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https://issues.apache.org/jira/browse/CASSANDRA-16806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17387272#comment-17387272
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Benjamin Lerer commented on CASSANDRA-16806:
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{quote}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.{quote}
{{DELETE}} operations are included in the {{PartitionUpdate}} that the
{{VirtualTable.apply}} method will receive so we do not need to change anything
at the statement level or in the interface.
> Allow TRUNCATE to work on Virtual Tables if the implementation allows 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
> Fix For: 4.x
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> {{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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