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https://issues.apache.org/jira/browse/SOLR-10114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mano Kovacs updated SOLR-10114:
-------------------------------
    Attachment: SOLR-10114-test-cleanup.patch

Failed to upload the latest patch yesterday, attaching cleanup patch.

> child documents lack _version_, susceptible to reordered delete-by-query 
> -------------------------------------------------------------------------
>
>                 Key: SOLR-10114
>                 URL: https://issues.apache.org/jira/browse/SOLR-10114
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: 4.5
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>             Fix For: master (7.0)
>
>         Attachments: SOLR-10114.patch, SOLR-10114.patch, 
> SOLR-10114-test-cleanup.patch, SOLR-10114-validation.patch
>
>
> It looks like when a block of documents is indexed, child documents get no 
> \_version\_ field.  This means (among other potential issues) that a 
> delete-by-query that is reordered will cause matching child documents to be 
> deleted.  DBQ normally prevents deleting newer docs by including a 
> restriction on \_version\_, which doesn't work for anything lacking that 
> field.  Re-ordered delete-by-term of any child docs would also be affected 
> (although it should be a much rarer issue.)
> The leading candidate for a fix is to use the exact same \_version\_ for all 
> child docs.



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