TownID must be specified as the foreign key. The Place struct gets like this: type Place struct { ID int Name string Description string TownID int Town Town } Now there are different approach to handle this. For example: places := []Place{} db.Find(&places) for i, _ := range places { db.Model(places[i]).Related(&places[i].Town) } This will certainly … Read more
Using the annotation @Column(insertable = false) will prevent the value being generated in the sql.
Like this? ⚡️ irb 2.2.2 :001 > [1,2,3] + [4,5,6] => [1, 2, 3, 4, 5, 6] But you don’t have 2 arrays. You could do something like: @movie = Movie.first() @options = Movie.order(“RANDOM()”).first(3).to_a << @movie
Sequelize is full blown ORM forcing you to hide SQL behind object representation. Knex is plain query builder, which is way too low level tool for application development. Better to use objection.js it combines good parts of ORMs without compromising power of writing any kind of SQL queries. Here is good article about it from … Read more
This is a know issue where setFirstResult() and setMaxResults() need to be use with care if your query contains a fetch-joined collection. As stated about First and Max Result Items: If your query contains a fetch-joined collection specifying the result limit methods are not working as you would expect. Set Max Results restricts the number … Read more
Please take a look at my DDDsample.Net project on CodePlex. The GUI is implemented using ASP.NET MVC while the business logic using DDD practices in 4 different variants: classic (no CQRS) CQRS with two NHIbernate relational data stores CQRS with LINQ to SQL on reporting side CQRS with Event Sourcing on command side
Yeah, there’s a confusion that arises. Here’s how it happens: First, in order to really help new people understand what CQRS is all about, and to really drive home how it differs from the typical layered architecture, people say things like, “Your view models can be completely flat”, and “You should have one table per … Read more
You need to test it with IN and subquery since both do work in JPQL (according to syntax reference they do work together). You may also look at MEMBER OF expressions. But there is a better approach in my opinion. Such queries are called correlated sub-queries and one can always re-write them using EXISTS: SELECT … Read more
For all JPA query objects (except for native SQL queries), you would use pagination through the setMaxResults(int) and setFirstResult(int) methods. For instance: return em.createNamedQuery(“yourqueryname”, YourEntity.class) .setMaxResults(noOfRecords) .setFirstResult(pageIndex * noOfRecords) .getResultList(); JPA will perform the pagination for you. Named queries are just predefined and can be cached, while other types are dynamically created. So the choice … Read more