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POUpdate a new field to existing document
 

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    <p>is there possibility to update a new field to an existing document? For example: There is an document with several fields, e.g.</p> <pre><code>ID=99999 Field1:text Field2:text </code></pre> <p>This document is already in the index, now I want to insert a new field to this document WITHOUT the old data:</p> <pre><code>ID=99999 Field3:text </code></pre> <p>For now, the old document will be deleted and a new document with the ID will be created. So if I now search for the ID 99999 the result will be:</p> <pre><code>ID=99999 Field3:text </code></pre> <p>I read this at the Solr Wiki</p> <blockquote> <p>How can I update a specific field of an existing document?</p> <p>I want update a specific field in a document, is that possible? I only need to index one field for >a specific document. Do I have to index all the document for this? </p> <p>No, just the one document. Let's say you have a CMS and you edit one document. You will need to re-index this document only by using the the add solr statement for the whole document (not one field only). </p> <p>In Lucene to update a document the operation is really a delete followed by an add. You will need >to add the complete document as there is no such "update only a field" semantics in Lucene. </p> </blockquote> <p>So is there any solution for this? Will this function be implemented in a further version (I currently use 3.6.0). As a workaround, I thought about writing a script or an application, which will collect the existing fields, add the new field and update the whole document. But I think this will suffer performance. Do you have any other ideas?</p> <p>Best regards</p>
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    1. USChristian Lendel
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