Spring生成无效的MySQL查询(only_full_group_by) 、、、 我使用Spring 1.5.2和以下@Query: @Query(value = "SELECT m FROM Message m WHERE m.from.userId = :myId OR m.to.userId = :myId GROUP BY m.from.userId, m.to.userId ORDER BY m.date DESC") List<Message> chatOverview(@Pa...
Caused by: java.sql.SQLSyntaxErrorException: Expression #1of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column'alerting.alerthisto0_.id'which is not functionally dependent on columns in GROUP BY clause;thisis incompatible with sql_mode=only_full_group_...
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'db_oem.managerwor0_.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only...
可能解决方法2:使用any_value(id)函数来抑制ONLY_FULL_GROUP_BY值被拒绝,但亲测虽然能够运行,能够取出分为最大值并按照时间分组,但是其id并非数据库中存储的真实值,所以会出现,无法完整取出对应字段完整数据的情况。 解决方案:按照时间粒度对数据时间进行格式化,分数倒序排序,取出满足的所有数据后,取出每组时间的第...
interfaceNamesOnly { @Value("#{target.firstname + ' ' + target.lastname}") String getFullName(); … } View Code 通过SpEL引用Spring Bean方法计算: @ComponentclassMyBean { String getFullName(Person person) { … } }interfaceNamesOnly { @Value("#{@myBean.getFullName(target)}") String ...
例4-73 JPA問合せでのread-onlyの使用 import org.eclipse.persistence.config.HintValues; import org.eclipse.persistence.config.QueryHints; query.setHint(QueryHints.READ_ONLY, HintValues.TRUE); 例4-74に、@QueryHint注釈でこのヒントを使用する方法を示します。 例4-74 @QueryHint注釈でのread-on...
private <T extends EsDocument, F> void fullLoadToEs(IESLoadService<T, F> esLoadService) { ...
org.apache.openjpa.jdbc.meta.strats.FullClassStrategy.class org.apache.openjpa.jdbc.meta.strats.HandlerCollectionTableFieldStrategy.class org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy.class org.apache.openjpa.jdbc.meta.strats.HandlerHandlerMapTableFieldStrategy.class org.apache.openjpa.jdbc....
public interface GroupRepository extends CrudRepository<GroupInfo, String> { @EntityGraph(attributePaths = { "members" }) GroupInfo getByGroupName(String name); } 1. 2. 3. 4. 5. 6. 7. 投影(Projections) 通常情况下 Spring Data Repositories 会返回整个domain 类.有时候,你需要因为不同的原因,修...
Group By HAVING 조인 : join() 메서드와 JoinType 클래스를 사용한다. m.join("team") // 내부 조인 m.join("team", JoinType.INNER); // 내부 조인 m.join("team",JoinType.LEFT); // 외부 조인 m.fetch("team", JoinType.LEFT) // ...