kumarUjjawal opened a new pull request, #20093:
URL: https://github.com/apache/datafusion/pull/20093
## Which issue does this PR close?
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- Closes #20089
## Rationale for this change
iszero() and isnan() previously accepted “numeric” inputs by implicitly
coercing them to Float64, adding unnecessary casts and work for integer/decimal
inputs.
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## What changes are included in this PR?
- Updated iszero() and isnan() signatures to accept
TypeSignatureClass::Numeric without implicit float coercion.
- Refactored iszero() implementation to evaluate zero checks directly for
integers, unsigned integers, floats, and decimals.
- Refactored isnan() implementation to compute is_nan only for float types
and return false for all other numeric types and reduced non-float array
handling to use unary kernels instead of manual iteration.
- Added sqllogictest
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## Are these changes tested?
Yes
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## Are there any user-facing changes?
No
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