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https://issues.apache.org/jira/browse/HIVE-26228?focusedWorklogId=773526&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-773526
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ASF GitHub Bot logged work on HIVE-26228:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/May/22 14:58
Start Date: 23/May/22 14:58
Worklog Time Spent: 10m
Work Description: lcspinter commented on code in PR #3287:
URL: https://github.com/apache/hive/pull/3287#discussion_r879558288
##########
parser/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g:
##########
@@ -214,6 +214,7 @@ TOK_ALTERTABLE_ADDCONSTRAINT;
TOK_ALTERTABLE_UPDATECOLUMNS;
TOK_ALTERTABLE_OWNER;
TOK_ALTERTABLE_SETPARTSPEC;
+TOK_ALTERTABLE_ROLLBACK;
Review Comment:
@pvary `rollback` as a keyword was already present in hive. This is just the
token definition.
@marton-bod we have discussed that option, but with the Impala team we
agreed on this syntax
Issue Time Tracking
-------------------
Worklog Id: (was: 773526)
Time Spent: 2.5h (was: 2h 20m)
> Implement Iceberg table rollback feature
> ----------------------------------------
>
> Key: HIVE-26228
> URL: https://issues.apache.org/jira/browse/HIVE-26228
> Project: Hive
> Issue Type: New Feature
> Reporter: László Pintér
> Assignee: László Pintér
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> We should allow rolling back iceberg table's data to the state at an older
> table snapshot.
> Rollback to the last snapshot before a specific timestamp
> {code:java}
> ALTER TABLE ice_t EXECUTE ROLLBACK('2022-05-12 00:00:00')
> {code}
> Rollback to a specific snapshot ID
> {code:java}
> ALTER TABLE ice_t EXECUTE ROLLBACK(1111);
> {code}
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