Questions tagged [android-room-embedded]
7 questions
1
vote
1 answer
How to handle data model with long text column + associated embeded metadata in an Android Room database
I'm new to Android, and rather new to SQL in general.
I have a data model where I have a Text that consists of TextMetadata as well as a long string, which is the text content itself. So
Text {
metadata: {
author: string,
title: string
…

Nathan
- 73,987
- 14
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- 69
1
vote
0 answers
Android Room: Query returns null in Embedded field
Hi I am using Room DB and inserting a primary key and two embedded fields in a table. While trying to get the data from that table. That embedded fields returning null.
Table be like:
@NonNull
@PrimaryKey
@ColumnInfo(name = "ID",…

Malhotra
- 221
- 3
- 13
1
vote
1 answer
Android Room Embedded Field Not Compiling
I am trying to create an embedded field. This is a simple example but I can't get this simple example to work. Eventually I need to have 3 levels of embedded items but trying to get this test case to work.
@Entity(tableName =…

JPM
- 9,077
- 13
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0
votes
1 answer
use orderBy to get embedded relation-defined table from Android Room
For this transaction Query in Android Room :
@Transaction
@Query("SELECT * FROM TPAGroup WHERE zuid=:zuid ORDER BY `index`")
fun getGroupWithSecretsForZuid(zuid: String): List
and this as my data class :
data class…

Divesh
- 112
- 1
- 6
0
votes
1 answer
Android Room embedded relationship query results
I am currently trying to get results from a query of nested relationships in Room. Here Are my classes/database entities involved:
@Entity
data class PrayerRequestEntity(
var title: String,
var details: String,
var category: String,
…

Martin
- 166
- 1
- 15
0
votes
2 answers
Deconflict column names in "join" entity
I have 2 entities:
@Entity(tableName = "author")
data class Author(
@PrimaryKey
@ColumnInfo(name = "id")
val id: String,
@ColumnInfo(name = "name")
val name: String
)
data class Book(
@ColumnInfo(name = "id")
val id: String,
…

lostintranslation
- 23,756
- 50
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0
votes
1 answer
Room database with one-to-one relation like Address, City and State
I looked in the android documentation for an answer to my question, but I couldn't find it. To create a recyclerview using the information contained in these classes, how can I get a list of this information in Room
@Entity(
foreignKeys = [
…

Rodrigo
- 61
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- 6