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Posted to issues-all@impala.apache.org by "LiPenglin (Jira)" <ji...@apache.org> on 2022/10/24 10:59:00 UTC

[jira] [Created] (IMPALA-11681) Optimize 'setTableStats' for the Iceberg tables without stats in HMS

LiPenglin created IMPALA-11681:
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             Summary: Optimize 'setTableStats' for the Iceberg tables without stats in HMS
                 Key: IMPALA-11681
                 URL: https://issues.apache.org/jira/browse/IMPALA-11681
             Project: IMPALA
          Issue Type: Improvement
            Reporter: LiPenglin


For the Iceberg tables, when we cannot get the table Parameters StatsSetupConst.ROW_COUNT and StatsSetupConst.TOTAL_SIZE from HMS, It can be retrieved from Iceberg's meta. This is the appropriate ordering for the join of the Iceberg tables without stats.

https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/catalog/IcebergTable.java#L348
https://github.com/apache/impala/blob/1e30ca228d683821e42e51f94478c77642f5331a/fe/src/main/java/org/apache/impala/catalog/Table.java#L412



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