also handle float64

db/db.go

@@ -100,6 +100,14 @@ func ConvertToSQLParams(input interface{}, output interface{}) {
 				outputField.Set(reflect.ValueOf(sql.NullInt64{Int64: inputField.Int(), Valid: true}))
 			}
 
+		case reflect.TypeOf(sql.NullFloat64{}):
+			// Handle sql.NullFloat64
+			if inputField.Float() == 0 {
+				outputField.Set(reflect.ValueOf(sql.NullFloat64{Valid: false}))
+			} else {
+				outputField.Set(reflect.ValueOf(sql.NullFloat64{Float64: inputField.Float(), Valid: true}))
+			}
+
 		case reflect.TypeOf(""):
 			// Handle normal string fields
 			if inputField.Kind() == reflect.Ptr && inputField.IsNil() {
@@ -112,6 +120,10 @@ func ConvertToSQLParams(input interface{}, output interface{}) {
 			// Handle normal int64 fields
 			outputField.SetInt(inputField.Int())
 
+		case reflect.TypeOf(float64(0)):
+			// Handle normal float64 fields
+			outputField.SetFloat(inputField.Float())
+
 		}
 	}
 }