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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-7756) Only record the major that was used to create the index rather than the full version
Date Tue, 04 Apr 2017 08:15:41 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-7756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adrien Grand resolved LUCENE-7756.
----------------------------------
       Resolution: Fixed
    Fix Version/s: master (7.0)

Thanks Mike for looking at this larg-ish patch!

> Only record the major that was used to create the index rather than the full version
> ------------------------------------------------------------------------------------
>
>                 Key: LUCENE-7756
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7756
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>             Fix For: master (7.0)
>
>         Attachments: LUCENE-7756.patch, LUCENE-7756.patch, LUCENE-7756.patch
>
>
> LUCENE-7703 added information about the Lucene version that was used to create the index
to the segment infos. But since there is a single creation version, it means we need to reject
calls to addIndexes that can mix indices that have different creation versions, which might
be seen as an important regression by some users. So I have been thinking about only recording
the major version that was used to create the index, which is still very valuable information
and would allow us to accept calls to addIndexes when all merged indices have the same major
version. This looks like a better trade-off to me.



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