Problem w/ mysqldump

2009-09-02 Thread Victor Subervi
Hi: I have the following python code: import os os.system(mysqldump -u root -pPASSWORD --opt spreadsheets dump.sql) This nicely creates the file...but the file is empty! The database exists and has lots of data, I double-checked it. If there is nothing wrong with my code, is there some way to do

join to return first record for each patient number

2009-09-02 Thread william drescher
I have two tables: PtActive ptNum // the patient's number user // the user who made this patient active expires// when the patient becomes inactive again primary index: PtNum PtName ptNum sequence lname fname primary index: ptNum, sequence The table PtName may have multiple

mysqldump warning or actual error?

2009-09-02 Thread Matt Neimeyer
My local windows machine has mysql 5.1.33 installed on it. One of my Mac OSX dev servers has some 4.1 flavor of MySQL on it. When I try to do something like the following: mysqldump -h devserver -u me -p somedb dump.sql I get the following: mysqldump: Error: 'Table 'information_schema.files'

Re: mysqldump warning or actual error?

2009-09-02 Thread Michael Dykman
If you look at the options for mysqldump more closely, you will see that you can specify the version of the server which will be importing the result file. These cause MySQL to taylor the SQL syntax according to the target platform. - michael dykman On Wed, Sep 2, 2009 at 11:03 AM, Matt

Looking for real configuration data

2009-09-02 Thread Wei Zheng
[Sorry if you receive multiple copies of this message.] [Please feel free to forward the message to others who may be interested.] Hi, We are a computer systems research group at the Computer Science department at Rutgers University, and are conducting research on simplifying the software

Re: Problem w/ mysqldump

2009-09-02 Thread Emile van Sebille
On 9/2/2009 3:43 AM Victor Subervi said... Hi: I have the following python code: import os os.system(mysqldump -u root -pPASSWORD --opt spreadsheets dump.sql) First, test this at the system command line -- you'll likely get an empty file there as well, so calling from within python simply

Re: mysqldump warning or actual error?

2009-09-02 Thread Mikhail Berman
Hi Matt, The error you are getting is very particular to information_schema database. Information_schema does NOT actually have tables, they are views: |INFORMATION_SCHEMA| is the information database, the place that stores information about all the other databases that the MySQL server

Re: Best practice to disable log bin for mysql_upgrade

2009-09-02 Thread Russell E Glaue
Does anyone have any information regarding my question? Is the 'share/mysql_fix_privilege_tables.sql' script distributed with MySQL the same as the script (represented as '[fix_priv_tables]') generated interally by the mysql_upgrade command that contains SQL statements to upgrade the tables in

RE: Problem w/ mysqldump

2009-09-02 Thread Daevid Vincent
While not python, maybe this bash script will give you some clues? http://daevid.com/content/examples/daily_backup.php Also, please don't cross post to multiple lists. Not everyone on this mySQL list is on the python list and vice versa. It's just bad netiquette. -Original Message-

Re: Problem w/ mysqldump

2009-09-02 Thread Victor Subervi
I checked my own backup script from earlier years and everything was good. You know, if I could simply figure out where the data was actually stored, in what file, I could copy it over to another computer. Any ideas? Thanks, V On Wed, Sep 2, 2009 at 4:09 PM, Daevid Vincent dae...@daevid.com

I want to change my sqldatabase server from one machine to another

2009-09-02 Thread Uma Mudumba
Can you please send me a script to do that? I have MySQL Reference Manual for version 3.23.55. /* Copyright Abandoned 1996, 1999, 2001 MySQL AB This file is public domain and comes with NO WARRANTY of any kind */ /* Version numbers for protocol mysqld */ #ifdef _CUSTOMCONFIG_ #include

RE: Problem w/ mysqldump

2009-09-02 Thread Daevid Vincent
If it's MYISAM tables, then they're all self contained in folders in /var/lib/mysql/spreadsheets. Remember that if you do copy the files, to shut down mysql first or you could copy corrupt files. If you're using INNODB, then the schema is in that folder, but the actual data is in the

Re: Problem w/ mysqldump

2009-09-02 Thread Victor Subervi
Not in Windoze. The only folders I have inside the Programs/MySQL are Docs, bin and Shared V On Wed, Sep 2, 2009 at 5:29 PM, Daevid Vincent dae...@daevid.com wrote: If it's MYISAM tables, then they're all self contained in folders in /var/lib/mysql/spreadsheets. Remember that if you do copy

Re: I want to change my sqldatabase server from one machine to another

2009-09-02 Thread Wolfgang Schaefer
Uma Mudumba wrote: Can you please send me a script to do that? I have MySQL Reference Manual for version 3.23.55. /* Copyright Abandoned 1996, 1999, 2001 MySQL AB This file is public domain and comes with NO WARRANTY of any kind */ /* Version numbers for protocol mysqld */ #ifdef

Re: upgrading from 4.1 to 5.0 trick

2009-09-02 Thread Hank
On Fri, Aug 28, 2009 at 9:18 AM, Shawn Green shawn.gr...@sun.com wrote: Hank wrote: Hello All, I'm in the process of upgrading my database from 4.1 to 5.0 on CentOS. I've been testing the mysqlcheck --check-upgrade --auto-repair command, and on one of my MYISAM tables, it's taking

Speeding up a pretty simple correlated update query

2009-09-02 Thread Hank
Hello All, I have a legacy application which was written using a compound primary key of an item number (non unique) along with a category ID. The combination of the item number and category ID make the records unique. I am in the process of replacing the compound (VARCHAR) keys with an

RE: Speeding up a pretty simple correlated update query

2009-09-02 Thread Gavin Towey
Do you know that if you create seq column on the original table as an auto_increment primary key, it will fill in the numbers automatically? There's no need to create the values on another table and update with a join. Regards, Gavin Towey -Original Message- From: Hank

Re: Speeding up a pretty simple correlated update query

2009-09-02 Thread Hank
Hello Gavin, That's what I did with the first one-to-one table to create the unique SEQ field mapping to each item/category combination. The problem is on the TRANSACTION table, where there are multiple instances of each item/category. If I just put a auto_increment primary key on that table,