Added u32 as ScalarType

src/scalars/integers.rs

@@ -134,6 +134,29 @@ impl ScalarType for i64 {
     }
 }
 
+/// The `Int64` scalar type represents non-fractional signed whole numeric values. Int can represent values between -(2^64) and 2^64 - 1.
+#[Scalar(internal, name = "Int64")]
+impl ScalarType for u32 {
+    fn parse(value: Value) -> InputValueResult<Self> {
+        match value {
+            Value::Int(n) => Ok(n as Self),
+            Value::String(s) => Ok(s.parse()?),
+            _ => Err(InputValueError::ExpectedType(value)),
+        }
+    }
+
+    fn is_valid(value: &Value) -> bool {
+        match value {
+            Value::Int(_) | Value::String(_) => true,
+            _ => false,
+        }
+    }
+
+    fn to_value(&self) -> Value {
+        Value::String(self.to_string())
+    }
+}
+
 /// The `Int64` scalar type represents non-fractional signed whole numeric values. Int can represent values between -(2^64) and 2^64 - 1.
 #[Scalar(internal, name = "Int64")]
 impl ScalarType for u64 {