org.hibernate.QueryException: JPA-style positional param was not an integral ordinal
You have no whitespace between lines “and req_t.receiver.id=?2 and req_t.requestType in ?3” + “and NOT EXISTS also check that the ?3 param is not empty list
jpql
JPA: JOIN in JPQL
Join on one-to-many relation in JPQL looks as follows: select b.fname, b.lname from Users b JOIN b.groups c where c.groupName = :groupName When several properties are specified in select clause, result is returned as Object[]: Object[] temp = (Object[]) em.createNamedQuery(“…”) .setParameter(“groupName”, groupName) .getSingleResult(); String fname = (String) temp[0]; String lname = (String) temp[1]; By the … Read more
Doing an “IN” query with Hibernate
The syntax of your JPQL query is incorrect. Either use (with a positional parameter): List<Long> ids = Arrays.asList(380L, 382L, 386L); Query query = em.createQuery(“FROM TrackedItem item WHERE item.id IN (?1)”); query.setParameterList(1, ids) List<TrackedItem> items = query.getResultList(); Or (with a named parameter): List<Long> ids = Arrays.asList(380L, 382L, 386L); Query query = em.createQuery(“FROM TrackedItem item WHERE item.id … Read more
Are SQL injection attacks possible in JPA?
It’s only possible if you’re inlining user-controlled variables in a SQL/JPQL string like so: String sql = “SELECT u FROM User u WHERE id=” + id; If you aren’t doing that and are using parameterized/named queries only, then you’re safe.
Is there a way to use constants inside Spring Data @Query annotation value?
You have to use fully qualified class name like this: @Query(“SELECT u FROM UserModel u WHERE u.status = com.example.package.UserModel.STATUS_ACTIVE”) The bad thing about it though is that an IDE would not recognise this as an usage of the class UserModel. The only advantage is that you can keep the value in one place, which is … Read more
java.sql.SQLException: Fail to convert to internal representation
Your data types are mismatched when you are retrieving the field values. Check your code and ensure that for each field that you are retrieving that the java object matches that type. For example, retrieving a date into and int. If you are doing a select * then it is possible a change in the … Read more
JPQL limit query [duplicate]
JPQL does not provide a mechanism to limit queries. This is most often achieved by using the setMaxResults() method on the Query. If you must avoid specifying this in Java code, you could make a view in the database that contains your query and performs the limit. Then map an entity to this view as … Read more
IntelliJ IDEA highlights @Entity class names with “Cannot resolve symbol” in JPQL
Seems like you have not selected the default JPA provider in facet configuration. Depending upon which provider you are using, pick one from the list. Available options are EclipseLink, Hibernate, OpenJPA, TopLink
JPA: Query that returns multiple entities
IIRC, you can do a SELECT o1, o2, o3 FROM EntityA o1, EntityB o2, EntityC o3 WHERE …., and the result will be a List<Object[3]>, where the array contents will contain the o1,o2,o3 values.
JPQL SELECT between date statement [closed]
Try this query (replace t.eventsDate with e.eventsDate): SELECT e FROM Events e WHERE e.eventsDate BETWEEN :startDate AND :endDate