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我有两个实体:语法错误与执行一个查询到一个
User
有两个字段的实体有:id
(@id),username
Profile
有两个字段的实体有:user
( @ OneToOne,targetEntity = “用户”),fullname
但是,当我做一个查询从东西尝试我读了书JPA:
SELECT p from Profile p where p.user.username = 'john'
它提醒我一个消息:
[Syntax Error] line 0, col 55: Error: Expected =, <, <=, <>, >, >=, !=, got '.'