@Query(nativeQuery = true,value = "SELECT a.id , e.created_date FROM jg_bed a,jg_checkin_bed b ,jg_checkin c , jg_elder d, jg_checkout e WHERE a.id = b.bed_id and b.checkin_id = c.id and c.elder_id = d.id and d.id = e.elder_id and c.usage = ?1 and c.move_in_status =?2 and a.tenant_id = ?3 " + " <if test='queryData != null'> " + " and e.checkout_date between = #{queryData.bedCheckOutStartTime} and #{queryData.bedCheckOutEndTime}" + " and a.bed_status = #{queryData.bedStatus} " + "</if>") List<Map<String,String>>getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing , String tenantId, @Param("queryData") QueryData queryData);有问题么 请改正
时间: 2024-03-27 19:36:58 浏览: 19
在这个查询语句中,使用了 MyBatis 的动态 SQL,但是 `<if>` 标签中的语句不完整,应该将 `between` 和 `=` 分开,并且 `=` 后面应该是 `#{queryData.bedCheckOutEndTime}` 而不是 `#{queryData.bedCheckOutStartTime}`。正确的语句应该是:
```
SELECT a.id, e.created_date
FROM jg_bed a, jg_checkin_bed b, jg_checkin c, jg_elder d, jg_checkout e
WHERE a.id = b.bed_id
AND b.checkin_id = c.id
AND c.elder_id = d.id
AND d.id = e.elder_id
AND c.usage = #{usage}
AND c.move_in_status = #{moveInStatusCheckOutDoing}
AND a.tenant_id = #{tenantId}
<if test='queryData != null'>
AND e.checkout_date BETWEEN #{queryData.bedCheckOutStartTime} AND #{queryData.bedCheckOutEndTime}
AND a.bed_status = #{queryData.bedStatus}
</if>
```
相关问题
@Query(nativeQuery = true,value = "SELECT a.id , e.created_date FROM jg_bed a,jg_checkin_bed b ,jg_checkin c , jg_elder d, jg_checkout e WHERE a.id = b.bed_id and b.checkin_id = c.id and c.elder_id = d.id and d.id = e.elder_id and c.usage = ?1 and c.move_in_status =?2 and a.tenant_id = ?3 and ") List<Map<String,String>>getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing , String tenantId, QueryData queryData); 如何动态拼接上queryData中的条件 有则查询,无则不查询
您可以使用动态SQL的方式来拼接上queryData中的条件,例如:
```java
@Query(nativeQuery = true, value = "SELECT a.id, e.created_date FROM jg_bed a, jg_checkin_bed b, jg_checkin c, jg_elder d, jg_checkout e " +
"WHERE a.id = b.bed_id AND b.checkin_id = c.id AND c.elder_id = d.id AND d.id = e.elder_id AND c.usage = ?1 AND c.move_in_status = ?2 " +
"AND a.tenant_id = ?3 " +
"<if test='queryData != null'> " +
"AND a.some_column = #{queryData.someValue} " +
"</if>")
List<Map<String, String>> getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing, String tenantId, @Param("queryData") QueryData queryData);
```
在SQL语句中使用了`<if>`标签,如果`queryData`不为空,则会拼接上`AND a.some_column = #{queryData.someValue}`这个条件,否则不会拼接。其中,`queryData.someValue`是您要拼接的具体条件。另外,这里使用了MyBatis的方式来实现动态SQL,需要引入MyBatis相关依赖和配置文件。
@Query(nativeQuery = true,value = "SELECT a.id , e.created_date as time FROM jg_bed a,jg_checkin_bed b ,jg_checkin c , jg_elder d, jg_checkout e WHERE a.id = b.bed_id and b.checkin_id = c.id and c.elder_id = d.id and d.id = e.elder_id and c.usage = ?1 and c.move_in_status =?2 and a.tenant_id = ?3 " + " <if test='queryData != null'> " + " and e.checkout_date between #{queryData.bedCheckOutStartTime} and #{queryData.bedCheckOutEndTime}" + " and a.bed_status = #{queryData.bedStatus} " + "</if>") List<Map<String,String>>getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing , String tenantId, @Param("queryData") QueryData queryData);改正为jpa写法
以下是可能的JPA写法:
```java
@Query("SELECT a.id, e.createdDate as time " +
"FROM Bed a " +
"JOIN CheckinBed b ON a.id = b.bed.id " +
"JOIN Checkin c ON b.checkin.id = c.id " +
"JOIN Elder d ON c.elder.id = d.id " +
"JOIN Checkout e ON d.id = e.elder.id " +
"WHERE c.usage = ?1 " +
"AND c.moveInStatus = ?2 " +
"AND a.tenant.id = ?3 " +
"AND (:queryData is null OR " +
" (e.checkoutDate BETWEEN :#{#queryData.bedCheckOutStartTime} AND :#{#queryData.bedCheckOutEndTime} " +
" AND a.bedStatus = :#{#queryData.bedStatus}))")
List<Map<String, String>> getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing, String tenantId, @Param("queryData") QueryData queryData);
```
需要注意以下几点:
- 在JPA中,需要使用实体类名、属性名等代替表名、列名等,因此需要根据实际情况对表名、列名进行替换。
- 在JPA中,使用`JOIN`关键字代替SQL中的多表查询语句。
- 在JPA中,使用`:`代替`#{}`,使用`#`代替`${}`。同时,为了避免语法错误,需要将参数名放在`#{}`或`${}`中的写法改成使用`:`和`#{#参数名}`的写法。
- 在JPA中,使用`is null`代替SQL中的`= null`判断。
- 在JPA中,使用`@Param`注解指定参数名。