Lightweight script to compare two database
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README.md

README

What is Compalex?

Compalex is a lightweight script to compare two database schemas. It supports MySQL, MS SQL Server and PostgreSQL.

Try demo or visit http://compalex.net/

Requirements

Compalex is only supported by PHP 5.4 and up with PDO extension.

Installation

$ git clone https://github.com/dlevsha/compalex.git
$ cd compalex

Open .environment. You'll see configuration params

[ Main settings ]
; Possible DATABASE_DRIVER: 'mysql', 'pgsql', 'dblib'.
; Please use 'dblib' for Microsoft SQL Server
DATABASE_DRIVER = mysql
DATABASE_ENCODING = utf8
SAMPLE_DATA_LENGTH = 100

[ Primary connection params ]
DATABASE_HOST = localhost
DATABASE_PORT = 3306
DATABASE_NAME = compalex_dev
DATABASE_USER = root
DATABASE_PASSWORD =
DATABASE_DESCRIPTION = Developer database

[ Secondary connection params ]
DATABASE_HOST_SECONDARY = localhost
DATABASE_PORT_SECONDARY = 3306
DATABASE_NAME_SECONDARY = compalex_prod
DATABASE_USER_SECONDARY = root
DATABASE_PASSWORD_SECONDARY =
DATABASE_DESCRIPTION_SECONDARY = Production database

where

DATABASE_DRIVER - database driver, possible value

  • mysql - for MySQL database
  • pgsql - for PostgreSQL database
  • dblib - for Microsoft SQL Server database

[ Primary connection params ] and [ Secondary connection params ]sections describes settings for first and second databases.

Where

  • DATABASE_HOST and DATABASE_HOST_SECONDARY - database host name or IP for first and second server

  • DATABASE_PORT and DATABASE_PORT_SECONDARY - database port for first and second server

  • DATABASE_NAME and DATABASE_NAME_SECONDARY - first and second database name

  • DATABASE_USER / DATABASE_PASSWORD and DATABASE_USER_SECONDARY / DATABASE_PASSWORD_SECONDARY - login and password to access your databases

  • DATABASE_DESCRIPTION and DATABASE_DESCRIPTION_SECONDARY - server description (not necessary). For information only. These names will display as a database name.

Inside compalex directory run

$ php -S localhost:8000

Now open your browser and type http://localhost:8000/

You'll see database schema of two compared databases.

Database Compare Panel

You can run this script in terminal (for example, if you don't have direct connection to database).

I recommend eLinks (free text-based console web browser) because it supports HTML-formatting and colors.

Install the script and run web-server as described above on your server.

Then run:

$ elinks http://localhost:8000

You'll see database schema in your terminal

Database schema in terminal

LICENSE

Copyright (c) 2015, Levsha Dmitry

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.