dovecot - Jul 2006 - Quota with dict backend - sql does not get registered

Hello everyone,

I've been working with the quota plugin, attempting to use the dict
backend. It seems the sql dict class is not getting loaded. I dropped a
couple lines in dict_class_lookup(dict.c) and it seems the only class
that gets loaded is "proxy". Any idea how to get the sql driver to
load
in the quota/dict module?

My authentication goes through the sql module and is working perfectly,
so I know that the module and db are talking in general.

I've scoured the documentation and dug through the code but I can't seem
to discover the solution. There is "Dynamic SQL drivers" in the
compiling from source section:

http://wiki.dovecot.org/CompilingSource#line-158

I compiled the driver_mysql.so, copied it to lib/dovecot/, symlinked it
into auth/, imap/, pop3/ and lda/, then tried-- but it still only showed
"proxy" as being loaded. After that I added it to the mail_plugins
list,

mail_plugins = driver_mysql quota

but it didn't like that and spat out some linking errors:

Edlopen(/usr/local/dovecot-1.0.rc2/lib/dovecot/imap/driver_mysql.so)
failed: /usr/local/dovecot-1.0.rc2/lib/dovecot/imap/driver_mysql.so:
undefined symbol: sql_not_connected_result

So, where do I go from here? Any insights would be appreciated and I'll
keep digging. 

Regards,

David

On Fri, 2006-07-28 at 15:56 -0700, David Jonas wrote:
> Hello everyone,
> 
> I've been working with the quota plugin, attempting to use the dict
> backend. It seems the sql dict class is not getting loaded. I dropped a
> couple lines in dict_class_lookup(dict.c) and it seems the only class
> that gets loaded is "proxy". Any idea how to get the sql driver
to load
> in the quota/dict module?
I added the code to load the driver in src/imap/main.c following the
example from dict-client registration. Modified the Makefile, etc, got
it to compile. But it seg faults when imap is run. Traced it to
src/lib-dict/dict-sql.c:

/* @UNSAFE */
drivers = array_get(&sql_drivers, &count);
dict_sql_classes = i_new(struct dict, count + 1);

So, the comments don't lie. It is unsafe. Looks like that is why the
dict-server is the default with the proxy backend only. I guess I'll
poke around more. Advice on how to skirt this would be appreciated.

Was all this already talked about on the list, hence no reply? I
couldn't find anything...

David