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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2012/05/11 21:20:50 UTC
[jira] [Issue Comment Edited] (SOLR-1535) Pre-analyzed field type
[ https://issues.apache.org/jira/browse/SOLR-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273501#comment-13273501 ]
Andrzej Bialecki edited comment on SOLR-1535 at 5/11/12 7:20 PM:
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Hoss was wrong :) there is no way to do this, as there is no way to do this in TokenStream - you should view the PreAnalyzed field type as a serialized TokenStream (with the added functionality to specify the stored part independently).
Edit: I started adding some documentation to http://wiki.apache.org/solr/PreAnalyzedField .
was (Author: ab):
Hoss was wrong :) there is no way to do this, as there is no way to do this in TokenStream - you should view the PreAnalyzed field type as a serialized TokenStream (with the added functionality to specify the stored part independently).
> Pre-analyzed field type
> -----------------------
>
> Key: SOLR-1535
> URL: https://issues.apache.org/jira/browse/SOLR-1535
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 1.5
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Fix For: 4.0
>
> Attachments: SOLR-1535.patch, SOLR-1535.patch, SOLR-1535.patch, preanalyzed.patch, preanalyzed.patch
>
>
> PreAnalyzedFieldType provides a functionality to index (and optionally store) content that was already processed and split into tokens using some external processing chain. This implementation defines a serialization format for sending tokens with any currently supported Attributes (eg. type, posIncr, payload, ...). This data is de-serialized into a regular TokenStream that is returned in Field.tokenStreamValue() and thus added to the index as index terms, and optionally a stored part that is returned in Field.stringValue() and is then added as a stored value of the field.
> This field type is useful for integrating Solr with existing text-processing pipelines, such as third-party NLP systems.
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