update

db/db.go

@@ -82,19 +82,36 @@ func ConvertToSQLParams(input interface{}, output interface{}) {
 			continue
 		}
 
+		// Handle fields of type sql.NullString, sql.NullInt64, and normal string/int64 fields
 		switch outputField.Type() {
 		case reflect.TypeOf(sql.NullString{}):
+			// Handle sql.NullString
 			if inputField.Kind() == reflect.Ptr && inputField.IsNil() {
 				outputField.Set(reflect.ValueOf(sql.NullString{Valid: false}))
 			} else {
 				outputField.Set(reflect.ValueOf(sql.NullString{String: inputField.String(), Valid: true}))
 			}
+
 		case reflect.TypeOf(sql.NullInt64{}):
+			// Handle sql.NullInt64
 			if inputField.Int() == 0 {
 				outputField.Set(reflect.ValueOf(sql.NullInt64{Valid: false}))
 			} else {
 				outputField.Set(reflect.ValueOf(sql.NullInt64{Int64: inputField.Int(), Valid: true}))
 			}
+
+		case reflect.TypeOf(""):
+			// Handle normal string fields
+			if inputField.Kind() == reflect.Ptr && inputField.IsNil() {
+				outputField.SetString("") // Set to empty string if input is nil
+			} else {
+				outputField.SetString(inputField.String())
+			}
+
+		case reflect.TypeOf(int64(0)):
+			// Handle normal int64 fields
+			outputField.SetInt(inputField.Int())
+
 		}
 	}
 }