public yii\mongodb\Connection $connection = null

public yii\mongodb\file\Collection getFileCollection ( $prefix = 'fs', $refresh = false )

public string $name = null

clearCollections() public method

Clears internal collection lists.

This method can be used to break cycle references between yii\mongodb\Database and yii\mongodb\Collection instances.

public void clearCollections ( )

createCollection() public method

Creates new collection.

Note: Mongo creates new collections automatically on the first demand, this method makes sense only for the migration script or for the case you need to create collection with the specific options.

public boolean createCollection ( $name, $options = [] )
$name	string	Name of the collection
$options	array	Collection options in format: "name" => "value"
return	boolean	Whether operation was successful.
throws	yii\mongodb\Exception	on failure.

createCommand() public method (available since version 2.1)

Creates MongoDB command associated with this database.

public yii\mongodb\Command createCommand ( $document = [] )
$document	array	Command document contents.
return	yii\mongodb\Command	Command instance.

dropCollection() public method (available since version 2.1)

Drops specified collection.

public boolean dropCollection ( $name )
$name	string	Name of the collection
return	boolean	Whether operation was successful.

getCollection() public method

Returns the Mongo collection with the given name.

public yii\mongodb\Collection getCollection ( $name, $refresh = false )
$name	string	Collection name
$refresh	boolean	Whether to reload the collection instance even if it is found in the cache.
return	yii\mongodb\Collection	Mongo collection instance.

getFileCollection() public method

Returns Mongo GridFS collection with given prefix.

public yii\mongodb\file\Collection getFileCollection ( $prefix = 'fs', $refresh = false )
$prefix	string	Collection prefix.
$refresh	boolean	Whether to reload the collection instance even if it is found in the cache.
return	yii\mongodb\file\Collection	Mongo GridFS collection.

listCollections() public method (available since version 2.1.1)

Returns the list of available collections in this database.

public array listCollections ( $condition = [], $options = [] )
$condition	array	Filter condition.
$options	array	Options list.
return	array	Collections information.

selectCollection() protected method

Selects collection with given name.

protected yii\mongodb\Collection selectCollection ( $name )
$name	string	Collection name.
return	yii\mongodb\Collection	Collection instance.

selectFileCollection() protected method

Selects GridFS collection with given prefix.

protected yii\mongodb\file\Collection selectFileCollection ( $prefix )
$prefix	string	File collection prefix.
return	yii\mongodb\file\Collection	File collection instance.