[Dovecot] SQLite dovecot query caching

[Timo Sirainen]

On 13.7.2012, at 8.30, Dominic Malolepszy wrote:

>> It caches the passdb lookup. The cache key consists of the given %
>> variables in the SQL query. So if your SQL query doesn't contain %n/%u
>> then the cache doesn't add per-user entries.
> 
> I had a chance to play around with this in the lab. The cache hit appears to be returning values that should actually be ignored particularly the username for the previous cached entry. This is causing it to rewrite the username using what is in the cache.

The simplest solution would be to just not put username to cache, but I'm worried it might break something else.. So for now I don't think I'm going to change it.