如何解决SQL错误:1064,SQLState:@Query中的42000-JPA,MySQL,Hibernate
我正在使用JPA Query for MySQL数据库。我正在传递字符串日期
http:// localhost:8081 / stat / visits / 2020-07-29
为PathVariable
-但在查询的JPA存储库中出现错误:
我正在使用Java8 LocalDateTime
和参数LocalDate
。绑定有问题。这是我的课程,下面是错误:
控制器
@GetMapping("/visits/{dateParam}")
public ResponseEntity<List<WebsiteDailyTotal>> getDailyTotalUsage(@PathVariable("dateParam") String dateParam) {
LocalDate ld = LocalDate.parse(dateParam.subSequence(0,dateParam.length()));
LOGGER.info("ld: {}",ld.toString());
List<WebsiteDailyTotal> websiteTotalUsage = service.getDomainTotal2(ld);
return new ResponseEntity<List<WebsiteDailyTotal>>(websiteTotalUsage,new HttpHeaders(),HttpStatus.OK);
}
JPA存储库:
public interface TotalDomainRepository2 extends JpaRepository<SuperStatEntityTime,Long> {
@Query("SELECT new com.proctorio.webtracker.entity.WebsiteDailyTotal(c.domain,SUM(c.duration)) FROM SuperStatEntityTime AS c WHERE c.start.toLocalDate() = :localDate GROUP BY c.domain ORDER BY c.domain ASC")
public List<WebsiteDailyTotal> countTotalDomainUsageByDay2(@Param("localDate") LocalDate localDate);
}
实体类:
@Entity
@Table(name = "super_stat2")
public class SuperStatEntityTime {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column
private String uuid;
@Column
private String domain;
@Column(name = "start",columnDefinition = "TIMESTAMP")
private LocalDateTime start;
@Column(name = "end",columnDefinition = "TIMESTAMP")
private LocalDateTime end;
@Column
private Long duration;
数据库表:
CREATE TABLE `super_stat2` (
`id` bigint NOT NULL AUTO_INCREMENT,`domain` varchar(255) DEFAULT NULL,`start` datetime DEFAULT '0000-00-00 00:00:00',`end` datetime DEFAULT '0000-00-00 00:00:00',`duration` bigint DEFAULT '0',`uuid` varchar(255) DEFAULT NULL,PRIMARY KEY (`id`)
)
结果类:
public class WebsiteDailyTotal {
private String domainUrl;
private Long totalTime;
public WebsiteDailyTotal() {
}
public WebsiteDailyTotal(String domainUrl,Long totalTime) {
this.domainUrl = domainUrl;
this.totalTime = totalTime;
}
有错误:
Hibernate:
select
superstate0_.domain as col_0_0_,sum(superstate0_.duration) as col_1_0_
from
super_stat2 superstate0_
where
c.start.toLocalDate()=?
group by
superstate0_.domain
order by
superstate0_.domain ASC
o.h.type.descriptor.sql.BasicBinder : binding parameter [1] as [DATE] - [2020-07-29]
o.h.engine.jdbc.spi.SqlExceptionHelper : SQL Error: 1064,SQLState: 42000
是语法错误。没有where子句的查询将成功。请在这件事上给予我帮助。谢谢
解决方法
您不能直接在JPQL中使用toLocalDate()
。一种更简单的方法来修复localdate
的这一天的开始和结束时间,并在使用它们进行查询之间进行。
LocalDateTime startOfDay = localDate.atTime(LocalTime.MIN);
LocalDateTime endOfDay = localDate.atTime(LocalTime.MAX);
并像c.start between BETWEEN :startOfDay AND :endOfDay
@Query("SELECT new com.proctorio.webtracker.entity.WebsiteDailyTotal(c.domain,SUM(c.duration)) "
+"FROM SuperStatEntityTime AS c WHERE c.start between BETWEEN :startOfDay AND :endOfDay GROUP BY c.domain ORDER BY c.domain ASC")
public List<WebsiteDailyTotal> countTotalDomainUsageByDay2(@Param("startOfDay") LocalDateTime startOfDay,@Param("endOfDay") LocalDateTime endOfDay);
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。