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Posted to issues@ignite.apache.org by "Roman Puchkovskiy (Jira)" <ji...@apache.org> on 2023/07/28 10:39:00 UTC

[jira] [Updated] (IGNITE-19226) Fetch table schema by timestamp

     [ https://issues.apache.org/jira/browse/IGNITE-19226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roman Puchkovskiy updated IGNITE-19226:
---------------------------------------
    Labels: iep-98 ignite-3  (was: ignite-3)

> Fetch table schema by timestamp
> -------------------------------
>
>                 Key: IGNITE-19226
>                 URL: https://issues.apache.org/jira/browse/IGNITE-19226
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Roman Puchkovskiy
>            Priority: Major
>              Labels: iep-98, ignite-3
>
> Currently, when obtaining a schema, its latest (from the local point of view) version is returned.
>  # Table schema must always be obtained using a timestamp
>  # This might require a wait (until MetaStorage's SafeTime >= schemaTs-DD, see [https://cwiki.apache.org/confluence/display/IGNITE/IEP-98%3A+Schema+Synchronization#IEP98:SchemaSynchronization-Waitingforsafetimeinthepast] )
> This includes the mechanisms that allow clients obtain 'current' schema (like 'DESCRIBE <table>', 'list tables', etc).



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