eager-loading Questions
0
I have tried to disable Lazy loading those two ways:
1)
public SqlDbContext(DbContextOptions<SqlDbContext> options) : base(options)
{
this.ChangeTracker.LazyLoadingEnabled = false;
}
2)
...
Scabby asked 28/3, 2020 at 22:39
2
Solved
I currently found out that you can hydrate an Raw sql query.
I have following query:
DB::table(DB::raw('(SELECT *, Y(location) AS longitude, X(location) AS latitude FROM meetings WHERE MBRCONTAI...
Jambalaya asked 27/6, 2017 at 15:39
3
Solved
I have the following doubt. I would like to know why when using JPA and Hibernate, when performing an Eager loading in a ManyToOne or OneToMany relationship, it calls the DB in order to obtain the ...
Eveevection asked 20/2, 2020 at 13:38
2
Solved
I'm currently working on laravel framework and I'm stuck with some relations and eager loading issues.
Situation
I have three models A, B and C
I have two relations
A has many B
B has many C
By d...
Disseisin asked 12/2, 2020 at 19:27
2
Solved
I've got a case where most of the time the relationships between objects was such that pre-configuring an eager (joined) load on the relationship made sense. However now I've got a situation where ...
Overcurious asked 5/1, 2011 at 3:52
4
Solved
As we all know that it is recommended to use annotations from javax.enterprise.context instead of javax.faces.bean as they are getting deprecated.
And we all found ManagedBeans with eager="true" a...
Promiscuity asked 16/7, 2016 at 14:46
2
Solved
I have a controller function like this
public function show(NovelRequest $request, Novel $novel)
{
// load the chapters
$novel->chapters;
// return the detail view of a novel
return view(...
Cheryl asked 3/11, 2016 at 15:57
3
Solved
In my project I have many Eloquent models that have eager relations configured in class like this:
protected $with = [ 'countries', 'roles' ];
But sometimes I need just old plain model without a...
Nolte asked 2/12, 2015 at 20:8
2
Solved
I have this relationship
A Movement can have multiples steps
A Step can belongs to multiples Movements
So a had to create a pivot table and a belongsToMany relationship, but my pivot table have...
Filmer asked 11/12, 2019 at 11:57
3
Solved
I am using this query to get my data
user = User.includes(:skills).order(user: :id)
it is working fine. but when i try to display skills by alphabetical order like below
user.skills.order(name:...
Peltier asked 25/9, 2017 at 23:54
4
Solved
I'm using Devise for authentication in my Rails app. I'd like to eager load some of a users associated models in some of my controllers. Something like this:
class TeamsController < Application...
Pestana asked 1/8, 2011 at 18:11
4
Solved
I am having trouble with the Dagger 2 dependency injection framework. I would like to create an EagerSingleton. I assume that dagger 2 creates lazy loaded singletons when I use the @Singleton annot...
Mignonne asked 28/6, 2015 at 14:41
1
Solved
I see a lot of posts where Eager fetch performs left join of child table parent table in hibernate. But when I use springboot , hibernate fires seperate sql queries - means one select query for par...
Liverwurst asked 22/5, 2019 at 3:23
4
Solved
I have a problem with my rails application. After an Update from Rails 3 to 4.
When I surf through the pages after starting the server in development mode everything is fine.
But after a single c...
Adultery asked 23/9, 2015 at 7:3
2
How can you write the model that it eager loads the parents and children of a certain role recursively. So not only the child of the role you are fetching now but also it's children.
Do you risk e...
Gunn asked 10/1, 2019 at 16:4
3
Solved
I'm trying to apply the advice in this post: Tip 22 - How to make Include really Include
It suggests a workaround for ensure eager loading works in the Entity Framework (4.2). That workaround invo...
Babylon asked 16/12, 2011 at 14:53
3
Solved
Imagine three entities (Customer, Book, Author) related like this:
A Customer has many Books
A Book has one Author
I use that data to print a report like this:
Customer: Peter
Book: To Kill a ...
Foran asked 6/5, 2011 at 0:50
3
Using Symfony 2.8.
I have Community and MenuItem entities, where a Community has a set of MenuItems.
Community.php has the following code:
...
/**
* @ORM\OneToMany(targetEntity="MenuItem&quo...
Emit asked 14/4, 2016 at 10:38
3
Solved
<?php
class Cat extends Eloquent {
public function user() {
return $this->belongsTo('User');
}
}
class User extends Eloquent {
public function cats() {
return $this->hasMany('Cat'...
Maturity asked 28/5, 2014 at 19:45
3
I have a working function, however, I'd like to limit the number of treatments, per consultant, that are returned.
Working Example:
Clinic::where('user_id', Auth::id())
->with('consulta...
Coaction asked 15/1, 2017 at 18:21
6
Solved
I have two tables, say "users" and "users_actions", where "users_actions" has an hasMany relation with users:
users
id | name | surname | email...
actions
id | id_action | id_user | log | crea...
Wilks asked 9/11, 2015 at 10:27
2
Solved
UPDATE (SOLUTION)
If you need ->user relationship from one of the $image inside $user->images, then $user variable is already available cause you loaded the ->images from it!
Don't use p...
Peso asked 25/1, 2016 at 14:38
3
I've manay-to-many relationship between two entities: Categories <--> Items
public class CategoryMaster
{
[Key]
public int Id { get; set; }
public string Name { get; set; }
public virtual ...
Sweetsop asked 25/12, 2016 at 10:46
7
Solved
Does anyone know a way to determine if a Rails association has been eager loaded?
My situation: I have a result set where sometimes one of the associations is eager loaded, and sometimes it isn't...
Sectional asked 3/9, 2009 at 22:3
4
Solved
Suppose we have original generated query like that:
SELECT company.x AS company_x, ...
FROM company
LEFT OUTER JOIN acc ON acc.id = company.acc
LEFT OUTER JOIN usercomp_links ON company.id = userc...
Annulation asked 2/11, 2014 at 20:33
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