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jakarta.persistence.TypedQuery.getSingleResult()

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery X getSingleResult () Execute a SELECT query that returns a single result. Returns: the result, of type X . Throws: IllegalStateException - if called for a Jakarta Persistence query language UPDATE or DELETE statement

jakarta.persistence.StoredProcedureQuery.getSingleResult()

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery Object getSingleResult () Retrieve a single result from the next result set. The provider will call execute on the query if needed. A REF_CURSOR result set, if any, is retrieved in the order the REF_CURSOR parameter

jakarta.persistence.Query.getSingleResult()

Jakarta Persistence (JPA) Method in jakarta.persistence.Query Object getSingleResult () Execute a SELECT query that returns a single untyped result. Returns: the result. Throws: IllegalStateException - if called for a Jakarta Persistence query language UPDATE or DELETE statement

Running JPA Queries

The Query interface defines two methods for running SELECT queries: Query. getSingleResult ... . getSingleResult - for use when exactly one result object is expected. TypedQuery.getResultList ... (with getSingleResult ) The getResultList method (which was discussed above) can also be used to run queries

_PersistenceException: Type is not found on getSingleResult.

_PersistenceException: Type is not found on getSingleResult.

Query Parameters in JPA

). getSingleResult (); } The WHERE clause reduces the query results to Country objects whose name field value ... ), so invocation of getSingleResult can be chained to the same expression. Named parameters can be easily ... WHERE c.name = ?1", Country.class); return query. setParameter (1, name). getSingleResult

Online Backup

; em.createQuery("objectdb backup"). getSingleResult (); The backup query string is always exactly ... . getSingleResult (); The code above, for instance, could create a backup at  c:\backup ... backup"); backupQuery.setParameter("target", "backup"); backupQuery. getSingleResult (); When a string

Setting and Tuning of JPA Queries

The  Query and  TypedQuery interfaces define various setting and tuning methods that may affect query execution if invoked before a query is run using getResultList or getSingleResult . Result Range (setFirstResult, setMaxResults) The setFirstResult and  setMaxResults methods enable

jakarta.persistence.StoredProcedureQuery

and getSingleResult are called on a StoredProcedureQuery object, the provider calls execute on an unexecuted stored procedure query before processing getResultList or getSingleResult . When executeUpdate ... set can be obtained by calling getResultList or getSingleResult . The hasMoreResults method

jakarta.persistence.NonUniqueResultException

Thrown by the persistence provider when Query. getSingleResult or TypedQuery. getSingleResult is executed ... transaction, if one is active, to be marked for rollback. See Also: Query:: getSingleResult () TypedQuery:: getSingleResult () Since: Jakarta Persistence (JPA) 1.0 Public Constructors NonUniqueResultException

jakarta.persistence.NoResultException

the persistence provider when Query. getSingleResult or TypedQuery. getSingleResult is executed ... , to be marked for rollback. See Also: Query:: getSingleResult () TypedQuery:: getSingleResult () Since: Jakarta

jakarta.persistence.TypedQuery

Persistence (JPA) 2.2 X getSingleResult () Execute a SELECT query that returns a single result. Overrides Query. getSingleResult Returns: the result, of type X . Throws: IllegalStateException - if called

Duplicate Entity class names causes Exception in Query

. getSingleResult (JpaQuery.java:664) at objdbTest.Singleton.findItem(Singleton.java:62) at objdbTest ... ) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:657) ... 64 more Here is the class doing ... .setParameter("cachedKey", Integer.toString(which)); try { return q. getSingleResult (); } catch

jakarta.persistence.Query

Persistence (JPA) 2.2 Object getSingleResult () Execute a SELECT query that returns a single untyped

Error 363 - Failed to read value of inverse relationship

.receivedMessages using reflection (error 363) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:723 ... .objectdb.o.QRR.b(QRR.java:187) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:716) ... 31 ... .setParameter("name", name). getSingleResult (); } catch (PersistenceException ex) { ex.printStackTrace

com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMV

.RecordingMetaDataDAO. getSingleResult (RecordingMetaDataDAO.java:958)        ... .RecordingService. getSingleResult (RecordingService.java:384)        ... ; at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:723)      

Criteria Query results in a NoResultException instead of returning object

()])); return em.createQuery(criteria). getSingleResult (); which evaluates to the query: SELECT $1 FROM ... .objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:620) at org.jboss.seam.security.management.picketlink ... = em.createQuery(queryStr) .setParameter("identityObjectName", obj.getName()) . getSingleResult

Mismatch client-server protocol prefix

;      result = (TrackerUser) q. getSingleResult ();       ... ; result = q. getSingleResult ();         } catch (Throwable ex ... ; This exception gets thrown at the getSingleResult line: java.lang.ClassCastException: at.co.pjm.tracker

Catching exceptions from online backup

the following solution: Thread backupThread = backupQuery . getSingleResult ( ) ; backupThread ... accessible via some API or the  TypedQuery. getSingleResult () would accept a parameter of type ... ; Thread backupThread = backupQuery . getSingleResult ( ) ; // TODO: Complete initializing the thread

JPA - ExceptionInInitializerError when creating EntityManager

.setParameter("name", "SMTP"). getSingleResult (); port = emailSettings.setParameter("name", "Port"). getSingleResult (); from = emailSettings.setParameter("name", "EMAILFROM"). getSingleResult ... (1). getSingleResult ();            

Online backup problem

; Thread backupThread = backupQuery. getSingleResult ();    backupThread.join();   } catch ... .createQuery("objectdb backup");   query. getSingleResult ();     em.close();   emf.close ... ;query. getSingleResult (); or the new build (2.2.7_07) that should fix it. Thank you for this report

zip file or JAR manifest missing

(error 301) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:620) at src.run.txt2db.lookup ... .objectdb.o.QRR.b(QRR.java:143) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:613) ... 2 ... ); q2.setParameter(2, sName); ItemList item = null; try { item = (ItemList)q2. getSingleResult

how to query by properties of onetomany relations? (Error 990)

.QRR.b(QRR.java:143) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:610)   f.bars ... ;     System.out.println("Count: " + query. getSingleResult ());     ... .JpaQuery. getSingleResult (JpaQuery.java:620) The query hint is set in the code

Tutorial issue

) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:754) at tutorial.Main.main(Main.java:29 ... .java:153) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:747) ... 1 more  

License Activation Change and Checking Activation

", boolean.class). getSingleResult (); support Support This query always returns false in my case ... .JpaQuery. getSingleResult (JpaQuery.java:747) mosi0815 Ralph Moser Sorry, hopefully build 2.5.5_03 should work fine. support Support

Cast exception?

.createNamedQuery("Player.getPlayer", Player.class); Player player = query.setParameter("id", uid). getSingleResult ... . getSingleResult (); Without any error. So the only error occurring is the casting, which doesn't

New to Product & Having An Issue

", Department.class); q.setParameter("id", this.departmentId); Department d = q. getSingleResult ... . getSingleResult (); assertNotNull(d); assertNotNull(d.getDomainId()); assertEquals(this.departmentId, d.getDomainId

Potential ObjectDB bug

.JpaQuery. getSingleResult (JpaQuery.java:757) [objectdb.jar:] at com.example.dao.TvrtkaDAO ... .objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:757) [objectdb.jar:] at com.example.dao.TvrtkaDAO

Getting the database file size

.createEntityManager()) { long fileSize = em.createQuery( "objectdb file-size", Long.class). getSingleResult ... -count", Long.class). getSingleResult (); System.out.printf("Object Count: %d%n", objectCount); } } support Support

Date field Index is corrupted due to time change

) q. getSingleResult ();         em.getTransaction().commit ... . getSingleResult ();         em.getTransaction().commit();    

Bulk Delete and Update - best practice?

.createQuery("SELECT COUNT(d) from CacheData d", Long.class); long rows = q. getSingleResult ... .createEntityManager(); q = em.createQuery("SELECT COUNT(d) from CacheData d", Long.class); rows = q. getSingleResult

TYPE Expression

.OBC.onObjectDBError(OBC.java:1485) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:702 ... (QRR.java:230) at com.objectdb.o.QRR.b(QRR.java:151) at com.objectdb.jpa.JpaQuery. getSingleResult

Visibility of changes in Transaction is not visible to a JPA QL Query

; return q. getSingleResult ();   } catch (javax.persistence.NoResultException ex) {    ... ", Integer.toString(which));   return q. getSingleResult ();  

Problem upgrading

] at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:757) ~[objectdb-2.6.6.jar:na] ... 120 ... (QRR.java:222) ~[objectdb-2.6.6.jar:na] at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java

Remove a modified entity cause an optimistic lock exception

.createQuery("select m from MyEntity m"). getSingleResult ();         e ... from MyEntity m"). getSingleResult ();         em.remove(e);  

ArrayIndexOutOfBoundsException

;    at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:696) After the first time ... ;  at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:696)   I'm afraid I can't

Object comparation never matches

", authentication.getPrincipal()). getSingleResult (); According to ObjectDB explorer, the record is stored as ... )"  on getSingleResult PhoneNumber contains exactly 2 fields. So I'm sure that both objects are same

Merge Issue: Attempt to reuse an existing primary key value

A a", A.class). getSingleResult ();         Assert.assertEquals(1, a.list ... ("select a from A a", A.class). getSingleResult ();         Assert

Left join fetch behaviour doesn't retrieve children?

; MyEntity myEntity = query. getSingleResult ();            ... ; MyEntity.class);   MyEntity myEntity = query. getSingleResult ();   // Ok my em is now closed

License State

activation", boolean.class). getSingleResult ()); It will not tell you the mode (i.e. OEM ... ; System.out.println(emf.createEntityManager().createQuery( "objectdb oem", boolean.class). getSingleResult

combined index not used

statistics", Thread.class). getSingleResult (); thread.join(); em.close(); emf.close ... = entityManager .createQuery("objectdb statistics", Thread. class ). getSingleResult ();    ... .createQuery("objectdb statistics", Thread.class). getSingleResult (); thread.join(); em.close(); emf.close

Unexpected exception when execute query without enhanced entities

.QRR.i(QRR.java:154) at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:760) I would expect ... .o.OBC.onObjectDBError(OBC.java:1591) ~[na:na] at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery ... ] at com.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:760) ~[na:na] ... 28 common frames omitted

Issue with cascade delete & add/remove

;         .setMaxResults(1). getSingleResult ();     ... ;           . getSingleResult ()).intValue();   ... '")             . getSingleResult ()).intValue

Online Backup degrades responsiveness.

.createQuery("objectdb backup", Thread.class); Thread backupThread = backupQuery. getSingleResult ... = em.createQuery("objectdb backup", Thread.class); Thread backupThread = backupQuery. getSingleResult ... for x ms every 1MB Thread backupThread = backupQuery. getSingleResult (); backupThread.join

Server crash - Mismatch client-server protocol prefix

Mismatch client-server protocol prefix (error 523) at com.objectdb.jpa.JpaQuery. getSingleResult ... .objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:716) ... 27 more   I realize this isn't a lot

UPDATE statemen crash when i put the WHERE clause.

)).setParameter( "curs" , "Programare avansata" ). getSingleResult () ; lab_points = lab_points + Integer ... )).setParameter( "curs" , "Programare avansata" ). getSingleResult ()) ; } if (updateEm.getTransaction

Issues with JDO Casting & Full Qualified Names

= '123'";   System.out.println("4: " + em.createQuery(query). getSingleResult ());   em.close ... ; System.out.println("4: " + em.createQuery(query). getSingleResult ());      

ObjectDB can't be activated

activation", boolean.class). getSingleResult ()); Result is " false ". Also when trying to create ... System.out.println(emf.createEntityManager().createQuery("objectdb activation", boolean.class). getSingleResult

Unexpected error when loading all entity instance

.objectdb.jpa.JpaQuery. getSingleResult (JpaQuery.java:750) at com.querydsl.jpa.impl.AbstractJPAQuery. getSingleResult (AbstractJPAQuery.java:183) at com.querydsl.jpa.impl.AbstractJPAQuery.fetchOne

InternalException using 2.3.7_12

. getSingleResult (JpaQuery.java:716) at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source) at sun ... $DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:310) at $Proxy56. getSingleResult (Unknown