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https://issues.apache.org/jira/browse/SOLR-6492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14346261#comment-14346261
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Kranti Parisa commented on SOLR-6492:
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In other words, like the update processor chains we should have analysis chains
defined in schema.xml and these chains could be resued between multiple fields
and on each field there should be a way to conditionally chose the analysis
chain based on the value of another field.
Not sure if I'm reemphasizing your design..
> Solr field type that supports multiple, dynamic analyzers
> ---------------------------------------------------------
>
> Key: SOLR-6492
> URL: https://issues.apache.org/jira/browse/SOLR-6492
> Project: Solr
> Issue Type: New Feature
> Components: Schema and Analysis
> Reporter: Trey Grainger
> Fix For: 5.0
>
>
> A common request - particularly for multilingual search - is to be able to
> support one or more dynamically-selected analyzers for a field. For example,
> someone may have a "content" field and pass in a document in Greek (using an
> Analyzer with Tokenizer/Filters for German), a separate document in English
> (using an English Analyzer), and possibly even a field with mixed-language
> content in Greek and English. This latter case could pass the content
> separately through both an analyzer defined for Greek and another Analyzer
> defined for English, stacking or concatenating the token streams based upon
> the use-case.
> There are some distinct advantages in terms of index size and query
> performance which can be obtained by stacking terms from multiple analyzers
> in the same field instead of duplicating content in separate fields and
> searching across multiple fields.
> Other non-multilingual use cases may include things like switching to a
> different analyzer for the same field to remove a feature (i.e. turning
> on/off query-time synonyms against the same field on a per-query basis).
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