Gopal V created HIVE-11366:
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Summary: Avoid right leaning tree hashCode depth during
ExprNodeDescEqualityWrapper HashMaps
Key: HIVE-11366
URL: https://issues.apache.org/jira/browse/HIVE-11366
Project: Hive
Issue Type: Sub-task
Components: Logical Optimizer
Affects Versions: 1.2.0, 1.0.0, 1.1.0, 1.1.1
Reporter: Gopal V
Assignee: Gopal V
For a large sequence of AND clauses, the precedence order results in a deep
unbalanced tree.
(AND A (AND B (AND C (AND D (AND E)....)
which could result in a hashcode for the top-level expression traversing deep.
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