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Posted to dev@lucene.apache.org by "Mikhail Khludnev (JIRA)" <ji...@apache.org> on 2016/08/29 07:09:20 UTC

[jira] [Updated] (SOLR-9448) [subquery] can't pull fields from SolrCloud collection if it has a differently named uniqueKey

     [ https://issues.apache.org/jira/browse/SOLR-9448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Khludnev updated SOLR-9448:
-----------------------------------
    Description: 
straightforward \[subquery] implementation executes requests on a caller collection, but just hitting another one with {{caller/select?q=..&collection=callee }}. The problem is that for {{GET_FIELDS}} it uses uniqKey from a caller collection but not a callee one. Another observation, at that case both single sharded collections are collocated at the same instance. Then, subquery can't be parsed if it queries a field which are absent in caller schema. All of this seems pretty strange like hitting an edge case. 

h2. workaround    
Perhaps you can collocate secondary index and call it {{fromIndex=callee}}.
Or you can name uniqKey the same, keeping the different app semantic.
 

  was:
straightforward \[subquery] implementation executes requests on a caller collection, but just hitting another one with {{caller/select?q=..&collection=callee }}. The problem is that for {{GET_FIELDS}} it uses uniqKey from a caller collection but not a callee one. 

h2. workaround    
Perhaps you can collocate secondary index and call it {{fromIndex=callee}}.
Or you can name uniqKey the same, keeping the different app semantic.
 


> [subquery] can't pull fields from SolrCloud collection if it has a differently named uniqueKey
> ----------------------------------------------------------------------------------------------
>
>                 Key: SOLR-9448
>                 URL: https://issues.apache.org/jira/browse/SOLR-9448
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 6.1, 6.2
>            Reporter: Mikhail Khludnev
>            Assignee: Mikhail Khludnev
>
> straightforward \[subquery] implementation executes requests on a caller collection, but just hitting another one with {{caller/select?q=..&collection=callee }}. The problem is that for {{GET_FIELDS}} it uses uniqKey from a caller collection but not a callee one. Another observation, at that case both single sharded collections are collocated at the same instance. Then, subquery can't be parsed if it queries a field which are absent in caller schema. All of this seems pretty strange like hitting an edge case. 
> h2. workaround    
> Perhaps you can collocate secondary index and call it {{fromIndex=callee}}.
> Or you can name uniqKey the same, keeping the different app semantic.
>  



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