Jpa &引用;“在什么情况下”;总额内条款
我的表/实体如下所示:Jpa &引用;“在什么情况下”;总额内条款,jpa,jpql,criteria-api,case-when,Jpa,Jpql,Criteria Api,Case When,我的表/实体如下所示: *ID* | *Description* | *Error* | *batchId* 1 | test 111 | 0 | 456 2 | test 222 | 1 | 456 3 | test 333 | 0 | 456 4 | test xxx | 1 | 458 5 | test yyy | 1 | 458 我正在尝试选择此表
*ID* | *Description* | *Error* | *batchId*
1 | test 111 | 0 | 456
2 | test 222 | 1 | 456
3 | test 333 | 0 | 456
4 | test xxx | 1 | 458
5 | test yyy | 1 | 458
我正在尝试选择此表单中的结果:
batchId | HowManyOK | HowManyErrors
456 | 2 | 1
458 | 0 | 2
在JPQL中,我尝试过:
SELECT
g,
SUM( CASE WHEN g.error = false THEN 1 ELSE 0 END ) AS ok,
SUM( CASE WHEN g.error = false THEN 1 ELSE 0 END ) AS ko
FROM
GoogleMerchantLog g
GROUP BY g.batchId
但是它没有编译!它在总和处声明错误“封装的表达式不是有效表达式”
也许有一些建议可以用标准API来解决这个问题
没有解决方案?
我最终解决了映射本机查询的问题:((这是我刚刚编写的代码:
@Query("SELECT new be.mteam.zoomit.persistence.vo.ZoomitValidation(Z.organization, " +
"Z.documentType, " +
"Z.language, " +
"Z.recipientProfil, " +
"Z.documentDate, " +
"sum(case when(Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.WAITVALIDATION) then 1 else 0 end), " +
"sum(case when(Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.WAITTOSEND " +
"or Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.POSTED " +
"or Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.CREATED " +
"or Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.SENDING) then 1 else 0 end), " +
"sum(case when(Z.status = be.mteam.zoomit.persistence.vo.ZoomitStatus.SENT) then 1 else 0 end)) " +
"from Zoomit as Z " +
"where Z.organization = :organization " +
"and Z.status in (be.mteam.zoomit.persistence.vo.ZoomitStatus.WAITVALIDATION," +
"be.mteam.zoomit.persistence.vo.ZoomitStatus.WAITTOSEND," +
"be.mteam.zoomit.persistence.vo.ZoomitStatus.POSTED," +
"be.mteam.zoomit.persistence.vo.ZoomitStatus.CREATED," +
"be.mteam.zoomit.persistence.vo.ZoomitStatus.SENDING," +
"be.mteam.zoomit.persistence.vo.ZoomitStatus.SENT) " +
"group by Z.organization, Z.documentType, Z.language, Z.recipientProfil, Z.documentDate")
List<ZoomitValidation> getValidations(@Param("organization") String organization);
致:
马文:
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>2.2.5.RELEASE</version>
org.springframework.data
spring数据jpa
2.2.5.1发布
PS:没有找到使用statics import来缩短ZoomitStatus枚举的方法。如何在没有
SUM()
方法的情况下尝试使用justCASE,并确保使用JPA 2.x
版本。但是…通过删除SUM()可以,我不会得到组的总和,我只会得到1或0?@FabioB。你是不是很幸运地解决了它…不!我想我走了另一条路。我记不清了,对不起。
SELECT
g.batchId,
SUM(CASE WHEN (g.error = false) THEN 1 ELSE 0 END) AS ok,
SUM(CASE WHEN (g.error = true) THEN 1 ELSE 0 END) AS ko
FROM
GoogleMerchantLog g
GROUP BY g.batchId
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>2.2.5.RELEASE</version>