(Hi!),
I need to get objects from a query builder, but I collect an array, so I have the following error:
Call to a member function getPropertyName() on array
So I suppose than my request isn't correct, but I don't know how to resolve my problem
public function findByYear($year): array
{
$conn = $this->getEntityManager()->getConnection();
$sql = 'SELECT * FROM rent_release r WHERE YEAR(`date`) = :yearRequested';
$stmt = $conn->prepare($sql);
$stmt->execute(['yearRequested' => $year]);
return $stmt->fetchAll();
}
Waiting for your help, thanks :)
Ok so, according to comments, I used createQueryBuilder and beberlei/doctrineextensions.
here is the DQL:
$qb = $this->createQueryBuilder('rr')
->andWhere('YEAR(rr.date) = :year')
->setParameter('year', $year)
->orderBy('rr.date', 'ASC')
->getQuery();
return $qb->execute();
and in doctrine.yaml I added this:
dql:
string_functions:
YEAR: DoctrineExtensions\Query\Mysql\Year
and now it works well, thanks all !
Related
I am trying to check whether an user email is set or not. I am able to get the ones that are set to NULL but I am missing on the ones that have an empty string as the value. Here is my attempt:
$user = $this->createQueryBuilder('u')
->where('(u.email IS NULL OR u.email = :empty)')
->setParameter('empty', "''")
->getQuery()->getResult()
;
I have no problem getting the NULL emails but I fail to get the empty string emails. Is there any way to accomplish this or is it not supported in DQL?
How about this (EDIT #2):
$user = $this->createQueryBuilder('u')
->where('u.email = NULL')
->orWhere('u.email = \'\'')
->getQuery()->getResult()
;
Does that work?
Worths mention that the Expr Helper from QueryBuilder provides a function for that:
// Example - $qb->expr()->isNull('u.id') => u.id IS NULL
public function isNull($x); // Returns string
So for your case you can do something like:
$qb = $this->createQueryBuilder('u');
$qb
->where(
$qb->expr()->orX(
$qb->expr()->isNull('u.email'),
$qb->expr()->eq('u.email', ':empty'),
)
)
->setParameter('empty', '""');
$users = $qb->getQuery()->getResult();
ok, with
$user = $this->getDoctrine()
->getRepository('UserBundle:User')
->find($user_id)
I get an User by the given Identifier (ID).
but how can I get him by given email?
$emailCheck = $em->createQueryBuilder('u')
->select('u, r')
->where('u.email = :email')
->setParameter('email','test#email.com')
->getQuery();
Whill it return an array or an object? Is this the right way to handle it?
This will return a User object.
$user = $this->getDoctrine()
->getRepository('UserBundle:User')
->findOneByEmail($email);
You can use either
$user = $this->getDoctrine()
->getRepository('UserBundle:User')
->findBy(array('email' => $email));
To load an array of User entities. (Will always be a list, even with 0 or 1 results.)
Or you can do:
$user = $this->getDoctrine()
->getRepository('UserBundle:User')
->findOneBy(array('email' => $email));
This will return the first found result as a User entity object.
You can use the getOneOrNullResult(), as well, it's the long variant. Note however that you should always use setMaxResults(1) with this, otherwise you'll get an exception if more than one result is found (SF 2.3.x).
Either you use the magic method of Doctrine findOneByyour_field or you can create your own method in your repo
public function findOneByEmailAndStoreId($email, $store_id)
{
$q = $this->createQueryBuilder('c')
->where('c.email = :email')
->andWhere('c.store_id = :store_id')
->setParameter('email', $email)
->setParameter('store_id', $store_id)
->getQuery();
return $q->getOneOrNullResult(); // will return only one result or null 'getResult' will return a collection
}
I can't find the answer in the documentation.
I use symfony for an application, i have a database with a datetime for each of my table and would like to get only the row with the most recent datetime is there a function like $repository->findOneById($id) to obtain this object ?
Here is a solution using QueryBuilder:
$repository = $this->getDoctrine()
->getRepository('AcmeStoreBundle:Product');
$query = $repository->createQueryBuilder('p')
->orderBy('p.datetime', 'DESC')
->setMaxResults(1)
->getQuery();
$product = $query->getResult();
Regards.
I'm trying to do the pagination, but there is an error:
[Syntax Error] line 0, col 57: Error: Expected end of string, got 'limit'
I'm not quite sure if this is the right syntax (and logic) to make my query:
public function getFriendsFromTo ($user, $limit, $offset)
{
return $this->getEntityManager()
->createQuery('SELECT f FROM EMMyFriendsBundle:Friend f WHERE f.user='.$user.' limit '.$limit. 'offset' .$offset)
->getResult();
}
Friends and users are related manyToOne and oneToMany, so in the friends table there is a field - user_id.
This is in my controller:
$user = $this->get('security.context')->getToken()->getUser();
$id = $user->getId();
$friends = $user->getFriends();
$result = count($friends)
$FR_PER_PAGE = 7;
$pages = $result/$FR_PER_PAGE;
$em = $this->getDoctrine()->getEntityManager();
$friends = $em->getRepository('EMMyFriendsBundle:Friend')
->getFriendsFromTo($id, $FR_PER_PAGE, $page*$FR_PER_PAGE);
I know that it's stupid and even wrong (especially the third parameter to be $page*$FR_PER_PAGE), but I just wanted to try if the query works, and it didn't.
Nope. Use:
return $this->getEntityManager()
->createQuery('...')
->setMaxResults(5)
->setFirstResult(10)
->getResult();
$towary = $this->getDoctrine()
->getRepository('AcmeStoreBundle:Towar')
->findBy(array(),array(),10,($current-1)*$numItemsPerPage);
You can use findBy 3rd and 4th parameters of method of doctrine repository, which are limit and offset.
Here is the method definition:
findBy(
array $criteria,
array $orderBy = null,
integer|null $limit = null,
integer|null $offset = null
)
Source: http://www.doctrine-project.org/api/orm/2.2/class-Doctrine.ORM.EntityRepository.html
you can also use
$query->getSingleResult();
Doctrine2.6, stumbled upon this old post and tried the DQL way but it did not fit for purpose. So if you want to avoid using DQL because you already have Entities mapped and joined together, you can do paging using matching & Criteria
$criteria = Criteria::create()
->setMaxResults($limit ? $limit : null)
->setFirstResult($offset ? $offset : null)
$result = $em->getRepository('EMMyFriendsBundle:Friend')
->matching($criteria)->toArray();
I'm using Doctrine's QueryBuilder to build a query, and I want to get the total count of results from the query.
$repository = $em->getRepository('FooBundle:Foo');
$qb = $repository->createQueryBuilder('n')
->where('n.bar = :bar')
->setParameter('bar', $bar);
$query = $qb->getQuery();
//this doesn't work
$totalrows = $query->getResult()->count();
I just want to run a count on this query to get the total rows, but not return the actual results. (After this count query, I'm going to further modify the query with maxResults for pagination.)
Something like:
$qb = $entityManager->createQueryBuilder();
$qb->select('count(account.id)');
$qb->from('ZaysoCoreBundle:Account','account');
$count = $qb->getQuery()->getSingleScalarResult();
Some folks feel that expressions are somehow better than just using straight DQL. One even went so far as to edit a four year old answer. I rolled his edit back. Go figure.
Here is another way to format the query:
return $repository->createQueryBuilder('u')
->select('count(u.id)')
->getQuery()
->getSingleScalarResult();
It's better to move all logic of working with database to repositores.
So in controller you write
/* you can also inject "FooRepository $repository" using autowire */
$repository = $this->getDoctrine()->getRepository(Foo::class);
$count = $repository->count();
And in Repository/FooRepository.php
public function count()
{
$qb = $repository->createQueryBuilder('t');
return $qb
->select('count(t.id)')
->getQuery()
->getSingleScalarResult();
}
It's better to move $qb = ... to separate row in case you want to make complex expressions like
public function count()
{
$qb = $repository->createQueryBuilder('t');
return $qb
->select('count(t.id)')
->where($qb->expr()->isNotNull('t.fieldName'))
->andWhere($qb->expr()->orX(
$qb->expr()->in('t.fieldName2', 0),
$qb->expr()->isNull('t.fieldName2')
))
->getQuery()
->getSingleScalarResult();
}
Also think about caching your query result - http://symfony.com/doc/current/reference/configuration/doctrine.html#caching-drivers
public function count()
{
$qb = $repository->createQueryBuilder('t');
return $qb
->select('count(t.id)')
->getQuery()
->useQueryCache(true)
->useResultCache(true, 3600)
->getSingleScalarResult();
}
In some simple cases using EXTRA_LAZY entity relations is good
http://doctrine-orm.readthedocs.org/projects/doctrine-orm/en/latest/tutorials/extra-lazy-associations.html
If you need to count a more complex query, with groupBy, having etc... You can borrow from Doctrine\ORM\Tools\Pagination\Paginator:
$paginator = new \Doctrine\ORM\Tools\Pagination\Paginator($query);
$totalRows = count($paginator);
Since Doctrine 2.6 it is possible to use count() method directly from EntityRepository. For details see the link.
https://github.com/doctrine/doctrine2/blob/77e3e5c96c1beec7b28443c5b59145eeadbc0baf/lib/Doctrine/ORM/EntityRepository.php#L161
Example working with grouping, union and stuff.
Problem:
$qb = $em->createQueryBuilder()
->select('m.id', 'rm.id')
->from('Model', 'm')
->join('m.relatedModels', 'rm')
->groupBy('m.id');
For this to work possible solution is to use custom hydrator and this weird thing
called 'CUSTOM OUTPUT WALKER HINT':
class CountHydrator extends AbstractHydrator
{
const NAME = 'count_hydrator';
const FIELD = 'count';
/**
* {#inheritDoc}
*/
protected function hydrateAllData()
{
return (int)$this->_stmt->fetchColumn(0);
}
}
class CountSqlWalker extends SqlWalker
{
/**
* {#inheritDoc}
*/
public function walkSelectStatement(AST\SelectStatement $AST)
{
return sprintf("SELECT COUNT(*) AS %s FROM (%s) AS t", CountHydrator::FIELD, parent::walkSelectStatement($AST));
}
}
$doctrineConfig->addCustomHydrationMode(CountHydrator::NAME, CountHydrator::class);
// $qb from example above
$countQuery = clone $qb->getQuery();
// Doctrine bug ? Doesn't make a deep copy... (as of "doctrine/orm": "2.4.6")
$countQuery->setParameters($this->getQuery()->getParameters());
// set custom 'hint' stuff
$countQuery->setHint(Query::HINT_CUSTOM_OUTPUT_WALKER, CountSqlWalker::class);
$count = $countQuery->getResult(CountHydrator::NAME);
For people who are using only Doctrine DBAL and not the Doctrine ORM, they will not be able to access the getQuery() method because it doesn't exists. They need to do something like the following.
$qb = new QueryBuilder($conn);
$count = $qb->select("count(id)")->from($tableName)->execute()->fetchColumn(0);
To count items after some number of items (offset), $qb->setFirstResults() cannot be applied in this case, as it works not as a condition of query, but as an offset of query result for a range of items selected (i. e. setFirstResult cannot be used togather with COUNT at all). So to count items, which are left I simply did the following:
//in repository class:
$count = $qb->select('count(p.id)')
->from('Products', 'p')
->getQuery()
->getSingleScalarResult();
return $count;
//in controller class:
$count = $this->em->getRepository('RepositoryBundle')->...
return $count-$offset;
Anybody knows more clean way to do it?
Adding the following method to your repository should allow you to call $repo->getCourseCount() from your Controller.
/**
* #return array
*/
public function getCourseCount()
{
$qb = $this->getEntityManager()->createQueryBuilder();
$qb
->select('count(course.id)')
->from('CRMPicco\Component\Course\Model\Course', 'course')
;
$query = $qb->getQuery();
return $query->getSingleScalarResult();
}
You can also get the number of data by using the count function.
$query = $this->dm->createQueryBuilder('AppBundle:Items')
->field('isDeleted')->equals(false)
->getQuery()->count();