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Posted to issues@ignite.apache.org by "Evgeny Stanilovsky (Jira)" <ji...@apache.org> on 2022/11/10 10:26:00 UTC

[jira] [Resolved] (IGNITE-18066) Restore all schemes on recovery for time travel requests purposes.

     [ https://issues.apache.org/jira/browse/IGNITE-18066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evgeny Stanilovsky resolved IGNITE-18066.
-----------------------------------------
    Resolution: Won't Fix

> Restore all schemes on recovery for time travel requests purposes.
> ------------------------------------------------------------------
>
>                 Key: IGNITE-18066
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18066
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>    Affects Versions: 3.0.0-alpha5
>            Reporter: Evgeny Stanilovsky
>            Priority: Major
>
> Due to recovery of SchemaManager seems we need to restore and register all schemes, i.e. like :
> {noformat}
>     private SortedMap<Integer, byte[]> collectAllSchemas(UUID tblId) {
>             Cursor<Entry> cur = metastorageMgr.prefix(schemaHistPrefix(tblId));
>             SortedMap<Integer, byte[]> schemes = new TreeMap<>();
>             for (Entry ent : cur) {
>                 String key = ent.key().toString();
>                 int descVer = extractVerFromSchemaKey(key);
>                 schemes.put(descVer, ent.value());
>             }
>             return schemes;
>     }
> {noformat}



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