Mike,
Have you looked into using cfimage tag to reference, render, or manipulate BLOB 
data?  If I recall, you can directly feed a database call into a cfimge tag.

Cheers,
Teddy

Sent from my iPad

On Apr 1, 2013, at 4:12 PM, Mike Staver <sta...@fimble.com> wrote:

> I've been thinking about keeping all user-uploaded images in the DB for one 
> of my projects. I know how I will work the process to get them into the DB 
> and keep them off the hard drive. It would go something like:
> 
> 1) Image uploaded to temp file system location from form post.
> 
> 2) Image inserted into DB as blob.
> 
> 3) Temp image removed from file system.
> 
> Displaying the images is a bit more work I think. I assume I'd have to follow 
> a similar process in reverse:
> 
> 1) Extract image from DB to temp file system location.
> 
> 2) Display it in HTML via web server as img tag.
> 
> 3) Remove image after a certain period of time...
> 
> Step 3 has me wondering: How long should I wait before removing the image 
> from the file system? Meaning - in theory, I could remove the image before it 
> would even have a chance to display via the web server, and I don't want 
> that. Anybody have a good process to do this already? I'd love if there was a 
> way to display an image directly from the DB, but I'm not aware of such a 
> method. I'll probably just fall back on leaving those images on the file 
> system as part of the display, and have my code check for their existence 
> before retrieving them again. I didn't want to have to worry about the disk 
> space, but I can't think of another way.
> 
> 
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