Hello every body I have used following code in my jpa project for working of sequence 开发者_如何转开发generation,its giving exception that pre-allocation size is not set correctly,but
In my project i am using JPA 2.0 with eclipselink inplementation, an I have following problem: I have defined entity with boolean column:
I use JPA/Hibernate with Spring transaction management in my application. There is a InspectionEntity which has a one-to-many relation with InspectionDetailEntity.
I am quite new to JPA and I am using Apress JPA2 text book to learn it. I was trying to do the first example from the book. This following line of code gives me an error:
I have an entity whi开发者_StackOverflow中文版ch has a non-key column which I\'ve set as auto-generated in my DB.
I have a base Entity class which will be derived in more than a hundred of a subclasses. In order to开发者_如何学运维 be sure that persisted fields will be the ones I want (and not the users of that
I have few tables with very few entries in them and they w开发者_Go百科ill never change dynamically . so i want to cache the whole table in memory to reduce load on DB. I can easily achieve thatby a s
For explaning my issue, I have created this simple project with two tables : item and order1 (with item having orderId as Foreign Key).
I\'m trying to setup Spring using Hibernate and JPA, but when trying to persist an object, nothing seems to be added to the database.
I am developing a tool that handles some database entities using JPA2, with hibernate as the persistence provider. The tool is generic and uncoupled from any business logic, it takes a generic Class&l
加载中,请稍侯......