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Paulo Motta commented on CASSANDRA-18102:
-----------------------------------------
bq. After that is done, this ticket will be easy.
I think these works are independent, but should be merged together. The virtual
table will just read from SnapshotManager instead of reading from disk, but it
should be transparent since the virtual table will just display a list of
{{{}TableSnapshot{}}}.
> Add a virtual table to list snapshots
> -------------------------------------
>
> Key: CASSANDRA-18102
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18102
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables, Local/Snapshots
> Reporter: Paulo Motta
> Assignee: maxwellguo
> Priority: Normal
>
> It should be possible to query a node's snapshots via virtual tables.
> The table should expose the same fields/columns as the
> [TableSnapshot|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/service/snapshot/TableSnapshot.java]
> class.
> Something along these lines:
> {noformat}
> cqlsh> SELECT * FROM system_views.snapshots;
>
> tag | keyspace_name | table_name | table_id | is_ephemeral | created_at |
> expires_at | directories
> ----+---------------+------------+-----------+--------------+-----------+------------+------------
> 1670460346841 | system | compaction_info |
> 123e4567-e89b-12d3-a456-426614174000 | false | 2022-12-08T00:45:47.108Z |
> null |
> {'/var/lib/cassandra/data/system/compaction_history-b4dbb7b4dc493fb5b3bfce6e434832ca/snapshots/1670460346841'}
> {noformat}
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