[SOLVED but strange] What could happened to my SQLite store ?
[SOLVED but strange] What could happened to my SQLite store ?
- Subject: [SOLVED but strange] What could happened to my SQLite store ?
- From: Kubernan At 10191 Technologies <email@hidden>
- Date: Fri, 25 May 2007 00:13:01 +0200
The problem is solved, but i don't know why the solution works :
As i said my model is similar to groups and smart groups in cocoa
recipe sample. It means i have a abstract entity (say Folder) with
two inherited entities (say NormalFolder and SmartFolder).
In the XCode data modeler the two inherited entities (NormalFolder
and SmartFolder) are associated to a special configuration called
"preferences" and the abstract entity (Folder)
has no associated configuration.
My code plays with NormalFolder & SmartFolder.
This situation works well when i use NSXMLStoreType (the NormalFolder
and SmartFolder instances are displayed in the outline view) but
doesn't work
with NSSQLiteStoreType (given an empty outline view with **no** error
message in the log).
After setting the abstract entity (Folder) configuation to
"preferences", all works fine with NSSQLiteStoreType.
K.
Début du message réexpédié :
De : Kubernan At 10191 Technologies <email@hidden>
Date : 24 mai 2007 23:18:10 HAEC
À : email@hidden
Objet : What could happened to my SQLite store ?
Hello,
I have a very strange problem when i switch to different types of
persistent store :
- With NSXMLStoreType all works fine : my outline view displays the
objects.
- When i use NSSQLiteStoreType my outline view is empty !!
The outline view is bound to a NSTreeController which is populated
with objects similar to groups and smart groups in cocoa recipes
sample.
I do not use sort descriptor.
The groups and smart grous are displayed if i use NSXMLStoreType,
but if i use NSSQLiteStoreType there is nothing in the outline view.
Any idea about this problem ?
Regards,
K.
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