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https://issues.apache.org/jira/browse/HIVE-27366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17728263#comment-17728263
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Krisztian Kasa commented on HIVE-27366:
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Merged to master. Thanks [~veghlaci05] for the review.
> Incorrect incremental rebuild mode shown of materialized view with Iceberg
> sources
> ----------------------------------------------------------------------------------
>
> Key: HIVE-27366
> URL: https://issues.apache.org/jira/browse/HIVE-27366
> Project: Hive
> Issue Type: Bug
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
>
> {code}
> CREATE TABLE shtb_test1(KEY INT, VALUE STRING) PARTITIONED BY(ds STRING)
> stored by iceberg stored as orc tblproperties ('format-version'='2');
> CREATE MATERIALIZED VIEW shtb_test1_view1 stored by iceberg stored as orc
> tblproperties ('format-version'='1') AS
> SELECT * FROM shtb_test1 where KEY > 1000 and KEY < 2000;
> SHOW MATERIALIZED VIEWS;
> {code}
> {code}
> # MV Name Rewriting Enabled Mode
> Incremental rebuild
> shtb_test1_view1 Yes Manual refresh
> Available
> {code}
> It should be
> {code}
> # MV Name Rewriting Enabled Mode
> Incremental rebuild
> shtb_test1_view1 Yes Manual refresh
> Available in presence of insert operations only
> {code}
> because deleted rows can not be identified in case of Iceberg source tables.
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