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https://issues.apache.org/jira/browse/SOLR-15391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomas Eduardo Fernandez Lobbe updated SOLR-15391:
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Description:
When using "minExactCount" in queries sorted by a numeric field, Lucene can
skip over non-competitive docs, similarly to how it can in score based sorts,
but using point fields data (see LUCENE-9280). In 8.x (see LUCENE-9384) the
requirements for this to happen is that:
1. DocValues field and Point field must exist for the same name and with the
same data
2. SortField "canUsePoints" must be set to true.
#1 is guaranteed in Solr when using Point fields with indexed=true and
docValues=true
#2 means simply calling {{setCanUsePoints}} on the {{SortField}}s created for
the numeric fields
This is an 8.x thing only (for 9, this optimization should be already enabled)
was:
When using "minExactCount" in queries sorted by a numeric field, Lucene can
skip over non-competitive docs, similarly to how it can in score based sorts,
but using point fields data (see LUCENE-9280). In 8.x (see LUCENE-9384) the
requirements for this to happen is that:
1. DocValues field and Point field must exist for the same name and with the
same data
2. SortField "canUsePoints" must be set to true.
#1 is guaranteed in Solr when using Point fields with indexed=true and
docValues=true
#2 means simply calling \{{setCanUsePoints}} on the \{{SortField}}s created for
the numeric fields
This is an 8.x thing only (for 9, this optimization should be already enabled)
> Enable "canUsePoints" for PointFields in Solr
> ---------------------------------------------
>
> Key: SOLR-15391
> URL: https://issues.apache.org/jira/browse/SOLR-15391
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 8.9
> Reporter: Tomas Eduardo Fernandez Lobbe
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When using "minExactCount" in queries sorted by a numeric field, Lucene can
> skip over non-competitive docs, similarly to how it can in score based sorts,
> but using point fields data (see LUCENE-9280). In 8.x (see LUCENE-9384) the
> requirements for this to happen is that:
> 1. DocValues field and Point field must exist for the same name and with the
> same data
> 2. SortField "canUsePoints" must be set to true.
> #1 is guaranteed in Solr when using Point fields with indexed=true and
> docValues=true
> #2 means simply calling {{setCanUsePoints}} on the {{SortField}}s created for
> the numeric fields
> This is an 8.x thing only (for 9, this optimization should be already enabled)
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