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Posted to issues@solr.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2026/09/18 17:30:00 UTC
[jira] [Commented] (SOLR-18441) Add Global Ordinals Join Query Parser (`{!globalOrdinalsJoin}`) for single-index, single-field joins
[ https://issues.apache.org/jira/browse/SOLR-18441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18116819#comment-18116819 ]
ASF subversion and git services commented on SOLR-18441:
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Commit 7af2582a075f22de6a41a6a7032172c27bca70c7 in solr's branch refs/heads/main from Mikhail Khludnev
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=7af2582a075 ]
SOLR-18441: `{!globalOrdinalsJoin ..}..` QParser - single index, single field (#4881)
Co-authored-by: copilot-swe-agent[bot] <19...@users.noreply.github.com>
Co-authored-by: mkhludnev <80...@users.noreply.github.com>
> Add Global Ordinals Join Query Parser (`{!globalOrdinalsJoin}`) for single-index, single-field joins
> ----------------------------------------------------------------------------------------------------
>
> Key: SOLR-18441
> URL: https://issues.apache.org/jira/browse/SOLR-18441
> Project: Solr
> Issue Type: New Feature
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Implement a new Query Parser plugin for Solr that brings Lucene's JoinUtil global ordinals join capability. This feature enables efficient query-time joins within a single index using global ordinals over a shared single-valued string docValues field.
> Use Cases:
> Join parent-child document relationships using global ordinals for better performance than traditional joins
> Support bidirectional joins (from parent to child, and child to parent)
> Enable score mode selection (None, Avg, Max, Min, Total) for join result scoring
> Scope: This implementation is limited to:
> Single index (joins within the same index)
> Single field (both "from" and "to" sides join on the same field)
> String docValues fields (single-valued only)
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