Malcolm Taylor created CALCITE-2164:
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Summary: Fix alerts raised by lgtm.com
Key: CALCITE-2164
URL: https://issues.apache.org/jira/browse/CALCITE-2164
Project: Calcite
Issue Type: Improvement
Reporter: Malcolm Taylor
Assignee: Malcolm Taylor
lgtm.com has identified a number of places where the code can be improved by
small changes. These include cases of
* container contents never accessed (so the container can be removed)
* reference equality test on boxed types (equals can be used instead)
* type mismatch on container access (presumably checking for the wrong object)
* boxed variable is never null (primitive type can be used instead)
* dereferenced variable may be null (test for null should be added)
* useless comparison test (the test can be removed)
This issue is to address some of these alerts
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