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From "Shalin Shekhar Mangar (JIRA)" <>
Subject [jira] Commented: (SOLR-939) ValueSourceRangeFilter/Query
Date Thu, 05 Mar 2009 18:23:56 GMT


Shalin Shekhar Mangar commented on SOLR-939:

bq. Right - it made sense to me to go through the FunctionQuery/ValueSource abstraction to
do range filters, as it's a superset of just going off of the FieldCache (it could work with
functions, FileFloatSource, and future payload or column-stored fields too).

Very cool!

bq. It would be nice if one could tag a field with info to use ValueSourceRangeFilter for
any range queries

As an extra attribute in the schema? e.g.
<field name="xyz" type="integer" indexed="true" stored="true" useValueSourceRangeFilter="true"

+1 for this. It is easier/cleaner than the local param syntax but I guess we'd need to support
both anyway. Solrj does not have API methods to manipulate local params and I think this is
a good time to add that support.

bq. I've been meaning to get back to this patch... at a minimum it would need support for
all of the field types as well as tests. I think I may even have some local updates since
this last patch - I'll have to check.

Can you post your updates? SOLR-940 (Trie support) is mostly done and I can try to spend some
time on this one. Per the 1.4 release discussion, these two are the major features stopping
the 1.4 release, though I'm sure we'll find more :)

> ValueSourceRangeFilter/Query
> ----------------------------
>                 Key: SOLR-939
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>             Fix For: 1.4
>         Attachments: SOLR-939.patch
> Ability to do a range query based on a FieldCache entry or a FunctionQuery (ValueSource).
> Equivalent to Lucene's FieldCacheRangeQuery

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