SQLite odd behavior

william humphrey bill at bluewatermaritime.com
Fri May 11 14:08:03 EDT 2012


I know that's what I thought. There is no sqlite file anywhere near that
file path and there are no SQLite files with the same name on this Mac.
That would have been "too easy" of an answer it seems.

On Fri, May 11, 2012 at 1:59 PM, Bob Sneidar <bobs at twft.com> wrote:

> Hmmm... Sounds like you are opening a copy of the database in Livecode.
>
> Bob
>
>
> On May 11, 2012, at 10:42 AM, william humphrey wrote:
>
> > In case this ever happens to someone else... I have a SQLite database
> that
> > I access with version 4.6.2 of livecode and now version 5.0. This
> Livecode
> > database is behaving like it has a secret section which can be written to
> > by LiveCode and read from by LiveCode but when you look at it with
> > SQLiteManager you don't see those changes (you also don't see those
> changes
> > when you look at it with vStudio).  Also, even more unpredictably,
> > sometimes you can write changes to the SQLite database which even
> LiveCode
> > in the same session can't see. You can add something to it with
> > SQLiteManager and that change is always visible in all three programs.
> Also
> > once I opened it up in LiveCode and it had rolled back to data three
> > month's old. This behavior is beyond me to figure out and since that is
> my
> > last stack that still uses SQLite I converted it to Valentina with the
> > vStudio application from Valentina that converts databases and now I'm
> > making many improvements in the stack which take advantage of Valentina's
> > features not the least of which is vServer.
> >
> > Anyway I'm not knowledgeable enough to figure out what's going on with
> > SQLite and I'm now going to stay away from SQLite as that was a pretty
> > scary data loss (of course I have back ups) in a working program in the
> > middle of a job. I'm also moving forward to LiveCode 5.5 which drops some
> > of the database query builder stuff I shouldn't have been using anyway.
> > Maybe the SQLite behavior had something to do with the Mac I was working
> on
> > version 10.6.8 so I upgraded that to  Lion. Since SQLite is basically
> just
> > a simple text file this behavior is possibly something to do with MacOS
> and
> > not LiveCode at all. I do my backups to drop box.
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