | +---+ Did i miss something in the documentation ? or is it normal ? thanks What does select max(timestamp) as timestamp from news; return? What would you get if that string was converted to a number? -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: How to add String to existing value of String
Look for concat : http://dev.mysql.com/doc/mysql/en/string-functions.html On Wed, 16 Mar 2005 15:51:34 -0500, David DeSana [EMAIL PROTECTED] wrote: I need to modify the value of file names in a table. The strings represent an image file path and are stored in a char column in the table. Here is a sample of the values: \products\1_TH.JPG \products\2_TH.JPG I would like to perform the following UPDATE test.Items SET Desc='New'+Desc I've been able to get the update to work on numeric values based on the MySQL docs but cannot figure out how to perform the update on strings. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: select timestamp + 0
From the manual : MIN() and MAX() may take a string argument; in such cases they return the minimum or maximum string value. so I understand that for a timestamp column, values are converted and then compared as strings, then the function return a string, so adding + 0 convert it to a number (which is different from adding 0 to a timestamp). MIN/MAX operating on timestamp would have been more straightforward, no ? Or is there anything to coerce a string into a timestamp ? (appart a format ) On Wed, 16 Mar 2005 15:40:26 -0600, gerald_clark [EMAIL PROTECTED] wrote: Mister Jack wrote: It returns : select max(timestamp) as timestamp from news; +-+ | timestamp | +-+ | 2005-03-14 19:49:20 | +-+ The string shown above converted into a number is 2005. ( Unless you think ist should be 1988 ) Add 0, and it is still 2005. and also : select timestamp as timestamp from news limit 1; +-+ | timestamp | +-+ | 2002-03-25 19:45:32 | +-+ so If I do : select timestamp + 0 as timestamp from news limit 1; ++ | timestamp | ++ | 20020325194532 | ++ So i would expect a max(timestamp) + 0 to work the same than without the max. is this a bug ? (the code rely heavily on a result as a timestamp(14), like MMDDHHmmss, so getting this work helps migrating from 4.0 to 4.1) thanks for your help -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
