fix to_number

mindspore/ccsrc/minddata/dataset/api/text.cc

@@ -485,9 +485,8 @@ std::shared_ptr<TensorOp> SlidingWindowOperation::Build() {
 ToNumberOperation::ToNumberOperation(DataType data_type) : data_type_(data_type) {}
 
 Status ToNumberOperation::ValidateParams() {
-  if (!data_type_.IsNumeric()) {
-    std::string err_msg =
-      "ToNumber : The parameter data_type must be a numeric type: " + std::to_string(data_type_.value());
+  if (!data_type_.IsNumeric() || data_type_.IsBool()) {
+    std::string err_msg = "ToNumber : The parameter data_type must be a numeric type, got: " + data_type_.ToString();
     MS_LOG(ERROR) << err_msg;
     RETURN_STATUS_SYNTAX_ERROR(err_msg);
   }

mindspore/ccsrc/minddata/dataset/text/kernels/to_number_op.cc

@@ -73,6 +73,8 @@ Status ToNumberOp::Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr
     case DataType::DE_FLOAT64:
       RETURN_IF_NOT_OK(ToDouble(input, output));
       break;
+    default:
+      RETURN_STATUS_UNEXPECTED("Unsupported cast type: " + cast_to_type_.ToString());
   }
 
   return Status::OK();