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Upgrading Instructions for Yii Framework v2

!!!IMPORTANT!!!

The following upgrading instructions are cumulative. That is, if you want to upgrade from version A to version C and there is version B between A and C, you need to following the instructions for both A and B.

Upgrade from Yii 2.0.5

  • PHP mongodb extension is now used instead of mongo. Make sure you have 'mongodb' extension at your environment. Some features based on old driver may become unavailable. In particular: fields Connection::mongoClient, Database::mongoDb and Collection::mongoCollection are no longer exist. Old driver type classes such as \MongoId, \MongoCode, \MongoDate and so on, are no longer returned or recognized. Make sure you are using their analogs from \MongoDB\BSON\* namespace.

  • MongoDB server versions < 3.0 are no longer supported. Make sure you are running MongoDB server >= 3.0

  • The signature of the following \yii\mongodb\Collection methods has been changed: aggregate(), distinct(), find(), findOne(), findAndModify(). Make sure you invoke those methods correctly. In case you are extending \yii\mongodb\Collection, you should check, if overridden methods match parent declaration.

  • Command and query composition methods at \yii\mongodb\Collection, such as buildCondition(), ensureMongoId() and so on, have been removed. Use \yii\mongodb\QueryBuilder methods instead.

  • Method Database::executeCommand() has been removed. Use Command class for plain MongoDB command execution. You may create command with database scope using Database::createCommand() method.

  • Method Collection::fullTextSearch() has been removed. Use $text query condition instead.

  • Method Collection::getName() has been removed. Use Collection::name in order to get collection self name.

  • For GridFS yii\mongodb\file\Download is returned instead of \MongoGridFSFile for the query result set.

  • Cursor composed via yii\mongodb\file\Collection::find() now returns result in the same format as yii\mongodb\file\Query::one(). If you wish to perform file manipulations on returned row you should use file key instead of direct method invocations.

Upgrade from Yii 2.0.1

  • MongoDB PHP extension min version raised up to 1.5.0. You should upgrade your environment in case you are using older version.

Upgrade from Yii 2.0.0

  • MongoDB PHP extension min version raised up to 1.4.0. You should upgrade your environment in case you are using older version.