[jira] [Work logged] (HIVE-27101) Support incremental materialized view rebuild when Iceberg source tables have insert operation only.

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-27101?focusedWorklogId=847265&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-847265 ]

ASF GitHub Bot logged work on HIVE-27101:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/Feb/23 16:28
            Start Date: 23/Feb/23 16:28
    Worklog Time Spent: 10m 
      Work Description: kasakrisz opened a new pull request, #4079:
URL: https://github.com/apache/hive/pull/4079

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   ### What changes were proposed in this pull request?
   * Add function to query whether the specified table has any delete operation since the specified snapshot
   * Update the materialization info of materialized views having iceberg source tables based on this function
   * Temporarily augment materialization query plans with snapshot Id filtering
   * Push down the snapshotId filter to the corresponding TS operator after rewriting the materialized view rebuild plan to a union based plan.
   
   ### Why are the changes needed?
   To support incremental rebuild if MV having Iceberg source tables.
   
   ### Does this PR introduce _any_ user-facing change?
   No but explain MV rebuild plans should indicate when a TS has snapshotId filtering.
   
   ### How was this patch tested?
   ```
   mvn test -Dtest.output.overwrite -Dtest=TestIcebergCliDriver -Dqfile=mv_iceberg_orc4.q -pl itests/qtest-iceberg -Pitests,iceberg
   ```
   




Issue Time Tracking
-------------------

            Worklog Id:     (was: 847265)
    Remaining Estimate: 0h
            Time Spent: 10m

> Support incremental materialized view rebuild when Iceberg source tables have insert operation only.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-27101
>                 URL: https://issues.apache.org/jira/browse/HIVE-27101
>             Project: Hive
>          Issue Type: Improvement
>          Components: Iceberg integration, Materialized views
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>




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