Jefffrey commented on issue #7225:
URL: https://github.com/apache/datafusion/issues/7225#issuecomment-5203741905
this can be achieved via the coercible api:
```rust
Signature::one_of(
vec![
TypeSignature::Coercible(vec![
Coercion::new_exact(TypeSignatureClass::Any),
Coercion::new_exact(TypeSignatureClass::Any),
Coercion::new_exact(TypeSignatureClass::Native(logical_int64())),
]),
TypeSignature::Coercible(vec![
Coercion::new_exact(TypeSignatureClass::Any),
Coercion::new_exact(TypeSignatureClass::Any),
Coercion::new_exact(TypeSignatureClass::Native(logical_int64())),
Coercion::new_exact(TypeSignatureClass::Native(logical_int64())),
]),
],
Volatility::Immutable,
)
```
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