随笔分类 -  golang

golang 中使用mysql报错：“ scannable dest type slice with >1 columns (4) in result”
摘要：query := fmt.Sprintf("SELECT .... infos = make([]*struct, 0, 10) err = s.db.GetContext(ctx, &infos, query) 返回错误： scannable dest type slice with >1 col 阅读全文
posted @ 2020-06-28 20:45 bobojiang2016 阅读(2531) 评论(0) 推荐(0)
golang json字符串合并操作
摘要：golang json字符串合并操作，字段重复的覆盖，新增的添加 阅读全文
posted @ 2020-04-02 15:57 bobojiang2016 阅读(3230) 评论(0) 推荐(0)
goland 无法跳转 struct等
摘要：goland 提示： Cannot find declaration to go to 阅读全文
posted @ 2020-04-02 15:15 bobojiang2016 阅读(2368) 评论(0) 推荐(0)
golang 中mgo update报错： The dollar ($) prefixed field '$inc' in '$inc' is not valid for storage.
摘要：_, err := c.Find(bson.M{"index": index}).Apply(mgo.Change{ Upsert: true, ReturnNew: false, Update: bson.M{"create_time": time.Now(), "update_time": ti 阅读全文
posted @ 2020-04-02 14:17 bobojiang2016 阅读(1857) 评论(0) 推荐(0)