Feng Zhu created CALCITE-4116:
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Summary: Remove unused code for tracking RexNode's nullable state
in codegen
Key: CALCITE-4116
URL: https://issues.apache.org/jira/browse/CALCITE-4116
Project: Calcite
Issue Type: Improvement
Components: core
Affects Versions: 1.23.0
Reporter: Feng Zhu
Assignee: Feng Zhu
The PR in CALCITE-3224 takes RexNode's nullable state as immutable during
codegen.
Since it has been merged, we can safely remove unused code that changes and
tracks RexNode's nullable.
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