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https://issues.apache.org/jira/browse/SOLR-8370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15586716#comment-15586716
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Jan Høydahl commented on SOLR-8370:
-----------------------------------
bq. They should be the same as far as I can tell.
I disagree. It is an important distinction whether
{{SchemaSimilarityFactory(PerFieldSimilarityWrapper)}}, with a default of
{{DFRSimilarityFactor}}, compared to if you explicitly set
{{DFRSimilarityWrapper}} as the only global similarity without support for
per-field. So the output is exactly as I wish :) That was why I think that
"Default" was a reasonable lead text for what {{PerFieldSimilarityWrapper}}
will use as default similarity for fields that don't have an explicit override.
One option I was thinking about is to make SchemaSimilarityFactory's
PerFieldSimilarityFactory a named class instead of an anonymous inner class:
{code}
class SchemaFieldSimilarity extends PerFieldSimilarityWrapper { ... }
{code}
Then the print from the global sim would instead be printing the name of the
Similarity, not the factory:
{code}
"similarity":{
"className":"org.apache.solr.search.similarities.SchemaFieldSimilarity",
"details":"SchemaFieldSimilarity. Default: DFR I(F)B3(900.0)"},
{code}
Naming of this class could be discussed. SolrPerFieldSimilarity,
SchemaSimilarity, SchemaFieldSimilarity, PerSchemaFieldSimilarityWrapper....
> Display Similarity Factory in use in Schema-Browser
> ---------------------------------------------------
>
> Key: SOLR-8370
> URL: https://issues.apache.org/jira/browse/SOLR-8370
> Project: Solr
> Issue Type: Improvement
> Components: UI
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Priority: Trivial
> Labels: newdev
> Fix For: 6.3, master (7.0)
>
> Attachments: SOLR-8370.patch, SOLR-8370.patch, SOLR-8370.patch,
> SOLR-8370.patch, SOLR-8370.patch, SOLR-8370.patch, SOLR-8370.patch,
> screenshot-1.png, screenshot-2.png, screenshot-3.png, screenshot-4.png,
> screenshot-5.png
>
>
> Perhaps the Admin UI Schema browser should also display which
> {{<similarity>}} that is in use in schema, like it does per-field.
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