Thanks Jay for the quick reply.

Maybe we can set up a dev env with trunk and use JOIN.

Is JOIN a good use case for this ?

On 11 June 2011 15:28, Jay Luker <lb...@reallywow.com> wrote:
> You are correct that ExternalFileField values can only be used in
> query functions (i.e. scoring, basically). Sorry for firing off that
> answer without reading your use case more carefully.
>
> I'd be inclined towards giving your Option #1 a try, but that's
> without knowing much about the scale of your app, size of your index,
> documents, etc. Unneeded field updates are only a problem if they're
> causing performance problems, right? Otherwise, trying to avoid seems
> like premature optimization.
>
> --jay
>
> On Sat, Jun 11, 2011 at 5:26 AM, lee carroll
> <lee.a.carr...@googlemail.com> wrote:
>> Hi Jay
>> I thought external file field could not be returned as a field but
>> only used in scoring.
>> trunk has pseudo field which can take a function value but we cant
>> move to trunk.
>>
>> also its a more general question around schema design, what happens if
>> you have several fields with different update frequencies. It does not
>> seem external file field is the use case for this.
>>
>>
>>
>> On 10 June 2011 20:13, Jay Luker <lb...@reallywow.com> wrote:
>>> Take a look at ExternalFileField [1]. It's meant for exactly what you
>>> want to do here.
>>>
>>> FYI, there is an issue with caching of the external values introduced
>>> in v1.4 but, thankfully, resolved in v3.2 [2]
>>>
>>> --jay
>>>
>>> [1] 
>>> http://lucene.apache.org/solr/api/org/apache/solr/schema/ExternalFileField.html
>>> [2] https://issues.apache.org/jira/browse/SOLR-2536
>>>
>>>
>>> On Fri, Jun 10, 2011 at 12:54 PM, lee carroll
>>> <lee.a.carr...@googlemail.com> wrote:
>>>> Hi,
>>>> We have a document type which has fields which are pretty static. Say
>>>> they change once every 6 month. But the same document has a field
>>>> which changes hourly
>>>> What are the best approaches to index this document ?
>>>>
>>>> Eg
>>>> Hotel ID (static) , Hotel Description (static and costly to get from a
>>>> url etc), FromPrice (changes hourly)
>>>>
>>>> Option 1
>>>> Index hourly as a single document and don't worry about the unneeded
>>>> field updates
>>>>
>>>> Option 2
>>>> Split into 2 document types and index independently. This would
>>>> require the front end application to query multiple times?
>>>> doc1
>>>> ID,Description,DocType
>>>> doc2
>>>> ID,HotelID,Price,DocType
>>>>
>>>> application performs searches based on hotel attributes
>>>> for each hotel match issue query to get price
>>>>
>>>>
>>>> Any other options ? Can you query across documents ?
>>>>
>>>> We run 1.4.1, we could maybe update to 3.2 but I don't think I could
>>>> swing to trunk for JOIN feature (if that indeed is JOIN's use case)
>>>>
>>>> Thanks in advance
>>>>
>>>> PS Am I just worrying about de-normalised data and should sort the
>>>> source data out maybe by caching and get over it ...?
>>>>
>>>> cheers Lee c
>>>>
>>>
>>
>

Reply via email to