[
https://issues.apache.org/jira/browse/HIVE-25344?focusedWorklogId=626182&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-626182
]
ASF GitHub Bot logged work on HIVE-25344:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jul/21 15:13
Start Date: 21/Jul/21 15:13
Worklog Time Spent: 10m
Work Description: pvary opened a new pull request #2512:
URL: https://github.com/apache/hive/pull/2512
### What changes were proposed in this pull request?
Allow the following queries working on the Iceberg tables:
```
SELECT * FROM t FOR SYSTEM_TIME AS OF <timestamp>;
SELECT * FROM t FOR SYSTEM_VERSION AS OF <version>;
```
### Why are the changes needed?
We would like to have timetravel available for Iceberg tables
### Does this PR introduce _any_ user-facing change?
Enables the following queries:
```
SELECT * FROM t FOR SYSTEM_TIME AS OF <timestamp>;
SELECT * FROM t FOR SYSTEM_VERSION AS OF <version>;
```
### How was this patch tested?
Added unit tests
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Issue Time Tracking
-------------------
Worklog Id: (was: 626182)
Remaining Estimate: 0h
Time Spent: 10m
> Add a possibility to query Iceberg table snapshots based on the timestamp or
> the snapshot id
> --------------------------------------------------------------------------------------------
>
> Key: HIVE-25344
> URL: https://issues.apache.org/jira/browse/HIVE-25344
> Project: Hive
> Issue Type: New Feature
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Implement the following commands:
> {code:java}
> SELECT * FROM t FOR SYSTEM_TIME AS OF <timestamp>;
> SELECT * FROM t FOR SYSTEM_VERSION AS OF <version>;{code}
> where SYSTEM_TIME is the Iceberg table state at the given timestamp (UTC), or
> SYSTEM_VERSION is the Iceberg table snapshot id.
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