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Posted to dev@lucene.apache.org by "Torsten Bøgh Köster (JIRA)" <ji...@apache.org> on 2017/03/13 08:01:04 UTC
[jira] [Commented] (SOLR-10264) ManagedSynonymFilterFactory does
not parse multi-term synonyms
[ https://issues.apache.org/jira/browse/SOLR-10264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15906976#comment-15906976 ]
Torsten Bøgh Köster commented on SOLR-10264:
--------------------------------------------
+1 on this one. To be a little more open for extension, it would be great if the inner classes of the `ManagedSynonymFilterFactory` would be `protected` instead of `private`. Then, a caching implementation would be straight forward and we'd contribute that one as well.
> ManagedSynonymFilterFactory does not parse multi-term synonyms
> --------------------------------------------------------------
>
> Key: SOLR-10264
> URL: https://issues.apache.org/jira/browse/SOLR-10264
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Schema and Analysis
> Affects Versions: 6.4.2
> Reporter: Jörg Rathlev
> Priority: Minor
> Attachments: SOLR-10264.patch
>
>
> The parser that the {{ManagedSynonymFilterFactory}} uses to parse the JSON resource into a synonym map does not parse multi-term synonyms in the expected way.
> If the synonym {"foo bar":"baz"} is added to the managed resource, the expected behavior is that the multi-term synonym "foo bar" will be mapped to the synonym "baz".
> In the {{analyze}} method of {{SynonymMap.Parser}}, multiple origin terms are concatenated with a separating {{SynonymMap.WORD_SEPARATOR}}, but the {{analyze}} method is not used by the parser in the {{ManagedSynonymFilterFactory}}.
> As a workaround, multi-term synonyms can be uploaded separated by a null character, i.e., uploading {"foo\u0000bar":"baz"} works.
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