java - 涉及多个级联连接的条件查询

Question

我有三个实体：Block和View想要TargetBlock为以下 sql 创建一个 JPA Criteria 查询。

select * from Block INNER JOIN TargetBlock tb ON tb.blockID = b.blockID INNER JOIN view v ON tb.viewID = v.viewID

块有很多意见和很多TargetBlocks。

Answer 1

有关 Criteria API 的文档，请参阅，

http://wiki.eclipse.org/EclipseLink/UserGuide/JPA/Basic_JPA_Development/Querying/Criteria#Join