disable part of a defaultScope

Have a default scope which is on tenant_id and project_id. tenant_id no relation. Project_id has a relation.


	public function defaultScope()

	{

		return array(

			'condition'=>'project_id='.Yii::App()->user->projectId 

			.' and tenant_id='.Yii::App()->user->tenantId

		);

	}

I know i can use resetScope to "bypass/disable" the default scope. How can i bypass part of the default scope - only project_id?

My app is a multi-tenant app. all records are separated by a tenant_id (no fk). Any help is appreciated.