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From "Yonik Seeley (JIRA)" <>
Subject [jira] [Updated] (SOLR-10939) JoinQParser gives incorrect results with numeric PointsFields
Date Fri, 04 Aug 2017 15:11:00 GMT


Yonik Seeley updated SOLR-10939:
    Attachment: SOLR-10939.patch

Here's a patch that refactors and reuses the graph points collector for join.
I also made some changes to the join test:
1) if Points are selected, then docValues must be enabled (an exception is thrown otherwise)
2) removed testing joins across incompatible fields (for example matching an int field to
a text field won't result in any matches)

> JoinQParser gives incorrect results with numeric PointsFields
> -------------------------------------------------------------
>                 Key: SOLR-10939
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Hoss Man
>            Assignee: Yonik Seeley
>            Priority: Blocker
>              Labels: numeric-tries-to-points
>             Fix For: 7.0
>         Attachments: SOLR-10939.patch
> If you try to use the {{\{!join\}}} QParser with numeric points fields, you will get
silently incorrect results.
> The underlying root cause seems to be that JoinQParser's JoinQuery assumes every field
it's dealing with has indexed terms. (AFAICT it won't even work with {{indexed="false" docValues="true"}}
Trie fields????)

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