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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "HighlightingParameters" by YonikSeeley
Date Thu, 31 Mar 2011 21:50:26 GMT
Dear Wiki user,

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The "HighlightingParameters" page has been changed by YonikSeeley.
The comment on this change is: fix 1.5 references, remove broken link, fix some wikiwords.
http://wiki.apache.org/solr/HighlightingParameters?action=diff&rev1=28&rev2=29

--------------------------------------------------

- Solr provides a collection of [[http://lucene.apache.org/solr/api/org/apache/solr/highlight/package-summary.html|highlighting
utilities]] which can be reused by various Request Handlers to include "highlighted" matches
in field values. The SearchHandler takes advantage of these via the HighlightingComponent
which support the following parameters.
+ Solr provides a collection of [[http://lucene.apache.org/solr/api/org/apache/solr/highlight/package-summary.html|highlighting
utilities]] which can be reused by various Request Handlers to include "highlighted" matches
in field values. The SearchHandler takes advantage of these via the !HighlightingComponent
which support the following parameters.
  
  <<Anchor(HowToOverride)>>Some parameters may be overriden on a per-field basis
with the following syntax:
  
@@ -8, +8 @@

  
  eg. `f.contents.hl.snippets=2`
  
- [[http://hudson.zones.apache.org/hudson/job/Lucene-trunk/javadoc/all/org/apache/lucene/search/vectorhighlight/package-summary.html|FastVectorHighlighter]]
can be used <!> [[Solr1.5]]. Most of Highlighter's parameters make sense for FastVectorHighlighter,
however, some of them don't because of difference of architecture.
+ Since [[Solr3.1]], a termvector-based highlighter called !FastVectorHighlighter can be used.
Most of Highlighter's parameters make sense for !FastVectorHighlighter, however, some of them
don't because of the difference of architecture.  See the {{{hl.useFastVectorHighlighter}}}
parameter below.
  
  See also http://wiki.apache.org/solr/SolrConfigXml#The_Highlighter_plugin_configuration_section
  
@@ -24, +24 @@

  
  A '*' can be used to match field globs, e.g. 'text_*' or even '*' to highlight on all fields
where highlighting is possible. When using '*', consider adding hl.requireFieldMatch=true.
  
- If the specified field is termVectors=on, termPositions=on and termOffsets=on, DefaultSolrHighlighter
uses FastVectorHighlighter if the hl.useFastVectorHighlighter parameter set to on.
+ If the specified field is termVectors=on, termPositions=on and termOffsets=on, !DefaultSolrHighlighter
uses !FastVectorHighlighter if the hl.useFastVectorHighlighter parameter set to on.
  
  The default value is blank.
  
@@ -104, +104 @@

  }}}
  
  == hl.useFastVectorHighlighter ==
- Use FastVectorHighlighter. FastVectorHighlighter requires the field is termVectors=on, termPositions=on
and termOffsets=on. This parameter accepts per-field overrides.  <!> [[Solr1.5]]
+ Use FastVectorHighlighter. FastVectorHighlighter requires the field is termVectors=on, termPositions=on
and termOffsets=on. This parameter accepts per-field overrides.  <!> [[Solr3.1]]
  
  The default value is "`false`"
  

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