[rules-users] Re: Drools indexing

Mark Proctor mproctor at codehaus.org
Wed Oct 15 15:41:39 EDT 2008


Senlin Liang wrote:
> One more question: does drools index intermediate results (such as the
> inserted objects in actions)?
>   
Any inserted object used in == constraints is indexed for that constraint.
> Is there any cost-based optimization for queries?
>   
no
> Thanks
>
> On Wed, Oct 15, 2008 at 9:10 AM, Senlin Liang <senlin.liang at gmail.com> wrote:
>   
>> Hi all,
>>
>> I got one question: How does drools index the objects in memory? Does
>> it use hashing index, based on what? Or drools uses adaptive indexing?
>>
>> Thanks a lot,
>> Senlin
>>
>>     
>
>
>
>   

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