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https://issues.apache.org/jira/browse/SOLR-1093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15311062#comment-15311062
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Erick Erickson commented on SOLR-1093:
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There is almost no chance that a patch created 3+ years ago will apply to a
recent version of Solr. The best you'll be able to do would be to get the code
from when the patch was fresh, try to understand it and then figure out what
equivalent possibilities are in the new code.
First I'd ask on the user's list if there's a decent alternative that's come up
in the last three years.
> A RequestHandler to run multiple queries in a batch
> ---------------------------------------------------
>
> Key: SOLR-1093
> URL: https://issues.apache.org/jira/browse/SOLR-1093
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Noble Paul
> Attachments: SOLR-1093.patch
>
>
> It is a common requirement that a single page requires to fire multiple
> queries .In cases where these queries are independent of each other. If there
> is a handler which can take in multiple queries , run them in paralll and
> send the response as one big chunk it would be useful
> Let us say the handler is MultiRequestHandler
> {code}
> <requestHandler name="/multi" class="solr.MultiRequestHandler"/>
> {code}
> h2.Query Syntax
> The request must specify the no:of queries as count=n
> Each request parameter must be prefixed with a number which denotes the query
> index.optionally ,it may can also specify the handler name.
> example
> {code}
> /multi?count=2&1.handler=/select&1.q=a:b&2.handler=/select&2.q=a:c
> {code}
> default handler can be '/select' so the equivalent can be
> {code}
> /multi?count=2&1.q=a:b&2.q=a:c
> {code}
> h2.The response
> The response will be a List<NamedList> where each NamedList will be a
> response to a query.
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