mihaibudiu commented on code in PR #4653:
URL: https://github.com/apache/calcite/pull/4653#discussion_r2582228816
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core/src/main/java/org/apache/calcite/sql/type/SqlTypeTransforms.java:
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@@ -98,6 +98,17 @@ public abstract class SqlTypeTransforms {
opBinding.getTypeFactory().createTypeWithNullability(
requireNonNull(typeToTransform, "typeToTransform"), true);
+ /**
+ * Parameter type-inference transform strategy where a derived type is
+ * transformed into the same type with nulls allowed if the result is not
floating point.
+ */
+ public static final SqlTypeTransform FORCE_NULLABLE_NON_FP =
+ (opBinding, typeToTransform) -> {
+ boolean nullable =
!SqlTypeName.APPROX_TYPES.contains(typeToTransform.getSqlTypeName());
Review Comment:
all these results inherit the nullability of the operands, but divide_0_null
is always nullable
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