[jira] [Resolved] (HIVE-26498) Implement MV maintenance with Iceberg sources using full rebuild

["Krisztian Kasa (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-26498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Kasa resolved HIVE-26498.
-----------------------------------
    Resolution: Fixed

Pushed to master. Thanks [~lpinter] for review.

> Implement MV maintenance with Iceberg sources using full rebuild
> ----------------------------------------------------------------
>
>                 Key: HIVE-26498
>                 URL: https://issues.apache.org/jira/browse/HIVE-26498
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Materialized views
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 6.5h
>  Remaining Estimate: 0h
>
> {code}
> set hive.support.concurrency=true;
> set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager;
> create external table tbl_ice(a int, b string, c int) stored by iceberg stored as orc tblproperties ('format-version'='2');
> insert into tbl_ice values (1, 'one', 50), (2, 'two', 51), (3, 'three', 52), (4, 'four', 53), (5, 'five', 54);
> create materialized view mat1 as
> select b, c from tbl_ice where c > 52;
> insert into tbl_ice values (111, 'one', 55), (333, 'two', 56);
> explain cbo
> alter materialized view mat1 rebuild;
> alter materialized view mat1 rebuild;
> {code}
> MV full rebuild plan
> {code}
> CBO PLAN:
> HiveProject(b=[$1], c=[$2])
>   HiveFilter(condition=[>($2, 52)])
>     HiveTableScan(table=[[default, tbl_ice]], table:alias=[tbl_ice])
> {code}



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