spring-data

问题 I have a spring mvc project with spring data, jpa and hibernate. I have a multilanguage database. I designed my database and entity. I am looking for a best practice to query my tables by language. Do I have to write custom jpa query, or is there a generic way to query my tables. If I have a mistake on db or entity design, please warn me. Database: CREATE TABLE translation ( id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, PRIMARY KEY (id)); CREATE TABLE translation_text ( translation_id BIGINT

问题 I am trying to invoke a Stored Procedure whose signature looks like the following: CREATE OR REPLACE PROCEDURE FIND_FIRST_BOOKMARK_GT(bookmark IN NUMBER, cur OUT SYS_REFCURSOR) I am using Spring-Data JPA and have tried a number of different variants, but all of them follow more or less the following pattern. My entity model is decorated as follows: @NamedStoredProcedureQuery(name = "Response.findFirstBookmarkGreaterThan", procedureName = "FIND_FIRST_BOOKMARK_GT", resultClasses = Response

问题 How can I log the changes of the entity into log files? Consider I have Person like this. import org.hibernate.envers.Audited; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.GeneratedValue; import javax.persistence.Column; @Entity @Audited public class Person { @Id @GeneratedValue private int id; private String name; private String surname; // add getters, setters, constructors, equals and hashCode here } and a code of changing existing Person Person p1

问题 I have two entities with relation one to many. Parent can have several Child entity instances. I added a field to the parent that stores the date of children modifications( childrenLastModifiedDate ). To maintain that, I added method: @PrePersist @PreUpdate @PreRemove private void handle() { parent.setChildrenLastModifiedDate(now()); } Here is the problem. It's not always invoke when the child is saved. Locally(mac os), it works as expected, all three types of changes are tracked and saved to

问题 I have two entities with relation one to many. Parent can have several Child entity instances. I added a field to the parent that stores the date of children modifications( childrenLastModifiedDate ). To maintain that, I added method: @PrePersist @PreUpdate @PreRemove private void handle() { parent.setChildrenLastModifiedDate(now()); } Here is the problem. It's not always invoke when the child is saved. Locally(mac os), it works as expected, all three types of changes are tracked and saved to

问题 I have two entities with relation one to many. Parent can have several Child entity instances. I added a field to the parent that stores the date of children modifications( childrenLastModifiedDate ). To maintain that, I added method: @PrePersist @PreUpdate @PreRemove private void handle() { parent.setChildrenLastModifiedDate(now()); } Here is the problem. It's not always invoke when the child is saved. Locally(mac os), it works as expected, all three types of changes are tracked and saved to

问题 I have two entities with relation one to many. Parent can have several Child entity instances. I added a field to the parent that stores the date of children modifications( childrenLastModifiedDate ). To maintain that, I added method: @PrePersist @PreUpdate @PreRemove private void handle() { parent.setChildrenLastModifiedDate(now()); } Here is the problem. It's not always invoke when the child is saved. Locally(mac os), it works as expected, all three types of changes are tracked and saved to

问题 This question already has answers here : Spring Data JPA Update @Query not updating? (5 answers) Closed 10 months ago . let's suppose to have this situation: We have spring data configured in the standard way, there is a Respository object, an Entity object and all works well. Now for some complex motivations I have to use directly EntityManager (or JdbcTemplate , whatever is at a lower level than spring data) to update the table associated to my Entity , with a native sql query . So I'm not

问题 Is there a way to find the query that was run against the database in spring data mongodb? I know this is possible in case of JPA. So was just wondering if there was something similar in Spring data MongoDB? 回答1: The easiest way is to set the log level to DEBUG for org.springframework.data.mongodb . 回答2: logging: level: org.springframework.data.mongodb.core.MongoTemplate: DEBUG To clarify Oliver's answer add that to the application.yml file or properties file. 来源： https://stackoverflow.com

问题 Is there a way to find the query that was run against the database in spring data mongodb? I know this is possible in case of JPA. So was just wondering if there was something similar in Spring data MongoDB? 回答1: The easiest way is to set the log level to DEBUG for org.springframework.data.mongodb . 回答2: logging: level: org.springframework.data.mongodb.core.MongoTemplate: DEBUG To clarify Oliver's answer add that to the application.yml file or properties file. 来源： https://stackoverflow.com