Re: no Search results for 3 Char From String

Hi Ellie,

Quoting ellie timoney <[email protected]>:

> Hi Michael,
>
> On Mon, 26 Aug 2024, at 9:59 PM, Michael Menge wrote:
>> Is this a bug or intended behavior? Did i miss an config Option
>>
>> We are using squatter search engine with cyrus 3.4.9
>
> I think this is intended behaviour.  Have a look at this from imap/squat.h:
>
> https://github.com/cyrusimap/cyrus-imapd/blob/cyrus-imapd-3.4/imap/squat.h#L114-L120
> /* Don't change this unless you're SURE you know what you're doing.
>    Its only effect on the API is that searches for strings that are
>    shorter than SQUAT_WORD_SIZE are not allowed.
>    In SQUAT, a 'word' simply refers to a string of SQUAT_WORD_SIZE
>    arbitrary bytes.
> */
> #define SQUAT_WORD_SIZE 4
>
> There isn't a config option, but if you really want 3 char searches  
> to work, I suppose you could change that define,  
> recompile/reinstall, and probably rebuild search indexes.  I have no  
> idea what the ramifications of doing this would be, nor how the  
> default value of 4 was chosen.  Looks like this define has always  
> been 4 since squat db support was first added.  I guess indexes  
> would probably get bigger, but who knows by how much.
>

thanks for finding this. But if the search string is less than the  
SQUAT_WORD_SIZE
i would expect a "BAD" reply e.g. "BAD search string too short" or  
"BAD arguments invalid"
not an "OK Completed"

===
a SEARCH FROM "udo"
* SEARCH
a OK Completed (0 msgs in 0.150 secs)
===

See https://datatracker.ietf.org/doc/html/rfc3501#section-6.4.4 and
     https://datatracker.ietf.org/doc/html/rfc9051#section-6.4.4

Kind regards

   Michael



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