doctrine-orm

问题 Whenever I use an ArrayCollection with Doctrine ORM (2.3, PHP > 5.4), and associate the object values with a key in the collection (such as when using the set method), the values get stored correctly in the database. But when I want to retrieve the collection from the entity, the keys don't get retrieved and instead they use a numeric index. For instance, if I have the following classes: /** @Entity */ class MyEntity { /** @OneToMany(targetEntity="MyOtherEntity", mappedBy="mainEntity") */

问题 Let me start by outlining the scenario. I have a Note object that can be assigned to many different objects A Book can have one or more Note s. An Image can have one or more Note s. A Address can have one or more Note s. What I envision the database to look like: book id | title | pages 1 | harry potter | 200 2 | game of thrones | 500 image id | full | thumb 2 | image.jpg | image-thumb.jpg address id | street | city 1 | 123 street | denver 2 | central ave | tampa note id | object_id | object

问题 what can i do if the parameter has no value? my query: $query = $this->_em->createQueryBuilder() ->select('u') ->from('Users', 'u') ->where('u.id = ?1') ->andWhere('u.status= ?2') ->setParameter(1, $userid) ->setParameter(2, $status) ->getQuery(); return $query->getResult(); if theres no $status, then it doesnt display anything. i tried putting a condition before the query to check if its null but what value can i set $status iif theres no status set 回答1: The query builder is exactly there

问题 I have a Doctrine filter in Symfony2 project. I am trying to set filter's parameter to some value (taken from session) on every request. The problem is that filter object is created after Symfony's onKernelRequest event, so I can't set it from there. If I try to set it in Doctrine's postConnect event circular dependency is detected: ServiceCircularReferenceException: Circular reference detected for service "doctrine.orm.private_entity_manager", path: "routing.loader -> assetic.asset_manager -

问题 I want to generate Entities from an Existing Database by using Doctrine tools for reverse engineering you can ask Doctrine to import the schema and build related entity classes by executing the following two commands. 1 $ php app/console doctrine:mapping:import AcmeBlogBundle annotation 2 $ php app/console doctrine:generate:entities AcmeBlogBundle but now the doctrine detect only ManyToOne relation in many side only "ProviderCountry" table if i need to add the ManyToMany relation i have to

问题 Is there a way to create and modify entities and tables in a db dynamically (from a php script)? For example, I want to generate an entity from an array: fields{ id: integer, name: string, ... and so on } And than generate a table in the bd I know only one simple solution: to create yml or xml file and run a console command from my script, or use DBAL 回答1: I know only one simple solution: to create yml or xml file and run a console command from my script, or use DBAL You can also generate an

问题 Is there a way to create and modify entities and tables in a db dynamically (from a php script)? For example, I want to generate an entity from an array: fields{ id: integer, name: string, ... and so on } And than generate a table in the bd I know only one simple solution: to create yml or xml file and run a console command from my script, or use DBAL 回答1: I know only one simple solution: to create yml or xml file and run a console command from my script, or use DBAL You can also generate an

问题 I'm using Single Table Inheritance in Doctrine2 to store OAuth credentials for multiple services. I'd like to use the service's id as the primary key; however, that's not unique across all services. I've setup the database to use the discriminator column and the service's id as the primary key, but I can't find a way to make Doctrine use the discriminator column as the key (in addition to the discriminator column). I'm using docblock annotations, and if I add the discriminator column as an

问题 I am exaclty not getting the associations in doctrine. i want to know what is the difference between unidirectional and bidirectional relationship. and what is owning side and inverse side in doctrine 2 回答1: Bidirectional and Unidirectional relationships Bidirectional and unidirectional is about references in your PHP objects. As you can see here, the database schemas for unidirectional and bidirectional references are effectively the same. The difference is: Unidirectional: objects of class

问题 Hello I tried Symfony and I'm a very novice. I am looking for an elegant way to filter listings. Let me explain: I have two entities: Link and Tag. They are in multiple relation. On my index view I created this form. I did a findAll() to get all my tags for the select: <form method="GET" action=""> <input class="btn btn-default" type="submit"/> <select name="tags[]" class="selectpicker" multiple="yes"> {% for tag in tags %} <option value="{{ tag.id }}"> {{ tag.title }}</option> {% endfor %} <