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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-4465) Configurable Collectors
Date Mon, 18 Mar 2013 19:04:16 GMT

     [ https://issues.apache.org/jira/browse/SOLR-4465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joel Bernstein updated SOLR-4465:
---------------------------------

    Attachment: SOLR-4465.patch

Changed the CollectorSpec to hold a string->object map. 

Greg, hopefully this will help bring it in line with the grouping needs. The CollectorSpec
is used to pass parameters at query time to the collectors.

Also formalized the parameter passing to delegating collectors. Now you use both the name
and the ordinal in the parameter. For example:

cl.delegating=sum&cl.sum.0.column=price

This tells the "sum" collector at ordinal 0 to sum the column "price".

Will update the description of this ticket to have a detailed description of how pluggable
collectors work.
                
> Configurable Collectors
> -----------------------
>
>                 Key: SOLR-4465
>                 URL: https://issues.apache.org/jira/browse/SOLR-4465
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 4.1
>            Reporter: Joel Bernstein
>             Fix For: 4.3
>
>         Attachments: SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch,
SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch,
SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch, SOLR-4465.patch
>
>
> This issue is to add configurable custom collectors to Solr. This expands the design
and work done in issue SOLR-1680 to include:
> 1) CollectorFactory configuration in solconfig.xml
> 2) Http parameters to allow clients to dynamically select a CollectorFactory and construct
a custom Collector.
> 3) Make aspects of QueryComponent pluggable so that the output from distributed search
can conform with custom collectors at the shard level.

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