[geeklog-devel] Draft of schema for GL2

[dwight at trumbower.com]

SQL Trees and such,"comments"

One of the "fathers" of SQL trees - Joe Celko.
http://www.ibase.ru/devinfo/DBMSTrees/sqltrees.html

Another decent article.
http://www.sqlteam.com/item.asp?ItemID=8866


> I didn't look at slashcode.  But most other CMSs I looked at just grab
> all the comments from the DB and use a recursive php algorithm.  I
> didn't see any that had an efficient (or smart) way of grabbing
> comments.
>
> The implementation is original, the algorithm was spelled out in a
> couple different places with slight variations in the details.
>
> -Vinny
>
>
> On Thu, 16 Dec 2004 13:35:07 -0600, Tony Bibbs <tony at tonybibbs.com> wrote:
>> Vincent Furia wrote:
>>
>> >Yes.  If you look in the geeklog code for calls to SEC_inGroup() it is
>> >really only used for the  Root group.  Most of the other instance
>> >where it is used it is used against a group id variable.  The
>> >remainder I would argue are redundant if we better respected
>> >privileges in 1.3.x.  I'd recommend a "isRoot" function, but I think
>> >"inGroup" is really not needed except when actually administering
>> >group membership.
>> >
>> >
>> Ok, I say we yank it...adding that column in if deemed appropriate isn't
>> too hard.
>>
>> >Better names for those columns wouldn't hurt, I just couldn't come up
>> >with anything better when I was implementing it in 1.3.x.  I looked
>> >around at other algorithms when I was first looking into improving the
>> >performance of comments and didn't find anything better.  If you do
>> >find something let me know.  This was, by far, the best I found.  The
>> >biggest downside is that I had to lock the table during inserts, but
>> >that is really OBE since we can use transactions.
>> >
>> >
>> Was this an original implementation or was it one you borrowed from
>> someplace?  WTF does slashcode use...you'd think they'd have to have
>> this issue nailed down by now.
>>
>> --Tony
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