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.
- links to
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.