Questions tagged [greenrobot-objectbox]
9 questions
1
vote
0 answers
Objectbox doesn't store nullable value in one to many relation
I have this one to many relation which looks like this.
@Entity()
class Product {
@Id()
int id;
String name;
String category;
int categoryId;
WeightType weightType;
double? price;
double weight;
bool isRefunded;
Product({
…

Pokaboom
- 1,110
- 9
- 28
1
vote
1 answer
how to add same object in objectbox's box multiple times?
I have ToMany relation which looks like this,
@Entity()
class Pdf {
@Id()
int id;
Uint8List pdfData;
final String customerName;
@Property(type: PropertyType.date)
final DateTime dateTime;
@Backlink()
var products =…

Pokaboom
- 1,110
- 9
- 28
1
vote
0 answers
Dart ObjectBox nested query not working as expected
I have the ObjectBox database and it is working pretty well. But nested queries not working as expected
List _channels({required String lang}) {
final queryBuilder = _channelBox().query();
queryBuilder.linkMany(
…

Muhammad Al-kady
- 11
- 2
0
votes
0 answers
Another boxStore is open for this directory [ObjectBox problem]
public static BoxStore getBoxStore() {
synchronized (TayqaSale.class) {
if (sBoxStore == null || sBoxStore.isClosed()) {
int flags = 0;
sBoxStore = MyObjectBox.builder().maxSizeInKByte(3000000).maxReaders(10000)
…
0
votes
0 answers
Database upgrade on objectbox and drop old table
What i want to achieve is following things.
At some point i want do some updates on my data and database.
What i want to do is to drop a table and repopulate it again, in order to keep the id-s same for some of the items
Today i populate a table…
0
votes
1 answer
Objectbox: ObjectBoxException 10101 remove failed
I am getting the above error while removing multiple box data in transaction. I need to know what is the reason for that and what can be done to avoid this. Thanks very much for the help.
Stack trace is mentioned below.
Non-fatal Exception:…

raphire
- 198
- 9
0
votes
0 answers
Pragma table info for ObjectBox
I am using ObjectBox for the flutter project. I want to get the pragma table info for the my Product Entity. Anyone know how to get the pragma for particular Entity?
Like in sqlite pragma table_info('albums');
cid name type notnull …

Harin Kaklotar
- 305
- 7
- 22
0
votes
0 answers
Is ObjectBox Sync Suit for Membership apps?
I am new to ObjectBox
Let say we have membership apps for customer app which allow customer to order items
every user using his own phone to order, so in my opinion i don't think it is good to "sync" for "customer 1" to "customer 2" phone, which is…

Jacob Handaya
- 189
- 1
- 9
0
votes
3 answers
ObjectBox does not keep previous values after type migration
We had to migrate one of the field-params in an entity from long to BigDecimal. Migration is quite smooth but there is a problem; we want to keep previous values to be set to the migrated field. But as soon as ObjectBox is initialized it defaults…

Farid
- 2,317
- 1
- 20
- 34