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UPGRADE-2.2.md

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UPGRADE FROM 2.1 to 2.2

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 deprecated and will be removed in ODM 3.0.

The Doctrine\ODM\MongoDB\Aggregation\Stage\Match and Doctrine\ODM\MongoDB\Aggregation\Stage\GraphLookup\Match classes were deprecated and replaced by Doctrine\ODM\MongoDB\Aggregation\Stage\MatchStage and Doctrine\ODM\MongoDB\Aggregation\Stage\GraphLookup\MatchStage respectively. This change was necessary due to match being a reserved keyword in PHP 8. You must replace any usage of this class before you migrate to PHP 8.

Document indexes (annotations)

Using @Index annotation(s) on a class level is a preferred way for defining indexes for documents. Using @Index in the @Indexes annotation or an indexes property of other annotations was deprecated and will be removed in ODM 3.0.