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