All Questions
2,290
questions
0
votes
0
answers
26
views
UPSERT native SQL query for Collection as @Param of JPA Repository method
I need to iterate over collection of Enteties and apply UPSERT for each element atomically. As i see it - just need to send this collection into SQL query by SpEL.
I know, what i can iterate over ...
0
votes
1
answer
24
views
Entity Inheritance and query filtering
I'm trying to achieve a very basic from SQL point of view operation but using Spring Boot and JPA
This is my Java data model:
@MappedSuperclass
public abstract class BaseEntity {
@Id
@...
- 55
0
votes
1
answer
60
views
JPA entity ID field with a SQL Server 2022 Sequence
I am trying to connect my Spring Boot service to a SQL Server 2022 database, but I am having issues with a sequence:
public class SomeEntity {
@Id
@SequenceGenerator(name = "some_seq"...
- 55
0
votes
1
answer
31
views
space is not allowed after parameter prefix ':' in SpEL support in Spring Data JPA @Query definitions
I need to update the values into update native query from EmployeeDTO class and I have used following implemetation. But I got this error in console, even though the syntax is correct for query:
...
1
vote
0
answers
28
views
Wrong "order by" generated with JPA native query
I have very complicated SQL written as native SQL. It's not possible to rewrite to JPL. It's a rewrite of some complicated logic implemented in Java code, but the filtering and paging is totaly ...
- 723
0
votes
1
answer
79
views
Improve execution time of a query that populates data
Good morning everyone, how are you?
I need help related to a process whose popular purpose is data from one table to another, at the moment I'm using spring boot with native query, but it's taking ...
- 85
0
votes
1
answer
53
views
Why JPA is adding fields of subclass when dealing with superclass? How to prevent that?
I want to use a SQL function to get length of a saved blob.
I use jpa, an enity and a repository for that.
My implementation looks more or less like this:
public interface UploadRepository extends ...
0
votes
3
answers
87
views
comma separated column value to query using like statement with java list as a parameter in jparepository
I am developing job portal similar and I had postgresql table job_seeker with column name skill holds the job seeker skills as comma separated values
table name - job_seeker
columns - id name ...
- 1,663
0
votes
0
answers
33
views
JPA Query with NOT LIKE doesn't work to filter ips
I am working with a JPQL query to filter some gateways ips ending with 1 (the column in the database is of type INET but on the entity is of type String):
...AND concat(c.ip,'') not LIKE '%.1'
THe ...
- 1
0
votes
1
answer
23
views
Use JPQL or SQL to SELECT items _not_ in the database from a supplied set in the query parameters
I have an interesting problem, I need to figure out which files I have not processed.
I have an object called ReturnFile(return_files) that stores the ones I've processed. I'd like to issue a query ...
- 8,395
-1
votes
1
answer
180
views
JPA Native Query with Timestamp with LocalDateTime.now() to write (update) and then select the same records that were just modified
I am using Timestamp with now = LocalDateTime.now() with Native Query and update and later I am using the same now variable to select from database. MS SQL. I am using this Java Spring Boot. In a ...
- 167
-1
votes
2
answers
42
views
filter on union entities with JPA specification
Considering this java JPA model:
@Entity
@Table(name = "PARENT")
@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
public abstract class ParentEntity { }
@Entity
@Table(...
- 1,122
0
votes
1
answer
72
views
String formatting with object parameters in intellij
I am creating a standard function that uses jpa's createQuery function, as it will be a generic class, I can format the sql elsewhere, but when using the same pattern and definition of parameters only ...
0
votes
0
answers
59
views
Advanced database queries from frontend to Spring Boot backend
I'm developing an internal tool with a Vue.js frontend and a Java Spring Boot 3 backend. One of the key features I want to include is an advanced database search that allows users to retrieve database ...
0
votes
0
answers
46
views
How to inject a List<String> parameter as a text array into a non-IN native query in Spring Data JPA?
There is something I really don't understand about JPA @Query params injection: I would expect any List<String> to
become a {...,...}::TEXT (or ::VARCHAR) in SQL since it's the obvious way to ...
- 6,810