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ASF GitHub Bot logged work on HIVE-26882: ----------------------------------------- Author: ASF GitHub Bot Created on: 14/Jan/23 07:42 Start Date: 14/Jan/23 07:42 Worklog Time Spent: 10m Work Description: pvary opened a new pull request, #3944: URL: https://github.com/apache/hive/pull/3944 This is the branch-3.1 backport of the following PR https://github.com/apache/hive/pull/3888 / [HIVE-26882](https://issues.apache.org/jira/browse/HIVE-26882): Allow transactional check of Table parameter before altering the Table Issue Time Tracking ------------------- Worklog Id: (was: 839220) Time Spent: 3h 40m (was: 3.5h) > Allow transactional check of Table parameter before altering the Table > ---------------------------------------------------------------------- > > Key: HIVE-26882 > URL: https://issues.apache.org/jira/browse/HIVE-26882 > Project: Hive > Issue Type: Improvement > Components: Standalone Metastore > Reporter: Peter Vary > Assignee: Peter Vary > Priority: Major > Labels: pull-request-available > Fix For: 4.0.0 > > Time Spent: 3h 40m > Remaining Estimate: 0h > > We should add the possibility to transactionally check if a Table parameter > is changed before altering the table in the HMS. > This would provide an alternative, less error-prone and faster way to commit > an Iceberg table, as the Iceberg table currently needs to: > - Create an exclusive lock > - Get the table metadata to check if the current snapshot is not changed > - Update the table metadata > - Release the lock > After the change these 4 HMS calls could be substituted with a single alter > table call. > Also we could avoid cases where the locks are left hanging by failed processes -- This message was sent by Atlassian Jira (v8.20.10#820010)