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UPGRADE-3.0.md

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UPGRADE FROM 2.x to 3.0

Aggregation

The new Doctrine\ODM\MongoDB\Aggregation\Builder::getAggregation() method returns an Doctrine\ODM\MongoDB\Aggregation\Aggregation instance, comparable to the Query class.

The Doctrine\ODM\MongoDB\Aggregation\Builder::execute() method was removed.

ID generators

The Doctrine\ODM\MongoDB\Id\AbstractIdGenerator class has been removed. Custom ID generators must implement the Doctrine\ODM\MongoDB\Id\IdGenerator interface.

Metadata

The Doctrine\ODM\MongoDB\Mapping\ClassMetadata class has been marked final and will no longer be extendable.

The boolean, integer, and int_id mapping types have been removed. Use the bool, int, and int types, respectively. These types behave exactly the same.