The MM parameter is specific to the handler you set up/use, so it's
really on a per collection basis. Different collections can specify
this however they want.

Or I misunderstand what you're asking..

Best,
Erick

On Thu, Apr 2, 2015 at 8:59 AM, Davis, Daniel (NIH/NLM) [C]
<daniel.da...@nih.gov> wrote:
> Can the mm parameter be set per clause?    I guess I've ignored it in the 
> past aside from setting it once to what seemed like a reasonable value.
> That is probably replicated across every collection, which cannot be ideal 
> for relevance.
>
> -----Original Message-----
> From: Shawn Heisey [mailto:apa...@elyograg.org]
> Sent: Thursday, April 02, 2015 11:13 AM
> To: solr-user@lucene.apache.org
> Subject: Re: edismax operators
>
> On 4/2/2015 8:35 AM, Mahmoud Almokadem wrote:
>> Thank you Jack for your clarifications. I used regular defType and set
>> q.op=AND so all terms without operators are must. How can I use this
>> with edismax?
>
> The edismax parser is capable of much more granularity than simply AND/OR on 
> the default operator, through the mm parameter.  If you set q.op to AND, the 
> mm parameter will be set to 100%.  The mm parameter is EXTREMELY flexible.
>
> https://wiki.apache.org/solr/ExtendedDisMax#mm_.28Minimum_.27Should.27_Match.29
>
> Thanks,
> Shawn
>

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