Thanks, niphlod and Anthony - some good suggestions and considerations mentioned there. niphlod - can you clarify why you recommend using separate tables specifically for large files (to prevent users from having to re-upload large files when forms aren't accepted?)? The async idea sounds pretty good, although it would require a pretty considerable rewrite of a lot of the code I have...
On Thursday, March 28, 2013 11:19:06 AM UTC-5, Niphlod wrote: > > It's a bad design choice using a single table with lots of fields plus an > attachment (if the attachment is large). > I always store attachments in a separate table. > > That being said, I don't think that keepvalues will do the trick, cause > basically keepvalues sends back to the client the contents and prefills the > field ... throwing the file back to the client doesn't **sound smart**. > However, it's a chicken-and-egg problem.... let's say you want to upload a > picture, you require the picture to have a tag, but the user forgets > it..... in this case, retaining in some way the file can be done... > But let's say you want the file to end with .txt only ..... the .exe file > should be discarded at all. > It's up to you to provide logic consistent with the workflow you want for > your users ..... > /me would provide an async upload, store the id on the session and let the > user play with the remaining fields in a form. > Everyday I'd prune all the attachments received with no "remaining fields" > attached. > > On Thursday, March 28, 2013 5:08:24 PM UTC+1, Lamps902 wrote: >> >> When a form has errors, the value of an upload field is reset upon >> submission. Is there a way to retain this value, or does this pretty much >> have to be handled manually (i.e. by storing the value of the upload field >> or by prompting the user to specify the file again)? >> > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
