As stated by the Doctrine Configuration Reference by default logging of the SQL connection is set to the value of kernel.debug, so if you have instantiated AppKernel with debug set to true the SQL commands get stored in memory for each iteration. You should either instantiate AppKernel to false, set logging to false in you … Read more
Suppose your application manages Person objects, with each instance having name, age and jobTitle properties. You would like to persist such objects, retrieve them from the persistence medium and maybe update (say, on their birthday, increment the age) or delete. These tasks are usually referred to as CRUD, from Create, Read, Update and Delete. It … Read more
I can’t access my Vagrant box right now, but I believe this should work: $posts = Post::whereHas(‘categories’, function($q) { $q->where(‘slug’, ‘=’, Input::get(‘category_slug’)); })->get();
“ORM fail to compete against SQL queries for complex queries.” Well both LINQ-SQL and Entity Framework Allow complex queries and even translation of SQL query results into objects. “Developers loose understanding of what the code is actually doing – the developer is more in control using SQL.” Not really, if you know what you are … Read more
According to this issue comment, TypeORM enables you to use any queries to your heart’s content. using entityManager.query() Here is the documentation. UPDATE Link above is outdated, try this instead entity-manager-api. const rawData = await manager.query(`SELECT * FROM USERS`);
I’d say that if you aren’t dealing with objects there’s little point in using an ORM. If your relational tables/columns map 1:1 with objects/attributes, there’s not much point in using an ORM. If your objects don’t have any 1:1, 1:m or m:n relationships with other objects, there’s not much point in using an ORM. If … Read more
Just negate the filter: MyModel.query.filter(sqlalchemy.not_(Mymodel.name.contains(‘a_string’)))
Doctrine now has Criteria which offers a single API for filtering collections with SQL and in PHP, depending on the context. https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/working-with-associations.html#filtering-collections Update This will achieve the result in the accepted answer, without getting everything from the database. use Doctrine\Common\Collections\Criteria; /** * @ORM\Entity */ class Member { // … public function getCommentsFiltered($ids) { $criteria = … Read more
I’ve been using Dapper for a while now and have wondered what the Contrib and Rainbow projects were all about myself. After a bit of code review, here are my thoughts on their uses: Dapper.Contrib Contrib provides a set of extension methods on the IDbConnection interface for basic CRUD operations: Get Insert Update Delete The … Read more