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सूचकांक विन्यास

फ़ील्ड कॉन्फ़िगरेशन

ल्युसीन इंडेक्स में कस्टम फ़ील्ड जोड़ते समय आप निम्न कॉन्फ़िगरेशन का उपयोग करके नए फ़ील्ड्स को इंडेक्स में जोड़ सकते हैं:

 <configuration ref="contentSearch/indexConfigurations/defaultLuceneIndexConfiguration">
  <indexAllfields>false</indexAllfields>
  <fieldNames hint="raw:AddFieldByFieldName">
      <field fieldName="title" storageType="YES" indexType="TOKENIZED"   vectorType="NO" boost="1f" type="System.String" 
             settingType="Sitecore.ContentSearch.LuceneProvider.LuceneSearchFieldConfiguration, Sitecore.ContentSearch.LuceneProvider"/>
  </fieldNames>
</configuration>

एक फ़ील्ड में कुछ संभावित गुण होते हैं:

• storageType
• indexType
• vectorType
• boost

Tjhese फ़ील्ड सीधे Sitecore.ContentSearch.LuceneProvider.LuceneSearchFieldConfiguration क्लास की सामग्री से संबंधित हैं। यदि हम इस वर्ग से बाहर के मूल्यों को प्रतिबिंबित करते हैं तो हम उनके संभावित मूल्यों आदि को देख सकते हैं।

भण्डारण प्रकार

/// <summary>Specifies whether and how a field should be stored. </summary>
public enum Store
{
    /// <summary>Store the original field value in the index. This is useful for short texts
    /// like a document's title which should be displayed with the results. The
    /// value is stored in its original form, i.e. no analyzer is used before it is
    /// stored.
    /// </summary>
    YES,
    /// <summary>Do not store the field value in the index. </summary>
    NO
}

IndexType

/// <summary>Specifies whether and how a field should be indexed. </summary>
public enum Index
{
    /// <summary>Do not index the field value. This field can thus not be searched,
    /// but one can still access its contents provided it is
    /// <see cref="T:Lucene.Net.Documents.Field.Store">stored</see>. 
    /// </summary>
    NO,
    /// <summary>Index the tokens produced by running the field's
    /// value through an Analyzer.  This is useful for
    /// common text. 
    /// </summary>
    ANALYZED,
    /// <summary>Index the field's value without using an Analyzer, so it can be searched.
    /// As no analyzer is used the value will be stored as a single term. This is
    /// useful for unique Ids like product numbers.
    /// </summary>
    NOT_ANALYZED,
    /// <summary>Expert: Index the field's value without an Analyzer,
    /// and also disable the storing of norms.  Note that you
    /// can also separately enable/disable norms by calling
    /// <see cref="!:AbstractField.SetOmitNorms" />.  No norms means that
    /// index-time field and document boosting and field
    /// length normalization are disabled.  The benefit is
    /// less memory usage as norms take up one byte of RAM
    /// per indexed field for every document in the index,
    /// during searching.  Note that once you index a given
    /// field <i>with</i> norms enabled, disabling norms will
    /// have no effect.  In other words, for this to have the
    /// above described effect on a field, all instances of
    /// that field must be indexed with NOT_ANALYZED_NO_NORMS
    /// from the beginning. 
    /// </summary>
    NOT_ANALYZED_NO_NORMS,
    /// <summary>Expert: Index the tokens produced by running the
    /// field's value through an Analyzer, and also
    /// separately disable the storing of norms.  See
    /// <see cref="F:Lucene.Net.Documents.Field.Index.NOT_ANALYZED_NO_NORMS" /> for what norms are
    /// and why you may want to disable them. 
    /// </summary>
    ANALYZED_NO_NORMS
}

VectorType

/// <summary>Specifies whether and how a field should have term vectors. </summary>
public enum TermVector
{
    /// <summary>Do not store term vectors. </summary>
    NO,
    /// <summary>Store the term vectors of each document. A term vector is a list
    /// of the document's terms and their number of occurrences in that document. 
    /// </summary>
    YES,
    /// <summary> Store the term vector + token position information
    ///
    /// </summary>
    /// <seealso cref="F:Lucene.Net.Documents.Field.TermVector.YES">
    /// </seealso>
    WITH_POSITIONS,
    /// <summary> Store the term vector + Token offset information
    ///
    /// </summary>
    /// <seealso cref="F:Lucene.Net.Documents.Field.TermVector.YES">
    /// </seealso>
    WITH_OFFSETS,
    /// <summary> Store the term vector + Token position and offset information
    ///
    /// </summary>
    /// <seealso cref="F:Lucene.Net.Documents.Field.TermVector.YES">
    /// </seealso>
    /// <seealso cref="F:Lucene.Net.Documents.Field.TermVector.WITH_POSITIONS">
    /// </seealso>
    /// <seealso cref="F:Lucene.Net.Documents.Field.TermVector.WITH_OFFSETS">
    /// </seealso>
    WITH_POSITIONS_OFFSETS
}

बढ़ावा

इस आइटम के लिए Lucene सूचकांक में एक बढ़ावा मूल्य जोड़ें