[jira] [Commented] (SOLR-4905) Cross core joins don't work for SolrCloud collections and/or aliases

["Utkarsh Sengar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-4905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13737585#comment-13737585 ] 

Utkarsh Sengar commented on SOLR-4905:
--------------------------------------

@Chris I have solrcloud 4.4 running with 3 shards and 2 cores. A cross-core join does not work even when cores are created during the bootstrap time. 

This is my query:
http://SOLR_SERVER/solr/merchant/select?q={!join from=merchantId to=merchantId fromIndex=deals}apple

This query returns no documents, full response with debugQuery=true: http://apaste.info/uHOw

But both of my cores have a common merchantId when I query for "apple". So I think this problem is a general problem in solrcloud.
                
> Cross core joins don't work for SolrCloud collections and/or aliases
> --------------------------------------------------------------------
>
>                 Key: SOLR-4905
>                 URL: https://issues.apache.org/jira/browse/SOLR-4905
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Philip K. Warren
>
> 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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