A collection of foreign keys associated with an entity used in Object Relational Mapping systems.
Questions tagged [foreign-collection]
66 questions
179
votes
2 answers
PostgreSQL array of elements that each are a foreign key
I am attempting to create a DB for my app and one thing I'd like to find the best way of doing is creating a one-to-many relationship between my Users and Items tables.
I know I can make a third table, ReviewedItems, and have the columns be a User…

Zach
- 4,555
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29
votes
3 answers
Convert ForeignCollection to ArrayList - ORMLite, Gson and Android
I apologize if I'm not super clear with my explanation but I'll add to and edit this question for clarity if requested.
I am developing an Android app which receives data through an external API and stores data locally using ORMLite. Prior to…

wuliwong
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19
votes
2 answers
Deleting using ormlite on android?
I have a Client bean ,
@DatabaseField(columnName = "client_id",generatedId = true,useGetSet = true)
private Integer clientId;
@DatabaseField(columnName = "client_nom",useGetSet = true)
private String clientNom;
@DatabaseField(columnName =…

Majid
- 199
- 1
- 1
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12
votes
2 answers
Create table with Foreign Collection Field
I have this abstract class:
DomainItem
abstract public class DomainItem {
@DatabaseField(generatedId = true)
protected long id;
@ForeignCollectionField(eager = false)
protected ForeignCollection contentItens;
…

Munir
- 739
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8
votes
1 answer
Collections in ORMLite
Hello
I want persist some collections data with ORMlite in my android app. For example :
class Person {
@DatabaseField(generatedId=true)
private int id;
@DatabaseField
private String name;
@DatabaseField
private String surname;
…

Bandzio
- 617
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8
votes
2 answers
eloquent filter result based on foreign table attribute
I'm using laravel and eloquent.
Actually I have problems filtering results from a table based on conditions on another table's attributes.
I have 3 tables:
venue
city
here are the relationships:
a city has many locations and a location…

Mehrdad Shokri
- 1,974
- 2
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7
votes
0 answers
Parsing with jackson and inserting same object to sqlite using ormlite android
I am parsing json data using Jackson from api call and trying to insert the data in sqlite using ormlite. For this i am using same model class.
Here is my model classes
public class Site {
@DatabaseField(generatedId=true,columnName="ID")
private…

rawcoder064
- 1,374
- 3
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6
votes
1 answer
ORMLite many to many relation Android
I have two classes :
UniteStratigraphique.java :
@DatabaseTable(tableName = "unitestratigraphique")
public class UniteStratigraphique {
public final static String ID_FIELD_NAME = "id";
@DatabaseField(generatedId = true,…

eento
- 761
- 4
- 20
- 53
5
votes
2 answers
Problems with ORMLite and lazy collections
I am using ormlite in my android project. I have two classes
@DatabaseTable(tableName = "usershows")
public class UserShow {
@DatabaseField(id = true)
private Integer showId;
@ForeignCollectionField(eager = false)
private…

Georgy Gobozov
- 13,633
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4
votes
1 answer
ORMLite initialize foreign collection
I have foreign collection field on my Object.
If I create Object > save it > query for it : then I have it and can use it.
But if I create Object and try to access foreign collection field right away then it's null.
How can I initialize it?

somerandomusername
- 1,993
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4
votes
1 answer
Using a ForeignCollection
My entity contains the following private ForeignCollection attribute:
@ForeignCollectionField
private ForeignCollection orderCollection;
private List orderList;
What is the best way or usual way to avoid a having a caller use a…

MayoMan
- 4,757
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4
votes
1 answer
Adding, removing objects from a ForeignCollection
I have an entity that contains a ForeignCollection with a getter & setter for the Collection
public class TextQuestion{
@ForeignCollectionField
private ForeignCollection answers;
....
I have a Servicer wrapper class that…

MayoMan
- 4,757
- 10
- 53
- 85
4
votes
1 answer
Using ForeignCollections in SQLite
I want to write a unit test that basically verifies an object I add to a foreign collection actually gets saved and retrieved correctly when the DAO saves retrieves the object
Here is my Entity.
@DatabaseTable
public class Question implements…

MayoMan
- 4,757
- 10
- 53
- 85
3
votes
1 answer
ORMLite ForeignCollection: Must use ClosableIterator?
quick question about using ORMLite. I am trying to make sure that my implementation is correct. There's a part of the documentation that talks about closableIterators and how accessing this loads the LazyForeignCollection class and it needs to be…

dineth
- 9,822
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3
votes
1 answer
Could not build lazy iterator for class of foreign collection member
I have a simple master-detail, when I query for de master and inspect for the foreign member collection, throw an exception java.lang.IllegalStateException: Could not build lazy iterator for class com.example.entity.detail
List masters =…

Zach dev
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