Database version control without pain - the PHP Barcelona version

PHP Barcelona Conference - 30th October 2010Harrie Verveer

Database Version Control Without Pain

zaterdag 30 oktober 2010

Oh hai!

Harrie Verveeraka Hairy

DutchyI live in a town called “Goes”

Software engineer at ibuildings since 2004Vlissingen (Flushing) office

http://www.mediawiki.org/wiki/File:Europe_satellite_orthographic.jpghttp://www.mediawiki.org/wiki/File:Europe_satellite_orthographic.jpg

Database Version ControlWhat’s the problem?

8zaterdag 30 oktober 2010

http://www.sxc.hu/photo/1207911

http://www.flickr.com/photos/kt/1217157/

Why Database Version Control

Simple Patching Strategy

The basic idea

Simple patching strategy

Example patch file

patch-001.sql

Simple patching strategy

Development

Write codeWrite DB patches

Apply patches to own DB

Update

Apply patches Commit

Fixing patches

patch-002.sql

Fixing patches

patch-002.sql

Fixing patches

patch-002.sql

Fixing patches

patch-003.sql

Fixing patches

patch-003.sql

Never modify a patch file onceit’s under version control

Undo patch files

undo-001.sql

http://www.freefoto.com/preview/41-07-7zaterdag 30 oktober 2010

Bonus points

Install.sql

Bonus points

Initial dummy content

Automating the processFaster & Safer

Typical patch script

update.sh

BranchesMerge problems

Branches

patch-001.sql

patch-002.sql

patch-003.sql

patch-001.sql

patch-002.sql

patch-003.sql

create branch

patch-004.sql

patch-005.sqlpatch-004.sql

patch-005.sql

Branch A

Branches

patch-001.sql

patch-002.sql

patch-003.sql

create branch

patch-004.sql

patch-005.sql

Branch A

Branches

patch-006.sql

patch-007.sql

Branches

patch-001.sql

patch-002.sql

patch-003.sql

create branch

patch-004.sql

patch-005.sql

patch-004.sql

patch-005.sql

Branch B

create branch

patch-002.sql

patch-003.sql

Branch A

patch-004.sql

patch-005.sql

Separate sequence

db/patches/trunk/

patch-001.sqlpatch-002.sqlpatch-003.sql

db/patches/branchA/

Separate sequence

db/patches/trunk/

patch-001.sqlpatch-002.sqlpatch-003.sql

db/patches/branchA/

Trunk version 3BranchA version 2

Patchfile naming

patch_20100611_1430.sql

Patch log

There is no silver bulletWhy it can’t exist

http://www.flickr.com/photos/eschipul/4160817135/

Comparing tables

Table in DB 1Table in DB 1

column 1 int

column 2 varchar(255)

column 1 int

Comparing tables

id int

name varchar(255)

city varchar(255)

id int

name varchar(255)

website varchar(255)

Comparing tables

id int

firstname varchar(255)

lname varchar(255)

id int

firstname varchar(255)

lastname varchar(255)

To synchronize two database structures without unexpected

dataloss, communicating all steps needed to get from A to B is

inevitable.

Phing & DB Deploy

45Cartoon by Oliver Widder - http://geekandpoke.typepad.com/zaterdag 30 oktober 2010

http://phing.info/

DB Deploy

Phing & DB Deploy

DB Deploy

db/patches/1-create_user_table.sql

DB Deploy

changelog table:

DB Deploy

changelog table:

DB Deploy

Features

LiquibaseThe most complete solution I know

Liquibase

www.liquibase.org

Liquibase

Updating

Reverting

Tagging

Generate XML

Liquibase

Branches

Liquibase

DBMS Support

Liquibase

Documentation

Liquibase

Akrabat DB Schema ManagerZend Framework specific solution

Akrabat DB Schema Manager

Zend Framework

Proposed by Rob Allen in 2006

Recently implemented

http://github.com/akrabat/Akrabat

Writing the patch

scripts/migrations/001-CreateUserTable.php

Writing the patch

scripts/migrations/001-CreateUserTable.php

PHP Patches

Easy syntax if you know ZF

Easy to install, easy to use

Branch merging

Doctrine MigrationsDoctrine ORM specific solution

Doctrine Migrations

http://www.doctrine-project.org/

Doctrine Migrations Patch

Doctrine Migrations

Update-to-version

./doctrine migrate

./doctrine generate-migrations-diff

Doctrine Migrations

Generate patches

Doctrine Migrations

Useful if you’re already using Doctrine ORM

Summary

Patchfiles• Automating

• Branch merging

• Why there is no silver bullet

Phing + DB Deployhttp://phing.infohttp://dbdeploy.com

Liquibasehttp://www.liquibase.org

Akrabat DB Schema Managerhttp://akrabat.comhttp://github.com/akrabat/Akrabat

Doctrine Migrationshttp://www.doctrine-project.org

Questions ?

Contact me

Harrie VerveerSoftware Engineer at Ibuildings

Blog:www.harrieverveer.com

E-mail:harrie@ibuildings.nl

Skype:harrie-ibuildings

Twitter:@harrieverveer

Database version control without pain - the PHP Barcelona version

Technology

PHP (ET MYSQL) - Freejlguillaume.free.fr/.../teaching/web1314/LI288_C5_PHP.pdf · 2013. 9. 10. · Le langage Php - histoire PHP : Hypertext PreProcessor La première version de PHP

vCloud SDK for PHP Developer's Guide - vCloud … SDK for PHP Developer's Guide The vCloud SDK for PHP Developer's Guide provides information about the PHP SDK for version 1.5 of the

PHP Weather Version 2.2

Tobi 스프링 2장 php version

PHP Version 7.1.= 33€¦ · /opt/plesk/php/7.1/etc/php.d/snmp.ini, /opt/plesk/php/7.1/etc/php.d/soap.ini, /opt/plesk/php/7.1/etc/php.d/sodium.ini, /opt/plesk/php/7.1/etc/php.d/sqlite3.ini,

PHP - Title PHP Hypertext Pre-Processor Currently Version 4 The Server Side Scripting Technology PHP - Presentation, ETH Zürich July

ORBASONE PAIN RELIEF SYSTEM OPERATOR …ORBASONE PAIN RELIEF SYSTEM OPERATOR MANUAL VERSION 2.3 (August 2005) ORB Operator manual Version 2.3 (February 2005) Page 1 …

orbasone pain relief system operator manual version 2.3

Php data structures – beyond spl (online version)

Php version 5

CodeCrafter User Guide Version 0 - Datacraft · CodeCrafter User Guide Version 0.2 Documentation for: CodeCrafter ... Codeigniter is a PHP application framework that allows PHP developers

Memcached: What is it and what does it do? (PHP Version)

Walled garden for onboarding user devices to eduroam · Download the Captive Portal PHP code from Gist/Github. RAW PHP version for download (RAW PHP version of file) ... Walled garden

Adapting the Iconic Pain Assessment Tool Version 2 (IPAT2 ... · Key Words: arthritis pain assessment, adolescents, adults, usability testing, pain iconography (Clin J Pain 2012;00:000–000)

DBSeer: Pain-free Database Administration through Workload ...web.eecs.umich.edu/~mozafari/php/data/uploads/vldb_2015_demo.pdfDBSeer: Pain-free Database Administration through Workload

Tax Incentives To Ease The Pain Presentation Full Version

Pain Conf Working Version 1

Web application development with laravel php framework version 4

PHP Version 5.5 - drupalcenter.de).pdf · PHP Version 5.5.12 System Windows NT DESKTOP-MDSSAJ8 6.2 build 9200 (Windows 8 Business Edition) ... Configuration File (php.ini) Path C:\Windows

XML-RPC for PHP - version 3.0.0 beta