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POHow do I get Lucene.NET to combine 2 Sitecore fields in to 1 index field?
 

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  1. POHow do I get Lucene.NET to combine 2 Sitecore fields in to 1 index field?
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    <p>I am using Lucene.NET with Sitecore for searching. I have created a custom Lucene index. Normally it is a one-to-one mapping between Sitecore fields and Lucene index fields. I would like to be able to take 2 fields and combine them in the Lucene index. Below is an example of my custom index definition. You will see a field called Activity and a field called Board. Then below it is an example of what I am trying to do - combine Activity and Board in to one field in the index. I just am not sure if this is possible and if so, what the syntax is for defining a combined field like this. Any ideas?</p> <pre><code> &lt;index id="reportsIndex" singleInstance="true" type="IOM.library.CustomIndexer, IOM"&gt; &lt;param desc="name"&gt;$(id)&lt;/param&gt; &lt;template hint="list:AddTemplate"&gt; &lt;template&gt;{79EBE484-BAD6-4173-B80A-29AC7D734565}&lt;/template&gt; &lt;/template&gt; &lt;fields hint="raw:AddField"&gt; &lt;field target="Title"&gt;Title&lt;/field&gt; &lt;field target="SortTitle" storage="keyword"&gt;Title&lt;/field&gt; &lt;field target="ShortDescription"&gt;ShortDescription&lt;/field&gt; &lt;field target="FullDescription"&gt;FullDescription&lt;/field&gt; &lt;field target="Topic"&gt;Topic&lt;/field&gt; &lt;field target="Type"&gt;Type&lt;/field&gt; &lt;field target="ReleaseDate"&gt;ReleaseDate&lt;/field&gt; &lt;field target="Series"&gt;Series&lt;/field&gt; &lt;field target="Activity"&gt;Activity&lt;/field&gt; &lt;field target="Board"&gt;Board&lt;/field&gt; &lt;field target="MyCombinedField"&gt;??Activity, Board??&lt;/field&gt; &lt;/fields&gt; &lt;/index&gt; </code></pre> <p>UPDATE: I tried to do what people have suggested and map 2 different Sitecore fields to the same Lucene field. However that doesn't seem to work. I tried the following:</p> <pre><code>&lt;index id="reportsIndex" singleInstance="true" type="IOM.library.CustomIndexer, IOM"&gt; &lt;param desc="name"&gt;$(id)&lt;/param&gt; &lt;template hint="list:AddTemplate"&gt; &lt;template&gt;{79EBE484-BAD6-4173-B80A-29AC7D734565}&lt;/template&gt; &lt;/template&gt; &lt;fields hint="raw:AddField"&gt; &lt;field target="Title"&gt;Title&lt;/field&gt; &lt;field target="Activity"&gt;Activity&lt;/field&gt; &lt;field target="Board"&gt;Board&lt;/field&gt; &lt;field target="MyCombinedField"&gt;Activity&lt;/field&gt; &lt;field target="MyCombinedField"&gt;Board&lt;/field&gt; &lt;/fields&gt; &lt;/index&gt; </code></pre> <p>When I look in IndexViewer this is what I see. If the content item has content for the Activity field then that will get populated in the "MyCombinedField" (since it is first). If the Activity field has no content then Lucene will populate the "MyCombinedField" with the Board content. But it never puts both field's content in to the MyCombinedField field. Am I doing something wrong?</p>
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    1. USCorey Burnett
    1. USCorey Burnett
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    1. COLucene can store multiple values in one field... like what it does with the _content field. You might be able to do it in the configuration by setting the target for both to the same fieldname, otherwise, I have done it with a custom indexer.
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      1. USPatrick Jones
 

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