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https://issues.apache.org/jira/browse/SOLR-11865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456470#comment-16456470
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Bruno Roustant commented on SOLR-11865:
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Actually the TrieSubsetMatcher introduced by the next patch does not support
keepElevationPriority. If keepElevationPriority=true, this matcher is replaced
by another, which keeps the order but which is less efficient. And this is done
at component initialization time, in the inform() method (in
loadElevationProvider()).
So I think it cannot be a query param because it is fixed in the data structure
at initialization time.
> Refactor QueryElevationComponent to prepare query subset matching
> -----------------------------------------------------------------
>
> Key: SOLR-11865
> URL: https://issues.apache.org/jira/browse/SOLR-11865
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SearchComponents - other
> Affects Versions: master (8.0)
> Reporter: Bruno Roustant
> Priority: Minor
> Labels: QueryComponent
> Fix For: master (8.0)
>
> Attachments:
> 0001-Refactor-QueryElevationComponent-to-introduce-Elevat.patch,
> 0002-Refactor-QueryElevationComponent-after-review.patch,
> 0003-Remove-exception-handlers-and-refactor-getBoostDocs.patch,
> SOLR-11865.patch
>
>
> The goal is to prepare a second improvement to support query terms subset
> matching or query elevation rules.
> Before that, we need to refactor the QueryElevationComponent. We make it
> extendible. We introduce the ElevationProvider interface which will be
> implemented later in a second patch to support subset matching. The current
> full-query match policy becomes a default simple MapElevationProvider.
> - Add overridable methods to handle exceptions during the component
> initialization.
> - Add overridable methods to provide the default values for config properties.
> - No functional change beyond refactoring.
> - Adapt unit test.
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