Question

我有一个抽象实体，多次扩展，每个子实体都有自己的重复字段当我使用父字段搜索时，这可行，但是当我通过子字段时发生错误

employeeRepository.findAll(EmployeeSpecification.filterField(null,null,null),pageable).getContent();

错误1

Caused by: org.hibernate.hql.internal.ast.QuerySyntaxException: unexpected token: where near line 1, column 206 [select distinct generatedAlias0 from de.mexchange.packagingdb.entity.Employee as generatedAlias0 where exists (select distinct treat(generatedAlias0 as de.mexchange.packagingdb.entity.EmployeeThird) from  where treat(generatedAlias0 as de.mexchange.packagingdb.entity.EmployeeThird).other like :param0)]
    at org.hibernate.hql.internal.ast.QuerySyntaxException.convert(QuerySyntaxException.java:91)
    at org.hibernate.hql.internal.ast.ErrorCounter.throwQueryException(ErrorCounter.java:109)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:304)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:203)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:158)
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:131)
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:93)
    at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:167)
    at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:301)
    at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:236)
    at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1836)
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:568)

错误2

Caused by: java.lang.IllegalArgumentException: Unable to locate Attribute  with the the given name [other] on this ManagedType

JPA：Specificaation api无法在JOINED继承中从子类加载实体

0 个答案: