doc/book/fr/22-faq.fr.txt
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 16 Sep 2009 17:27:04 +0200
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.. -*- coding: utf-8 -*-
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Foire Aux Questions
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===================
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[FILL ME]
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* A quoi servent les crochets?
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  Les crochets sont appeles lorsqu'une requete RQL est executee. Cela
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  permet d'executer des actions specifiques lors d'un acces a la base
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  de donnees, ce qui donne un controle de la base de donnees afin de
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  prevenir l'insertion de `mauvaises` entites dans la base.
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* Quand utiliser un template HTML plutot qu'un composant graphique?
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  Un template HTML ne peut contenir de logique, il ne permettra donc
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  que de definir une vue statique. Un composant permet lui de gerer
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  plus de logique et d'operations sur le contexte dans lequel il 
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  s'applique. Il faut donc bien reflechir avant de decider de l'un ou
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  de l'autre, mais vous avez la possibilite de choisir.
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* Comment mettre à jour une base de données après avoir modifié le schéma?
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  Cela dépend de ce qui a été modifié dans le schéma. 
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  * Modification d'une relation non finale
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  * Modification d'une relation finale 
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[TO COMPLETE]
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* Comment créer un utilisateur anonyme?
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  Cela vous permet d'acceder a votre site sans avoir besoin de vous authentifier.
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  Dans le fichier ``all-in-one.conf`` de votre instance, définir l'utilisateur
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  anonyme en initilisant les valeurs des variables suivantes ::
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    # login of the Erudi user account to use for anonymous user (if you want to
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    # allow anonymous)
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    anonymous-user=anon
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    # password of the Erudi user account matching login
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    anonymous-password=anon
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  Vous devez aussi vous assurer que cet utilisateur `anon` existe dans la base
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  de données, le plus simple étant de s'identifier sur votre application en
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  administrateur et de rajouter l'utilisateur `anon` via l'interface d'administration.
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* Quelle est la différence entre `AppRsetObject` et `AppObject` ?
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  La différence entre la classe `AppRsetObject` et la classe `AppObject` est que
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  les instances de la premières sont séléctionnées pour une requête et un "result
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  set" et alors que les secondes ne sont séléctionnées qu'en fonction de leur
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  identifiant.