Re: DBmail webmail app

On 6/4/2007, "Michael Monnerie"
<michael.monnerieit-management.at>
wrote:

>On Montag, 4. Juni 2007 Tom Allison wrote:
>> So if I add one line at the end of a word doc, this
will be
>> considered to be the same file unless the file
format includes
>> something unique within the first 8MB of the file?
>
>No, as the size is also used for the primary key.
>

But I thing I made my point...
Appending or Editing documents can cause problems.

trons100:/home/rzlsnk $ ls -l test1 test2
-rw-r--r--   1 rzlsnk   gm            32 Jun  4 12:57 test1
-rw-r--r--   1 rzlsnk   gm            32 Jun  4 12:57 test2

trons100:/home/rzlsnk $ cat test1 test2
Any users may request that they
All users shall be required to
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On Mon, Jun 4, 2007, tomtacocat.net said:

> 
> On 6/4/2007, "Michael Monnerie"
<michael.monnerieit-management.at>
> wrote:
> 
>>On Montag, 4. Juni 2007 Tom Allison wrote:
>>> So if I add one line at the end of a word doc,
this will be
>>> considered to be the same file unless the file
format includes
>>> something unique within the first 8MB of the
file?
>>
>>No, as the size is also used for the primary key.
>>
> 
> But I thing I made my point...
> Appending or Editing documents can cause problems.
> 
> trons100:/home/rzlsnk $ ls -l test1 test2
> -rw-r--r--   1 rzlsnk   gm            32 Jun  4 12:57
test1
> -rw-r--r--   1 rzlsnk   gm            32 Jun  4 12:57
test2
> 
> trons100:/home/rzlsnk $ cat test1 test2
> Any users may request that they
> All users shall be required to

Indeed, this seems pretty obvious. Whomever had pointed out
that the
hashes are all streaming functions, and therefore we can
generate the hash
on-the-fly while the messgae is arriving is also quiet
correct. The thing
I'm worried about is accurately catching MIME boundaries on
the fly, at
least not without some major refactoring of how messages are
currently
received.

Anyhow, I think on this thread we're at the point where it's
an
implementation detail and not a major issue. We could argue
forever about
which hash to use, but imho, as long as there's some sanity
in the
decision, whomever writes that code gets to decide what gets
written.

Aaron
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