[jira] [Created] (SOLR-10047) Mismatched Docvalue segments cause exception in Sorting/Facting; Uninvert per segment

["Keith Laban (JIRA)" <ji...@apache.org>]

Keith Laban created SOLR-10047:
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             Summary: Mismatched Docvalue segments cause exception in Sorting/Facting; Uninvert per segment
                 Key: SOLR-10047
                 URL: https://issues.apache.org/jira/browse/SOLR-10047
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Keith Laban


The configuration of UninvertingReader in SolrIndexSearch creates a global mapping for the directory for fields to uninvert. If docvalues are enabled on a field the creation of a new segment will cause the query to fail when faceting/sorting on the recently docvalue enabled field. This happens because the UninvertingReader is configured globally across the entire directory, and a single segment containing DVs for a field will incorrectly indicate that all segments contain DVs.

This patch addresses the incorrect behavior by determining the fields to be uninverted on a per-segment basis.

With the fix, it is still recommended that a reindexing occur as data loss will when a DV and non-DV segment are merged, SOLR-10046 addresses this behavior. This fix is to be a stop gap for the time between enabling docvalues and the duration of a reindex. 



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