discriminator Questions

1

I want to populate the fields of a subdocument, which is a discriminated element of a common Schema (Notificationable discriminated into Message or FriendRequest). This question is quite similar ...
Parsnip asked 8/11, 2017 at 10:33

1

I have the following goal, which I have been trying to achieve with the Huggingface Library but I encountered some roadblocks. The Problem: I want to generate sentences in a differentiable way at t...

6

Solved

I was used discriminator column in where clause like this: //f = root entity $qb = $this->createQueryBuilder('f'); $qb->add('where', 'f.format = \'image\' OR f.format = \'text\''); I've go...
Eventual asked 13/5, 2011 at 7:27

3

I want that when retrieving the base class I should get all rows in the table disregarding the discriminator. I only want to use the discriminator when retrieving one of the derived classes. How ca...
Martelle asked 29/1, 2020 at 22:56

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TLDR: Is this type possible somehow in TS? Exclude<number, 200 | 400> ("any number except 200 or 400") I have the following use case. I have a response type, which is generic: type ...
Cellini asked 16/6, 2021 at 19:6

3

I have DisseminationArea as subcalss for Feature with the following code: @Entity @Table(name = "features") @Inheritance(strategy = InheritanceType.JOINED) @DiscriminatorColumn(name = "subtype_id"...
Ryun asked 23/4, 2017 at 11:59

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By default, EF6 would map a base abstract class and it's derived classes for Table Per Hierarchy (TPH). EF Core no longer follows this logic and requires derived classes to be opted in. The documen...

3

Situation I have an Entity with a DiscriminatorColumn, configured for single table inheritance: @Entity @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="TYPE&quot...
Qualification asked 15/6, 2012 at 11:17

3

I need some help when select only discriminator column from doctrine 2 when run the DQL below SELECT p.type FROM AppBundle\Entity\Product p type is discriminator column in entity AppBundle\Entit...
Damick asked 27/10, 2015 at 4:55

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I have a strange issue where hibernate does not create the expected entity type in a many to one relataionship. We have the following entities with subclass hierarchy (simplified): @Entity @Table(...
Telefilm asked 28/9, 2015 at 18:32

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Given a situation where you have a User Scheme that you use to create a base model called User. And then for user roles, you use mongoose discriminators to create inherited models called Admin, Emp...
Aspic asked 31/12, 2017 at 18:35

1

I want to implement DISCRIMINATOR based Multi-Tenancy solution for Shared Schema Based Multi-Tenancy Model-common database schema for all tenants. Technology stack Hibernate 3 Global filter (I ...
Translative asked 5/3, 2014 at 14:3

2

I have created the following abstract class, which use single table inheritance and maps subclasses on the DiscriminatorColumn model. /** * @Entity * @Table(name="entity") * @InheritanceType("S...
Wong asked 16/9, 2015 at 8:20

5

I have a single MongoDB collection holding documents of three different classes (A,B,C) which all inherit from a common class D. Using the official C# driver, I have inserted documents of all thre...
Siouan asked 22/7, 2012 at 0:58

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I have this entity relationship. public abstract class UserGroup { public virtual int UserGroupId { get; set; } public virtual int GroupType { get; set; } public virtual string GroupName { get;...

0

Consider my classes below Product (Abstract Root class) @Entity @Table(name="PRODUCT") @Inheritance(strategy=InheritanceType.JOINED) @DiscriminatorColumn(name="PRODUCT_TYPE") public abstract cla...

1

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I have a Client and Affiliate class, inheriting from Person class. Joined inheritance strategy type is being used - each of them sharing primary key with the parent class. As there's no discriminat...
Leftist asked 14/3, 2014 at 19:12

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I have a simple JOINED hierarchy of documents: CREATE TABLE Documents ( id INTEGER NOT NULL, discriminator ENUM('official','individual','external') NOT NULL, file_name VARCHAR(200) NOT NULL, P...
Carlotacarlotta asked 2/11, 2011 at 23:48

1

I have 4 classes A, B, B1, B2 with inheritance mapping described as below: A (mapped to table A) is the top-most parent class and its inheritance mapping strategy is tablePerHierarchy=false (means ...
Directorate asked 11/8, 2011 at 9:52

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Here's my heirarchy: class abstract Entity { /*members*/ } // mapped to entity table class abstract User : Entity { /*members*/ } // mapped to user table class Employee : User { /*no members*/ }...
Excrescent asked 24/1, 2011 at 17:38
1

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