跳过空值

api/graphql.go

@@ -642,6 +642,9 @@ func NewSchema(config Config) (graphql.Schema, error) {
 						return nil, err
 					}
 					fmt.Println("Interest:", user_id, list)
+					if len(list) == 0 {
+						return map[string]interface{}{"list": []Image{}, "total": 0}, nil
+					}
 					query = query.Where(goqu.Ex{"web_images.id": goqu.Op{"in": list}}).Select("web_images.id", goqu.L(
 						fmt.Sprintf("ROW_NUMBER() OVER(ORDER BY FIELD(%s, %s))", "web_images.id", regexp.MustCompile(`[\[\]]`).ReplaceAllString(strings.Join(strings.Fields(fmt.Sprint(list)), ", "), "")),
 					).As("row_num"))