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Posted to issues-all@impala.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2023/01/30 18:36:00 UTC
[jira] [Commented] (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=17682234#comment-17682234 ]
ASF subversion and git services commented on IMPALA-10153:
----------------------------------------------------------
Commit 52bdbe1f7e49f9f3cdb1a41c3d4a5fe6ec9e79f7 in impala's branch refs/heads/master from Andrew Sherman
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=52bdbe1f7 ]
IMPALA-11835: [DOCS] Document that Iceberg Time Travel queries use the old schema.
Since IMPALA-10153, time travel queries use the schema of the table from
the point specified by the time travel parameters. Update the docs to
cover this change.
TESTING:
- Built docs locally
Change-Id: I8ba0b604733c14b697d268b9ea2067a829c0e351
Reviewed-on: http://gerrit.cloudera.org:8080/19420
Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
> 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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