[dev] Permissions inheritance

[Jan Schneider]

Zitat von Richard Wallace <rwallace at thewallacepack.net>:

> Jan Schneider wrote:
>> Zitat von Richard Wallace <rwallace at thewallacepack.net>:
>>
>>> Chuck Hagenbuch wrote:
>>>
>>>> Quoting Richard Wallace <rwallace at thewallacepack.net>:
>>>>
>>>>> Is there anyway to optimize this, maybe by loading all the parent
>>>>> permissions in one shot with a single call to the datatree?
>>>>
>>>>
>>>>
>>>> You should be able to load everything with a datatree::get() call 
>>>> starting at
>>>> the root ('-1').
>>>>
>>>
>>> I had thought about that, but that would load all permissions for
>>> everything, wouldn't it?  I guess I was hoping more for something to do
>>> the reverse, that is, starting with a node load its attributes and it's
>>> parents, rather than starting with a node and loading all the children.
>>
>>
>> Something like DataTree::getParents()?
>
> No, I'm using DataTree::getParentList() right now to get a list of
> parents and then do the permissions check.  The problem with that is
> that there is a separate query to the database for each parent in the
> list which could become a performance problem.  What I want is something
> to extract all the information needed in one shot.  I'll have to look at
> the DataTree more carefully to determine if this is possible (I can't
> imagine it wouldn't be, I'd just have to copy the DataTree::getParents()
> method and expand it to get information other than just the names and
> ids of the parents, right?).

Or take the IDs from getParents and feed them to getObjects(). If I'm not
wrong this should be two queries only.

Jan.

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