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Posted to dev@lucene.apache.org by "LI Geng (Commented) (JIRA)" <ji...@apache.org> on 2012/02/29 12:13:58 UTC
[jira] [Commented] (SOLR-1093) A RequestHandler to run multiple
queries in a batch
[ https://issues.apache.org/jira/browse/SOLR-1093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219099#comment-13219099 ]
LI Geng commented on SOLR-1093:
-------------------------------
What's the current state of this issue? I'm interested in co-working on it.
> 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
> Assignee: Simon Willnauer
> Fix For: 3.6, 4.0
>
>
> 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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