kumarUjjawal commented on code in PR #19463:
URL: https://github.com/apache/datafusion/pull/19463#discussion_r2642584198
##########
datafusion/functions-aggregate/src/correlation.rs:
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@@ -85,8 +86,11 @@ impl Correlation {
/// Create a new CORR aggregate function
pub fn new() -> Self {
Self {
- signature: Signature::exact(
- vec![DataType::Float64, DataType::Float64],
+ signature: Signature::coercible(
+ vec![
+ Coercion::new_exact(TypeSignatureClass::Numeric),
+ Coercion::new_exact(TypeSignatureClass::Numeric),
+ ],
Review Comment:
can we use ```signature: Signature::numeric(2, Volatility::Immutable)```
instead of the current?
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