JPA命名查询显示错误

Question

I am trying to execute JPA named query on my entity, but it is showing syntax error. Can anyone tell me what is the problem with my named query?

@Repository
public interface CollegeRepository extends CrudRepository<CollegeEntity, Integer> {


    @Query("SELECT c FROM(SELECT *,(((acos(sin((:latitude * pi()/180)) * sin((latitude*pi()/180))+cos((:latitude * pi()/180)) * cos((latitude*pi()/180)) * cos(((:longitude - longitude)*pi()/180))))*180/pi())*60*1.1515*1.609344) as distance FROM college) t WHERE distance <= 30")
    List<CollegeEntity> getCollegeByLocation(@Param("latitude") Double latitude, @Param("longitude") Double longitude, @Param("distance") Integer distance);    
}

This is error after executing above query.

Caused by: org.hibernate.hql.internal.ast.QuerySyntaxException: unexpected token: ( near line 1, column 14 [SELECT c FROM(SELECT *,(((acos(sin((:latitude * pi()/180)) * sin((latitude*pi()/180))+cos((:latitude * pi()/180)) * cos((latitude*pi()/180)) * cos(((:longitude - longitude)*pi()/180))))*180/pi())*60*1.1515*1.609344) as distance FROM college) t WHERE distance <= :distance]

When I execute below native query in MySQL terminal then working good.

mysql> SELECT * FROM(SELECT *,(((acos(sin((0.0 * pi()/180)) * sin((latitude*pi()/180))+cos((0.0 * pi()/180)) * cos((latitude*pi()/180)) * cos(((0.0 - longitude)*pi()/180))))*180/pi())*60*1.1515*1.609344) as distance FROM college) t WHERE distance <= 30;
Empty set (0.08 sec)

Answer 1

It seems that your query is not a correct JPQL Syntax, because there are no acos , pi , sin , cod functions in JPA, your query look like a native query, to solve your problem you have two options :

• First option : Convert your query to a correct JPQL syntax, you can follow the documentation
• Second option : use nativeQuery = true attribute @Query(nativeQuery = true, value="SELECT * FROM(...") , note the * there are no alias c in your query.

You can use :

@Query(value = "SELECT * FROM(SELECT *,"
        + "(((acos(sin((0.0 * pi()/180)) * sin((latitude*pi()/180)) + "
        + "cos((0.0 * pi()/180)) * cos((latitude*pi()/180)) * "
        + "cos(((0.0 - longitude)*pi()/180))))*180/pi()) * "
        + "60*1.1515*1.609344) as distance FROM college) t WHERE distance <= 30;", 
        nativeQuery = true)

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In your case, I strongly suggest the second option.