[jira] [Created] (CALCITE-4269) Improvement on enumerable implementation for HOP and SESSION

[Rui Wang (Jira)]

Rui Wang created CALCITE-4269:
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             Summary: Improvement on enumerable implementation for HOP and 
SESSION
                 Key: CALCITE-4269
                 URL: https://issues.apache.org/jira/browse/CALCITE-4269
             Project: Calcite
          Issue Type: Sub-task
            Reporter: Rui Wang
            Assignee: Rui Wang


1. Should replace LinkedList with ArrayDeque because ArrayDeque should be more 
efficient in most cases.
2. list member variable should be final



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