query-builder | 易学教程

Laravel join query with conditions

阅读更多关于 Laravel join query with conditions

I have 4 tables. User table: id col1 col2 CoursesAssigned table: id user_id course_id approved CourseInfo table: id parent_id CourseParents table: id start_date end_date I think the table names and its column names are self explanatory. I have 2 kinds of users - i) assigned ii) unassigned. I show them in 2 different pages. While showing the assigned students I need those students from users table for each of whom there is at least one row in CoursesAssigned table where user_id is his own user id and the approved field is 1 and the course_id in that row has its own parent_id (from CourseInfo )

INNER JOIN Results from Select Statement using Doctrine QueryBuilder

阅读更多关于 INNER JOIN Results from Select Statement using Doctrine QueryBuilder

Can you use Doctrine QueryBuilder to INNER JOIN a temporary table from a full SELECT statement that includes a GROUP BY ? The ultimate goal is to select the best version of a record. I have a viewVersion table that has multiple versions with the same viewId value but different timeMod. I want to find the version with the latest timeMod (and do a lot of other complex joins and filters on the query). Initially people assume you can do a GROUP BY viewId and then ORDER BY timeMod , but ORDER BY has no effect on GROUP BY, and MySQL will return random results. There are a ton of answers out there (e

Subquery in doctrine2 notIN Function

阅读更多关于 Subquery in doctrine2 notIN Function

I'd like to select members who are not in specific service. I have 3 tables : membre service membre_service (relation between membre and service ) I'm using doctrine 2 and in SQL my query is : SELECT m.* FROM membre m WHERE m.`id` NOT IN ( SELECT ms.membre_id FROM membre_service ms WHERE ms.service_id != 29 ) In Doctrine, I do : $qb = $this->_em->createQueryBuilder(); $qb2 = $qb; $qb2->select('m.id') ->from('Custom\Entity\MembreService', 'ms') ->leftJoin('ms.membre', 'm') ->where('ms.id != ?1') ->setParameter(1, $service); $qb = $this->_em->createQueryBuilder(); $qb->select('m') ->from('Custom

Symfony 2: INNER JOIN on non related table with doctrine query builder

阅读更多关于 Symfony 2: INNER JOIN on non related table with doctrine query builder

问题 I'm trying to build a query with the doctrine query builder which joins a non related table like this: $query = $this->createQueryBuilder('gpr') ->select('gpr, p') ->innerJoin('TPost', 'p') ->where('gpr.contentId = p.contentId') But this doesn't work. I still get an error: Error: Identification Variable TPost used in join path expression but was not defined before. I searched for this error message and everybody answered to use the table alias + attribute like p.someAttribute. But the table I

How to select distinct query using symfony2 doctrine query builder?

阅读更多关于 How to select distinct query using symfony2 doctrine query builder?

问题 I have this symfony code where it retrieves all the categories related to a blog section on my project: $category = $catrep->createQueryBuilder('cc') ->Where('cc.contenttype = :type') ->setParameter('type', 'blogarticle') ->getQuery(); $categories = $category->getResult(); This works, but the query includes duplicates: Test Content Business Test Content I want to use the DISTINCT command in my query. The only examples I have seen require me to write raw SQL. I want to avoid this as much as

Doctrine QueryBuilder delete with joins

阅读更多关于 Doctrine QueryBuilder delete with joins

问题 I'm trying to use the Doctrine QueryBuilder to perform the following SQL query: DELETE php FROM product_hole_pattern php INNER JOIN hole_pattern hp ON php.hole_pattern_id = hp.id INNER JOIN hole_pattern_type hpt ON hp.hole_pattern_type_id = hpt.id WHERE php.product_id = 4 AND hpt.slug='universal'; I have this $qb = $this->entityManager->createQueryBuilder(); $query = $qb->delete('\SANUS\Entity\ProductHolePattern', 'php') ->innerJoin('php.holePattern', 'hp') ->innerJoin('hp.holePatternType',

How to safely use reserved SQL names?

阅读更多关于 How to safely use reserved SQL names?

I'm using Cakephp 3 using sqlserver as datasource server. I am sure there's no problem with my database connection.. as home.ctp prompts that I am connected to my database.. and I'm as well using migrations plugin to create my tables.. it seems like there is no problem working with these tools. but after I bake my MVC, I only got page full of errors.. for example $bin\cake bake all tests there are no errors I found and MVC are in its specific folder, testController.php, testTable, etc. and in browsers localhost:8765\tests but all I got is page of different errors.. Im seeing Error: SQLSTATE

Laravel: how to use derived tables / subqueries in the laravel query builder

阅读更多关于 Laravel: how to use derived tables / subqueries in the laravel query builder

问题 Edit: Though this question originally was specific for the query I'm describing underneath, the answer I got applies to almost all questions related to using derived tables / subqueries in Laravel Original Question: Lately I'm a bit stuck on the laravel query builder. It has some really nice features but I feel like it just isn't build for more complex database operations. This is the query I'm trying to build: select 'IFNULL(counted.product_count, 0) AS product_count', 'uncounted.value',

Symfony2 Doctrine querybuilder where IN

阅读更多关于 Symfony2 Doctrine querybuilder where IN

问题 I losted trilion hours google this but none of the solutions were good. I have this querybuilder: $qb2=$this->createQueryBuilder('s') ->addSelect('u') ->innerJoin('s.user','u') ->where("u.id IN(:followeeIds)") ->andWhere('s.admin_status = false') ->setParameter('user', $user) ->setParameter('followeeIds', $arrayFolloweeIds) ->orderBy('s.id','DESC') ->setMaxResults(15) ; I could do a second query and then do like $qb->getDQL() but have would i cache the query ? Error: Invalid parameter number:

How to order by count in Doctrine 2?

阅读更多关于 How to order by count in Doctrine 2?

问题 I'm trying to group my entity by a field (year) and do a count of it. Code: public function countYear() { $qb = $this->getEntityManager()->createQueryBuilder(); $qb->select('b.year, COUNT(b.id)') ->from('\My\Entity\Album', 'b') ->where('b.year IS NOT NULL') ->addOrderBy('sclr1', 'DESC') ->addGroupBy('b.year'); $query = $qb->getQuery(); die($query->getSQL()); $result = $query->execute(); //die(print_r($result)); return $result; } I can't seem to say COUNT(b.id) AS count as it gives an error,