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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4905) Allow fromIndex parameter to JoinQParserPlugin to refer to a single-sharded collection that has a replica on all nodes
Date Tue, 27 Oct 2015 19:22:27 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977004#comment-14977004
] 

Yonik Seeley commented on SOLR-4905:
------------------------------------

bq. Is it worth to raise a jira to allow q-time join for collection with shards collocated

Not sure I understand... doesn't this already work?

> Allow fromIndex parameter to JoinQParserPlugin to refer to a single-sharded collection
that has a replica on all nodes
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4905
>                 URL: https://issues.apache.org/jira/browse/SOLR-4905
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Philip K. Warren
>            Assignee: Timothy Potter
>             Fix For: 5.1, Trunk
>
>         Attachments: SOLR-4905.patch, SOLR-4905.patch, patch.txt
>
>
> Using a non-SolrCloud setup, it is possible to perform cross core joins (http://wiki.apache.org/solr/Join).
When testing with SolrCloud, however, neither the collection name, alias name (we have created
aliases to SolrCloud collections), or the automatically generated core name (i.e. <collection>_shard1_replica1)
work as the fromIndex parameter for a cross-core join.



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