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From Jan Høydahl / Cominvent <>
Subject Re: how to create a custom type in Solr
Date Fri, 06 Aug 2010 15:49:11 GMT
Your use case can be solved by splitting the range into two int's:

Document: {title: My document, from: 8000, to: 9000}
Query: q=title:"My" AND (from:[* TO 8500] AND to:[8500 TO *])

Jan Høydahl, search solution architect
Cominvent AS -
Training in Europe -

On 6. aug. 2010, at 17.02, Thomas Joiner wrote:

> I need to have a field that supports ranges...for instance, you specify a
> range of 8000 to 9000 and if you search for 8500, it will hit.  However,
> when googling, I really couldn't find any resources on how to create your
> own field type in Solr.
> But from what I was able to find, the AbstractSubTypeFieldType class seems
> like a good starting point for the type that I want to make, however that
> isn't in the current version of Solr that I am using (1.4.1).  So I guess my
> question is: is Solr 3.0 ready for production?  If so, how do I get it? Do I
> just need to checkout the code from svn and build it myself?  If so should I
> just check out the latest, or is there a particular branch that I should go
> with that is reliable?  If I switch to 3.0, will I need to reindex my data,
> or has the data format not changed?
> And if 3.0 isn't ready for production, what would you suggest I do?  Is the
> AbstractSubTypeFieldType such that I can backport it and use it with 1.4.1,
> or does it use specific features of 3.0 that I would have to backport as
> well, in which case it would become a horribly convoluted mess where I would
> be better off just going with 3.0.  And I guess this comes back to help on
> finding resources about implementing custom would just be more
> complicated if I couldn't use the AbstractSubTypeFieldType.
> (This is my first time posting to a mailing list, so if I have violated
> horribly some etiquette of mailing lists, please tell me).
> Regards,
> Thomas

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