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https://issues.apache.org/jira/browse/LUCENE-3668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-3668:
--------------------------------
Attachment: LUCENE-3668_test.patch
here's 2 tests, one for the old impl, one for the new one:
In this case we have national hockey league = nhl.
desired behavior:
||token||posIncr||startOffset||endOffset||
|national|1|0|8|
|nhl|0|0|*22*|
|hockey|1|9|15|
|league|1|16|22|
current behavior (FST impl):
||token||posIncr||startOffset||endOffset||
|national|1|0|8|
|nhl|0|0|*8*|
|hockey|1|9|15|
|league|1|16|22|
old impl:
||token||posIncr||startOffset||endOffset||
|national|1|0|22|
|nhl|0|0|22|
|hockey|1|0|22|
|league|1|0|22|
>From the offsets perspective, nhl is only getting the offsets of national
>(endoffset=8) but it would be bettter if it got endoffset=22.
Using the old impl imo is no workaround, the offsets are crazy (each individual
word gets 0-22). But i think we should just leave it be and try to improve the
new one.
> offsets issues with multiword synonyms
> --------------------------------------
>
> Key: LUCENE-3668
> URL: https://issues.apache.org/jira/browse/LUCENE-3668
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/analysis
> Reporter: Robert Muir
> Attachments: LUCENE-3668_test.patch
>
>
> as reported on the list, there are some strange offsets with FSTSynonyms, in
> the case of multiword synonyms.
> as a workaround it was suggested to use the older synonym impl, but it has
> bugs too (just in a different way).
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