Stamatis Zampetakis created HIVE-28376:
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Summary: Remove unused Hive object from RelOptHiveTable
Key: HIVE-28376
URL: https://issues.apache.org/jira/browse/HIVE-28376
Project: Hive
Issue Type: Task
Components: CBO
Reporter: Stamatis Zampetakis
Assignee: Stamatis Zampetakis
The
[Hive|https://github.com/apache/hive/blob/b18d5732b4f309fdc3b8226847c9c1ebcd2476fd/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java]
object is not used inside RelOptHiveTable so keeping a reference to it is
wasting memory and also complicates creation of RelOptHiveTable objects
(constructor parameter).
Moreover, the Hive objects have thread local scope so in general they shouldn't
be passed around cause their lifecycle becomes harder to manage.
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