Spring Data R2DBC is a module of Spring Data based on R2DBC R2DBC stands for Reactive Relational Database Connectivity.
See https://spring.io/projects/spring-data-r2dbc for more information.
Questions tagged [spring-data-r2dbc]
412 questions
1
vote
1 answer
How to setup SpEL contextProvider for @Query
How can I setup the context provider to make my SpEL extension available in a @Query("...")?
We use r2dbc with postgres.
From what I understand I would need to register my extension with a ReactiveExtensionAwareQueryMethodEvaluationContextProvider…
Stuck
- 11,225
- 11
- 59
- 104
1
vote
1 answer
My simple project BiFunction problem Java
Hi everyone How can I use more than 3 arguments in a Bifunction? So I will use both a label and a project
public Flux findAll() {
Flux taskFlux = tasksRepository.findAll();
Flux dueFlux =…
user15460636
1
vote
1 answer
Java multiple data Jdbc and R2dbc problem
I wrote a project and I used r2dbc and jdbc there. Now there is a problem with the database. How can I separate them? The information comes but gives an error
Operator called default onErrorDropped
Application.yml
spring:
liquibase:
…
JOKERS
- 13
- 4
1
vote
1 answer
How to mock method in Mono.flatMap()?
I write unit tests for some service and I don't understand , why some method that i mock don't call. I try to test testDeleteDeviceWhenDeviceNotFound() method and it's pass, but when I try testDeleteDeviceSuccess() I have…
useless9276
- 29
- 1
- 8
1
vote
2 answers
Spring data reactive repository - r2dbc not working
The query is getting executed but not getting any result.
router :- api/v1/service/appt/usr/{usr_id}
private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
public Mono…
user1578872
- 7,808
- 29
- 108
- 206
1
vote
1 answer
Extending ReactiveQueryByExampleExecutor throws PropertyReferenceException
I'm having an issue with trying to implement ReactiveQueryByExampleExecutor into my repository in my application
Stack trace:
Caused by: java.lang.IllegalArgumentException: Failed to create query for method public abstract…
David Keating
- 13
- 3
1
vote
0 answers
spring data R2DBC change @Table dynamiclly or another strategy
I have a problem about spring data R2DBC with sql server, I've used @Table annotation and a value of this is e.g. @Table("myschema.mytable") and this works well.
The problem is, when we move to another environment like prod, the database has another…
chavalife17
- 162
- 1
- 2
- 10
1
vote
2 answers
postgres r2dbc gives ssl error but connects using jpa
r2dbc config:
spring:
profiles: default r2dbc:
url: r2dbc:postgresql://testserver.dev.net:1234/test?ssl=true&sslmode=require
username: test
password: test
connection_timeout: 20000
jpa config:
spring:
profiles: default
datasource:
…
MagicBeans
- 343
- 1
- 5
- 18
1
vote
2 answers
Using reactive(r2dbc) batch with transaction
I am trying to use create a batch using reactive r2dbc and use transactional to annotate the method.
But it looks like that if I use both @Transactional and batch code the code just hangs and doesn't work.
Below is the…
Monish Das
- 383
- 2
- 12
- 28
1
vote
1 answer
Losing event when reactor is switching scheduler
Context: Loading and streaming Excel file as Flux. Processing Flux records and inserting them into database using R2DBC.
implementation("org.apache.poi:poi:4.1.2") - apache lib which has excel domain of…
Aubergine
- 5,862
- 19
- 66
- 110
1
vote
0 answers
Reactive and Non Reactive repository in a Spring Boot application with H2 database
In addition to a non-reactive JPA repository, I introduced a reactive repository in my Spring Boot app with H2 database.
com.app.respository.BusinessRepository extends JpaRepository
com.app.respository.r2dbc.PendingBusinessRepository extends…
user2918640
- 473
- 1
- 7
- 25
1
vote
2 answers
How to prevent Null pointer exception when query result is null in case of Spring Data CRUD repository using Spring WebFlux
I am using Spring WebFlux to build a sample WebApplication. I am interacting with the postgres database using spring data's non blocking reactive library r2dbc. I am able to fetch the data and return to the user when the query is returning some…
user3553913
- 373
- 3
- 17
1
vote
1 answer
Multiple conditional inserts of a new entity gives duplicate entry error in R2DBC
Let's consider this function
@Transactional
fun conditionalInsertEntity(dbEntity: DBEntity): Mono {
return fetchObjectByPublicId(dbEntity.publicId)
.switchIfEmpty {
r2DatabaseClient.insert()
…
Akash Gupta
- 23
- 4
1
vote
1 answer
How to return generated ID with Fluent Data Access API in Spring Data R2DBC
My database automatically generate IDs when new records are inserted, and I want to use the generated ID in my code once the insertion completed. When using Statement, it can be achieved by the following approach.
db.execute("INSERT INTO table…
choasia
- 10,404
- 6
- 40
- 61
1
vote
1 answer
Compare two arrays using QueryDSL
Need assistance with QueryDSL predicate composition - how to write QueryDSL predicate to compare two arrays(find any UUID matches between two arrays) using && operator like this:
select '{e48f54d5-9845-4987-a53d-e0ecfe3dbb43}'::uuid[] &&…
Viktor M.
- 4,393
- 9
- 40
- 71