[jira] [Created] (SOLR-7327) DefaultSolrHighlighter should lazily create a FVH FieldQuery.

["David Smiley (JIRA)" <ji...@apache.org>]

David Smiley created SOLR-7327:
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             Summary: DefaultSolrHighlighter should lazily create a FVH FieldQuery.
                 Key: SOLR-7327
                 URL: https://issues.apache.org/jira/browse/SOLR-7327
             Project: Solr
          Issue Type: Improvement
          Components: highlighter
            Reporter: David Smiley
            Assignee: David Smiley
            Priority: Minor


DefaultSolrHighlighter switches between both the standard/default/classic Highlighter and the FastVectorHighlighter, depending on parameters and field options.  In doHighlighting(), it loops over the docs, then loops over the highlighted fields, then decides to use one highlighter or the other.  Outside of the doc loop it creates a FastVectorHighlighter instance (cheap) and a related FieldQuery object that may or may not be cheap.  fvh.getFieldQuery takes an IndexReader instance and it will be used for certain queries like MultiTermQuery (e.g. wildcards).  We shouldn't be doing this unless we know we'll actually need it -- it should be lazily constructed.



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