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Posted to issues@lucene.apache.org by "Ignacio Vera (Jira)" <ji...@apache.org> on 2021/02/01 09:55:00 UTC
[jira] [Commented] (LUCENE-9705) Move all codec formats to the
o.a.l.codecs.Lucene90 package
[ https://issues.apache.org/jira/browse/LUCENE-9705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276214#comment-17276214 ]
Ignacio Vera commented on LUCENE-9705:
--------------------------------------
{quote}for Lucene 9.1 we come up with some new improvement that changes one of the index formats does that mean that *all* of the formats have to be moved again?
{quote}
No, doing this change does not change the way we are adding new formats / modifying existing formats.
{quote}I thought it was nice having old formats easily distinguishable
{quote}
That way of distinguish formats might be misleading. There are currently two methods to add changes to an index 1) by adding a new format and moving the old one to backwards codec like we are doing here 2) increasing the internal version of the index. So it might happen that a new format is not distinguishable from the previous one except by reading the actual index.
> Move all codec formats to the o.a.l.codecs.Lucene90 package
> -----------------------------------------------------------
>
> Key: LUCENE-9705
> URL: https://issues.apache.org/jira/browse/LUCENE-9705
> Project: Lucene - Core
> Issue Type: Wish
> Reporter: Ignacio Vera
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Current formats are distributed in different packages, prefixed with the Lucene version they were created. With the upcoming release of Lucene 9.0, it would be nice to move all those formats to just the o.a.l.codecs.Lucene90 package (and of course moving the current ones to the backwards-codecs).
> This issue would actually facilitate moving the directory API to little endian (LUCENE-9047) as the only codecs that would need to handle backwards compatibility will be the codecs in backwards codecs.
> In addition, it can help formalising the use of internal versions vs format versioning ( LUCENE-9616)
>
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