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nilanglo
 Post subject: Jointure HQL
PostPosted: Fri Apr 07, 2006 11:04 am 
Newbie

Joined: Fri Mar 03, 2006 4:25 am
Posts: 3
Bonjour,

Je ne comprends pas pourquoi la jointure suivante :

Code:
select c.CliNom,e.Id,e.EntLibelle,e.EntTelephone,e.EntTaille from Entite e,Client c inner join c.Id as cliId where e.Cli=cliId


me renvoie comme erreur dans mon navigateur :
Quote:
java.lang.NullPointerException
org.hibernate.hql.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:315)
org.hibernate.hql.antlr.HqlSqlBaseWalker.joinElement(HqlSqlBaseWalker.java:3268)
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3060)
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:2938)
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:688)
org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:544)
org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:281)
org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:229)
org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:218)
org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:158)
org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:109)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:75)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:54)
org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:71)
org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:134)
org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:113)
org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1602)
com.teamlog.intranantes.dao.AccesBase.getListFromQuery(AccesBase.java:262)
com.teamlog.intranantes.metier.RechercheEntitesMetier.getListeEntites(RechercheEntitesMetier.java:187)
com.teamlog.intranantes.presentation.action.RechercheEntitesAction.afficherListeEntites(RechercheEntitesAction.java:50)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
com.teamlog.intranantes.presentation.action.DispatchActionProtected.execute(DispatchActionProtected.java:35)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


Merci de votre aide !
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smayemba
 Post subject:
PostPosted: Mon Apr 24, 2006 12:37 pm 
Regular
Regular

Joined: Sat May 15, 2004 4:27 am
Posts: 79
Essaye juste un :

select c.CliNom,e.Id,e.EntLibelle,e.EntTelephone,e.EntTaille
from Entite As e
join e.client As cliId

// Pas besoin de where. Hibernate le gère trés bien tout seul

ps: si cette réponse est utilie merci d'augmenter mon crédit
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smayemba
 Post subject:
PostPosted: Mon Apr 24, 2006 12:51 pm 
Regular
Regular

Joined: Sat May 15, 2004 4:27 am
Posts: 79
Désolé je me suis trompé. Dans le cas où il y a une relation entre Entite et Client tu
dois faire ça :

SELECT c.CliNom,e.Id,e.EntLibelle,e.EntTelephone,e.EntTaille
FROM Entite As e
join e.client As c

Voilà. Avec les coquilles en moins du premier post
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