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Posted to issues-all@impala.apache.org by "Patrick Angeles (Jira)" <ji...@apache.org> on 2021/01/15 17:05:00 UTC
[jira] [Comment Edited] (IMPALA-10153) Support time travel for
Iceberg tables
[ https://issues.apache.org/jira/browse/IMPALA-10153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17266193#comment-17266193 ]
Patrick Angeles edited comment on IMPALA-10153 at 1/15/21, 5:04 PM:
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I see this is specific to time-travel for Iceberg. Wondering if some thought has been put towards how time travel would work with compaction and snapshot-cleanup, and also with the Iceberg V2 spec (with row based update/delete). Also, I looked for a timetravel Jira for Impala+Kudu and did not find one... would be great if the time travel semantics between Kudu and Iceberg were consistent.
was (Author: patrickangeles):
I see this is specific to time-travel for Iceberg.I cannot find a Jira for time travel via Impala+Kudu. Kudu can support fine grained time-travel. Wondering via per... wondering
> Support time travel for Iceberg tables
> --------------------------------------
>
> Key: IMPALA-10153
> URL: https://issues.apache.org/jira/browse/IMPALA-10153
> Project: IMPALA
> Issue Type: New Feature
> Components: Frontend
> Reporter: Zoltán Borók-Nagy
> Assignee: Gabor Kaszab
> Priority: Major
> Labels: impala-iceberg
>
> Iceberg tables support snapshots/data versioning/time travel.
> It means we can query an older version of the table.
> Probably we'll need to extend Impala's SQL syntax to support such queries (Hive will also support such queries, so we should use the same syntax).
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