Spring-data-jpa Questions

A java ee project using spring framework (spring-boot).

I need to write a "reverse" like condition with jpa predicate over oracle dbms. the example query i need to build is:

On succesfull authentication i'd like to make a call to db to retrieve some additional info but i get:

I'm trying to create a webservice but when i try to get records from database(mariadb), the response is being shown as {} and does not show the

Let me start by saying i'm fairly new to spring boot so apologies if i'm making a silly mistake somewhere. i am trying to retrieve the value of my

I try to configure sort column using the rout.ts file of my entity. in the "data" tag i put defaultsort:

We have a batch job that needs to update millions of rows (not all rows) of a table with a particular value. we have the following

I'm developing a service and currently working on 2 of its entities (section and gradelevel) while i'm still developing,

I am working on a spring boot project using spring data jpa and i am wondering if exist a nice and elegant solution to the following use case.

I am working on a spring boot application using spring data jpa and i have the following problem. i have this eventlog

I want to get data from my entity with 1-m relationships. users have an entity for cv information.with jparepo, cv class : @entity

I need to delete an entity using its id, tried using jpa repository delete by id method productrepository.deletebyid(id);

I have an entity that has many fields mapped to columns in my database using the @entity and @column annotations. columns might include something

Deep diving into spring jpa and i have troubles to understand whats going on here. this is the code: entity

Analogous to the built-in method existsbyid i'd like to hava an existsallbyid method with spring data jpa. to achieve

When i try to fetch the child entity, it also gets the parent entity because of one to many bidirectional mapping but the parent entity inside the

I have two entities that looks like this (simplified for reading purposes). @entity public class machine { @primarykey

I have troubles on grouping my query by date. i need to consolidate some data in daily manner in querydsl 4.1.4. there is almost none

I am trying to use h2 database to test my quartz application which is running using spring boot. my application.properties looks like this :

I have added below query dsl plugin in eclipse to generate qdsl classes. while using dsl classes in my repository its giving complication

Hy all, i would like to know what is wrong with my custum query using spring data jpa. if i use

I have the simplest of spring configuration cases so i don't know why i don't find how this is done. i have an interface

I use spring-data-jpa with spring-boot(v2.0.0.release), i just wrote a crud demo on mysql, but an exception occurs

I have the following domain object: public class quizz { private long id; private date when; private long userid; }

E.g., will the below code run properly? or do i have to define a separate entity listener for each and every entity class? @entity

I am writing an update method in spring service and it says the getone() is deprecated, i have reviewed alternatives and the

I am trying to build an expense tracker application using spring boot rest api. the following are the entity classes i have created. user

I want to create jpa repository for spring authorization server using this code:

I have 2 entities, one for a tasklist and the other for users. the users can create tasks for themselves or their friends, so in the tasks entity

I'm failing at documenting my spring data rest api with openapi. nothing show in swagger-ui's homepage (and /v3/api-docs obviously). here

I am using spring data to manage a rest api. all tables in my postgresql database has a primary key of type uuid. i am able to persist this data

First, here are my entities. player : @entity

I'm experimenting with mapstruct and follow this tutorial:

I tried but i couldn't find a better title so it looks weird but the question is actually very simple... i have a jpa query which uses a

I'm trying to post a text from home.html template <form th:action="@{/process_addtext}"

I'm trying to use jpa pagination with custom query. pagination is working if match with 2 cases. case 1 : if data

I know that i can create an index for both a single column and a composite one. a also i can make an

I have an entity with some nested entities like this public class myentity { @manytoone

I have these postgres tables: create table deals_new ( id bigserial primary key, slip_id text,

Here is my product class @entity public class product { @manytoone(fetch=fetchtype.eager)

I am working on a spring boot application. into a service class i have this service method: @override public user

This is the json-response of a get-reqeust: { ... "_links": { "self": { "href":

I have created a basic spring boot application from spring initializr with the web, mongodb and jpa dependencies. when i

I am working on a spring boot project using spring data jpa and hibernate mapping. in my repository classes i am using a query by method

My question is when an null ability occur in one to one relation even my child class primary key same like parent class primary key so when

I am building a spring-boot application where i am using spring data jpa feature. please find below my dao layer code

I joined two tables and get different columns from both tables to load them into datatable. i want to order the columns by using datatable but how

I am trying to do something similar like below. @entity @table(name="sample") public record sample(integer id, string

I am working on a spring boot project using spring data jpa and hibernate mapping. i have the following doubt about how can i implement the

I'm learning springboot2.0 with java8. and i followed some blog-making tutorial example. the tutorial

I've been trying to get total rows count and to do so, i've used jpa criteria api but it throws an error at long count =

I am relatively new to spring and spring boot but i can't seem to find a guide on how to create an app using spring boot, flyway, and spring boot

I have a java spring app. it does back end stuff, offering a restful api, all using an oracle database. for most resources, it follows a

I've got a simple repository that looks like this public interface playerlevelrepository extends crudrepository<playerlevel,

I just migrate to spring jpa technology and manage to change my simple jersey-hibernate project to spring jpa with custom crudrepository. but i

I am trying to create an api with crud operations. for this created a user bean and a userrepository which extends crudrepository. i

I am using hindi characters in where clause in jpa query .when i print the queries in connsole using show jpa the chars are being replaced by

I save phone number in database using spring data jpa , in model i define this private string directphone; while

My code has been working fine with just a single repository package, until i began adding more repository & entity packages in my data source

I am developing an application with spring boot and spring-data-jpa, where i have a method which does two things: it saves into a

I have repository interface which extends crudrepository: public interface examplerepository extends

I am working on a spring boot project and i am not so into hibernate/jpa and i have the following doubt about how can i use it to perform the

I have a very big code. i faced an issue where at very starting of code, null gets inserted inside arraylist custlist i.e custlist

I have an entity @entity public class promoamtrange implements serializable { @id @generatedvalue(strategy

I have an springboot app with this query @transactional @modifying @query("update hoteldailyprice cdp set cdp.price =

I's just want to test the transactional annotation support by spring with spring data jpa，and spring boot. here's my controller

I have one @table domain and want to create multiple tables using that. how can i do it with jparepository. @table

The query select * from books where (isbn || ' ' || author || ' ' || name) ilike '%el%' returns

Suppose i've one-to-many relationship:

The crudrepository bean @repository public interface userdao extends crudrepository<user, long> {

i wanted to know if it is possible to use the spring data jpa without the rest of the spring framework? i used spring data jpa in a spring

I implement pagination like this: list<products> products =

I have these two classes : public class classa extends [...] implements [...] { @manytomany(fetch = fetchtype.lazy, cascade =

I know in order to have extra column on many-to-many relationship, i need to create a new table and a new class for that. the problem is i cannot