Christine Poerschke created SOLR-16111:
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Summary: hl.queryFieldPattern support (advanced alternative to
hl.requireFieldMatch)
Key: SOLR-16111
URL: https://issues.apache.org/jira/browse/SOLR-16111
Project: Solr
Issue Type: New Feature
Components: highlighter
Reporter: Christine Poerschke
Assignee: Christine Poerschke
Use case: a search referencing multiple fields and highlighting is required for
one of the fields: {{q=fieldA:one OR fieldB:two OR fieldC:three}}
{{hl.fl=fieldA}}
* {{hl.requireFieldMatch=true}} can be used if highlighting of the terms
("two", "three") from the fieldB and fieldC is a problem.
* {{hl.q=fieldA:one OR fieldB:two}} can be used if highlighting of the fieldB
term is good but fieldC terms are a problem.
_New feature:_ {{hl.queryFieldPattern=fieldA,fieldB}} as an alternative to
{{hl.q=fieldA:one OR fieldB:two}} e.g. if obtaining {{hl.q}} from {{q}} poses
complexity.
There's already a TODO comment present in the code regarding this:
https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.11.1/solr/core/src/java/org/apache/solr/highlight/UnifiedSolrHighlighter.java#L418
{code}
// TODO define hl.queryFieldPattern as a more advanced alternative to
hl.requireFieldMatch.
{code}
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