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Doctrine 2 Extensions, primarily, for MySQL

This package contains several extensions to Doctrine 2 that hook into the facilities of Doctrine and offer new functionality or tools to use Doctrine 2 more efficiently.

Disclaimer

This is an unsanctioned fork of https://github.com/beberlei/DoctrineExtensions since he seems to have gone off grid and is not merging pull requests.

I am primarily interested in a central store of additional MySQL functions for Doctrine2 with decent lexers, and the repository this is a fork from is the most complete I came across.

I will happily merge in PR's from the original repo on request, I'm only going to merge the stuff I need otherwise, if you have something waiting on beberlie's repo feel free to resubmit it here and I'll check it over and merge it in.

Including DoctrineExtensions

To include the DoctrineExtensions should fire up an autoloader, for example:

If you're using Symfony2 and are primarily interested in the additional MySQL functions, you can pile them into your configuration like so:

doctrine:
    orm:
        dql:
            datetime_functions:
                date: DoctrineExtensions\Query\Mysql\Date
                dateadd: DoctrineExtensions\Query\Mysql\DateAdd
                datediff: DoctrineExtensions\Query\Mysql\DateDiff
                date_format: DoctrineExtensions\Query\Mysql\DateFormat
                day: DoctrineExtensions\Query\Mysql\Day
                dayname: DoctrineExtensions\Query\Mysql\DayName
                strtodate: DoctrineExtensions\Query\Mysql\StrToDate
                timestampdiff: DoctrineExtensions\Query\Mysql\TimestampDiff
                week: DoctrineExtensions\Query\Mysql\Week
                year: DoctrineExtensions\Query\Mysql\Year

            numeric_functions:
                acos: DoctrineExtensions\Query\Mysql\Acos
                asin: DoctrineExtensions\Query\Mysql\Asin
                atan2: DoctrineExtensions\Query\Mysql\Atan2
                atan: DoctrineExtensions\Query\Mysql\Atan
                cos: DoctrineExtensions\Query\Mysql\Cos
                cot: DoctrineExtensions\Query\Mysql\Cot
                round: DoctrineExtensions\Query\Mysql\Round
                sin: DoctrineExtensions\Query\Mysql\Sin
                tan: DoctrineExtensions\Query\Mysql\Tan

            string_functions:
                charlength: DoctrineExtensions\Query\Mysql\CharLength
                concat_ws: DoctrineExtensions\Query\Mysql\ConcatWs
                countif: DoctrineExtensions\Query\Mysql\CountIf
                degrees: DoctrineExtensions\Query\Mysql\Degrees
                field: DoctrineExtensions\Query\Mysql\Field
                findinset: DoctrineExtensions\Query\Mysql\FindInSet
                groupconcat: DoctrineExtensions\Query\Mysql\GroupConcat
                ifelse: DoctrineExtensions\Query\Mysql\IfElse
                ifnull: DoctrineExtensions\Query\Mysql\IfNull
                matchagainst: DoctrineExtensions\Query\Mysql\MatchAgainst
                md5: DoctrineExtensions\Query\Mysql\Md5
                month: DoctrineExtensions\Query\Mysql\Month
                monthname: DoctrineExtensions\Query\Mysql\MonthName
                nullif: DoctrineExtensions\Query\Mysql\NullIf
                radians: DoctrineExtensions\Query\Mysql\Radians
                sha1: DoctrineExtensions\Query\Mysql\Sha1
                sha2: DoctrineExtensions\Query\Mysql\Sha2

There may be more functions available than this, check https://github.com/wiredmedia/DoctrineExtensions/tree/master/lib/DoctrineExtensions/Query/Mysql to be sure.

Paginator

The paginator offers a powerful way to iterate over any DQL, even fetch joins of collections. For this it has to issue 3 queries to the database:

1. Count the total number of entries in the list
2. Fetch the Unique IDs of the given $limit + $offset window
3. Fetch the Entities for all the Unique Ids given in 2.

If you don't need to iterate a fetch-joined to-many DQL query you can shortcut:

1. Count the total number of entries in the list
2. Fetch the Query using $query->setFirstResult($offset)->setMaxResults($limit);

The API for the Paginator is really simple:

In the simple case its even easier:

These methods internally use several others to create and retrieve the data. You can re-use those methods to integrate with existing pagination solutions, a Zend_Paginator implementation is already shipped (DoctrineExtensions\Paginate\PaginationAdapter).

PHPUnit

The PHPUnit Extension for Doctrine offers several hooks into PHPUnits Database extension and offers a very convenient way to test your Doctrine 2 code against a Database.

Using the OrmTestCase:

An Example

For more information see the PHPUnit Documentation on this topic: http://www.phpunit.de/manual/current/en/database.html

Notes

This PHPUnit extension does not create the database schema for you. It has to be created before you run the tests. If you want to dynamically create the schema you have to listen to the 'preTestSetUp' and 'postTestSetUp' events that are called before and after the fixture is loaded respectively.

TODOs:

• Add a Filter to transform between Entity-Speak and database columns for the DataSet and DataTable interfaces. This could also be used as basis for "fixture" management. XML or YAML fixture formats could be used to fill the database initially.
• Add a test-case that automatically tests the persistence of all your entities against the current mapping schema and database, aswell as related entities.

Versionable

Deprecated, please use https://github.com/simplethings/EntityAudit

Introduction

Versionable allows you to tag your entities by the DoctrineExtensions\Versionable\Versionable interface, which leads to snapshots of the entities being made upon saving to the database.

This is an extended version of the prototype discussed in a blog-post on the Doctrine 2 website:

http://www.doctrine-project.org/blog/doctrine2-versionable

The interface Versionable is modified considerably by removing all the getResourceId(), getVersionedData() and getCurrentVersion() methods, since Doctrine can easily retrieve these values on its own using the UnitOfWork API. Versionable is then just a marker interface.

What Versionable does

Whenever an entity that implements Versionable is updated all the old values of the entity are saved with their old version number into a newly created ResourceVersion entity.

Requirements of your entities are:

• Single Identifier Column (String or Integer)
• Entity has to be versioned (using @version annotation)

Implementing Versionable would look like:

Configuration

You have to add the DoctrineExtensions\Versionable\Entity\ResourceVersion entity to your metadata paths. It is using the Annotation Metadata driver, so you have to specifiy or configure the path to the directory on the CLI. Also if you are using any other metadata driver you have to wrap the Doctrine\ORM\Mapping\Driver\DriverChain to allow for multiple metadata drivers.

You also have to hook the VersionListener into the EntityManager's EventManager explicitly upon construction:

Using the VersionManager you can now retrieve all the versions of a versionable entity:

Or you can revert to a specific version number:

marijn/patch-1