$defaultDatabaseName public property Default database name. public string getDefaultDatabaseName ( )public void setDefaultDatabaseName ( $name )

$database public read-only property Database instance. public yii\mongodb\Database getDatabase ( $name = null, $refresh = false )

update() public method Update existing documents in the collection. public \MongoDB\Driver\WriteResult update ( $collectionName, $condition, $document, $options = [] )$collectionName string Collection name $condition array Filter condition $document array Data to be updated. $options array Update options. return \MongoDB\Driver\WriteResult Write result.

setWriteConcern() public method Sets write concern for this command. public $this setWriteConcern ( $writeConcern )$writeConcern \MongoDB\Driver\WriteConcern|integer|string|null Write concern, it can be an instance of \MongoDB\Driver\WriteConcern or its scalar mode value, for example: majority. return $this Self reference

setReadPreference() public method Sets read preference for this command. public $this setReadPreference ( $readPreference )$readPreference \MongoDB\Driver\ReadPreference|integer|string|null Read reference, it can be specified as instance of \MongoDB\Driver\ReadPreference or scalar mode value, for example: ReadPreference::RP_PRIMARY. return $this Self reference.

setReadConcern() public method Sets read concern for this command. public $this setReadConcern ( $readConcern )$readConcern \MongoDB\Driver\ReadConcern|string Read concern, it can be an instance of \MongoDB\Driver\ReadConcern or scalar level value, for example: 'local'. return $this Self reference

query() public method Executes this command as a mongo query public \MongoDB\Driver\Cursor query ( $collectionName, $options = [] )$collectionName string Collection name $options array Query options. return \MongoDB\Driver\Cursor Result cursor. throws yii\mongodb\Exception on failure

mapReduce() public method Performs MongoDB "map-reduce" command. public string|array mapReduce ( $collectionName, $map, $reduce, $out, $condition = [], $options = [] )$collectionName string Collection name. $map \MongoDB\BSON\Javascript|string Function, which emits map data from collection. Argument will be automatically cast to \MongoDB\BSON\Javascript. $reduce \MongoDB\BSON\Javascript|string Function that takes two arguments (the map key and the map values) and does the aggregati

log() protected method Logs the command data if logging is enabled at $db. protected string|false log ( $namespace, $data, $category )$namespace array|string Command namespace. $data array Command data. $category string Log category return string|false Log token, false if log is not enabled.

listIndexes() public method Returns information about current collection indexes. public array listIndexes ( $collectionName, $options = [] )$collectionName string Collection name $options array List of options in format: optionName => optionValue. return array List of indexes info. throws yii\mongodb\Exception on failure.