comphead commented on code in PR #2324:
URL: https://github.com/apache/arrow-datafusion/pull/2324#discussion_r857744248
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datafusion/expr/src/function.rs:
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@@ -217,6 +217,11 @@ pub fn return_type(
}
}),
+ BuiltinScalarFunction::Power => match &input_expr_types[0] {
+ DataType::Int32 | DataType::Int64 => Ok(DataType::Int64),
Review Comment:
Now its changed to be like in
[https://www.postgresql.org/docs/14/functions-math.html](https://github.com/apache/arrow-datafusion/pull/url)
So the signature is either i64 or f64.
If user column is another col type with less size like i32, f32, i16, etc it
will work, however the return type is i64 or f64.
Let me know if this is ok
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