replace one_of with new_implicit for sha512 function

Author: Ian Lai

datafusion/functions/src/crypto/sha512.rs

@@ -19,12 +19,12 @@
 use super::basic::{sha512, utf8_or_binary_to_binary_type};
 use arrow::datatypes::DataType;
 use datafusion_common::{
-    types::{logical_binary, logical_string},
+    types::{logical_binary, logical_string, NativeType},
     Result,
 };
 use datafusion_expr::{
     ColumnarValue, Documentation, ScalarFunctionArgs, ScalarUDFImpl, Signature,
-    TypeSignature, Volatility,
+    Volatility,
 };
 use datafusion_expr_common::signature::{Coercion, TypeSignatureClass};
 use datafusion_macros::user_doc;
@@ -57,15 +57,12 @@ impl Default for SHA512Func {
 impl SHA512Func {
     pub fn new() -> Self {
         Self {
-            signature: Signature::one_of(
-                vec![
-                    TypeSignature::Coercible(vec![Coercion::new_exact(
-                        TypeSignatureClass::Native(logical_string()),
-                    )]),
-                    TypeSignature::Coercible(vec![Coercion::new_exact(
-                        TypeSignatureClass::Native(logical_binary()),
-                    )]),
-                ],
+            signature: Signature::coercible(
+                vec![Coercion::new_implicit(
+                    TypeSignatureClass::Native(logical_binary()),
+                    vec![TypeSignatureClass::Native(logical_string())],
+                    NativeType::Binary,
+                )],
                 Volatility::Immutable,
             ),
         }