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Questions - spring-data-r2dbc

dynamically choose columns in select with R2DB2

I have been trying to pass the columns I want to select in but out of the box it appears it is not possible. I have tried things like @Query("SELECT :columns FROM USERS u WHERE u.LOCALE = :locale...
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Mike3355

spring-data-r2dbc

r2dbc

Votes: 0

Answers: 2

Latest Answer

You cannot replace a bind parameter (:columns) by syntactic elements like this, other than actual bind values. For this type of dynamic SQL, you'll have to resort to some sort of query building mechan...
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Lukas Eder

R2DBC and Spring Data integration issues

I have spring boot project (version 2.4.6) with spring data dependency (spring-boot-starter-data-jpa) and postgreSQL driver. In project we are using Hibernate and data repositories, which configured v...
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SlandShow

spring

spring-boot

spring-data

spring-data-r2dbc

Votes: 0

Answers: 1

Latest Answer

Since you did not post the code of ObjectRepository it’s hard to say what is wrong. However, I do not recommend to use JPA and R2DBC in same project for the same database..it’s a hassle and furthermor...
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nicholasnet

Enable R2DBC configuration only on demand

I'm working on a library that is consumed by some other project. The library offers database access through JDBC and I'd like to add support for R2DBC too in the same library. The consuming project s...
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Liviu

java

spring

spring-boot

spring-data-r2dbc

r2dbc

Votes: 0

Answers: 1

Latest Answer

My first attempt was to create a configuration class in the library: @Configuration(proxyBeanMethods = false) @ConditionalOnProperty(name = "r2dbc.enabled", havingValue = "false", ...
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Liviu

How to zip nested lists with reactor and R2dbc

I have 3 tables in a postgres data base and am using R2dbc to query and connect them in a relational manner. I have 3 entity classes (possibly shouldn't be data classes, but shouldn't effect the examp...
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AlexJ

kotlin

project-reactor

spring-data-r2dbc

r2dbc

r2dbc-postgresql

Votes: 0

Answers: 1

Latest Answer

I really liked the challenge of hierarchial data fetch using reactor. I don't know Kotlin but i have tried to reproduce the problem using java. I couldn't create a PostgreSQL table with the parent -&g...
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Harry

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