MySQL Backend &mdash; Roundup v1.4 documentation

# Roundup

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# MySQL Backend

version: | $Revision: 1.13 $

This notes detail the MySQL backend for the Roundup issue tracker.

## Prerequisites

To use MySQL as the backend for storing roundup data, you also need to install:

1. MySQL RDBMS 4.0.18 or higher - http://www.mysql.com. Your MySQL installation MUST support InnoDB tables (or Berkeley DB (BDB) tables if you have no other choice). If you’re running < 4.0.18 (but not <4.0) then you’ll need to use BDB to pass all unit tests. Edit the `roundup/backends/back_mysql.py` file to enable DBD instead of InnoDB.
2. Python MySQL interface - http://sourceforge.net/projects/mysql-python

## Running the MySQL tests

Roundup tests expect an empty MySQL database. Two alternate ways to provide this:

1. If you have root permissions on the MySQL server, you can create the necessary database entries using the follwing SQL sequence. Use `mysql` on the command line to enter:

       CREATE DATABASE rounduptest;
       USE rounduptest;
       GRANT ALL PRIVILEGES ON rounduptest.* TO rounduptest@localhost
            IDENTIFIED BY 'rounduptest';
       FLUSH PRIVILEGES;

2. If your administrator has provided you with database connection info, see the config values in ‘test/db_test_base.py’ about which database connection, name and user will be used.

The MySQL database should not contain any tables. Tests will not drop the database with existing data.

## Showing MySQL who’s boss

If things ever get to the point where that test database is totally hosed, just:

    $ su -
    # /etc/init.d/mysql stop
    # rm -rf /var/lib/mysql/rounduptest
    # /etc/init.d/mysql start

and all will be better (note that on some systems, `mysql` is spelt `mysqld`).

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