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Posted to commits@cassandra.apache.org by "Aleksei Zotov (Jira)" <ji...@apache.org> on 2021/07/19 21:02:00 UTC
[jira] [Commented] (CASSANDRA-16806) Allow TRUNCATE to work on
Virtual Tables if the implementation allow it
[ https://issues.apache.org/jira/browse/CASSANDRA-16806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17383579#comment-17383579 ]
Aleksei Zotov commented on CASSANDRA-16806:
-------------------------------------------
[~blerer]
This ticket aims to support a wider range of features via virtual tables. Particularly, it was created as the first step to support auth caches viewing/invalidation through VTs. However, in order to fully mimic {{nodetool}} functionality for caches invalidation (CASSANDRA-16404), we need to support not only {{TRUNCATE}}, but also {{DELETE}} operation. Is {{DELETE}} support also included into the scope of this ticket? I guess you're planning to have a set of small-enough ticket to get the work done in small chunks.
> Allow TRUNCATE to work on Virtual Tables if the implementation allow it
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-16806
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16806
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables
> Reporter: Benjamin Lerer
> Assignee: Aleksei Zotov
> Priority: Normal
>
> {{TRUNCATE}} statements are currently not supported by Virtual Tables. For some Virtual Tables it makes sense to allow it.
> It can be done by adding a {{truncate}} method to the {{VirtualTable}} interface and calling that method from {{TruncateStatement}}. The default implementation of the method should be to fire an {{InvalidRequestException}} saying that truncate is not supported on that specific table.
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