Question

阅读完文档后，我不确定但是我得出的结论是，在创建QueryDb时，你不能选择要加入的列？而且我的印象是，你必须有DTO对象才能复制到？您无法复制到常规对象或动态对象？

public class SampleAutoQueryDb : QueryDb<MailResponseDetailOrm, object>, ILeftJoin<MailResponseDetailOrm, MailResponseOrm> { }

任何人都可以提供有关将我的MailResponseOrm加入MailResponseDetailOrm的任何见解。 MailResponseDetailOrm有5个字段，即Email地址。我希望MailResponseOrm也可以Email加入它。我也很好，不想改变任何一个列名。我是否必须创建自定义实现或服务才能执行此操作？

更新

以下是我发布的代码：

        [Alias("MailReportsDetail")]
        public class MailResponseDetailOrm
        {
            public string Email { get; set; }

            public int ID { get; set; }

            [Alias("RespDate")]
            public DateTime? AddedDateTime { get; set; }

            [Alias("DLReport")]
            public string Action { get; set; }

            public string ActionDetail { get; set; }

            public string IP { get; set; }

            public string UserAgent { get; set; }

            public string EmailReferrer { get; set; }
        }

    [Alias("MailReports")]
    public class MailResponseOrm
    {
        public int ID { get; set; }

        public string Email { get; set; }

        public string Address1 { get; set; }

        public string Address2 { get; set; }

        public string City { get; set; }

        public string Company { get; set; }

        public string Contact { get; set; }

        public string Country { get; set; }

        [Alias("LastMail")]
        public DateTime? ModifiedDateTime { get; set; }

        [Alias("LastReport")]
        public string Action { get; set; }

        public DateTime? OptOut { get; set; }

        public string Part { get; set; }

        public string Phone { get; set; }

        public string PostalCode { get; set; }

        public string Source { get; set; }

        public string State { get; set; }

        public string Title { get; set; }

        #region Obsolete

        [Obsolete]
        public string Class { get; set; }

        [Obsolete]
        public string IP { get; set; }

        #endregion
    }

public class SampleAutoQueryDb : QueryDb<MailResponseDetailOrm> { }

public class MyQueryServices : Service
{
    public IAutoQueryDb AutoQuery { get; set; }

    // Override with custom implementation
    public object Any(SampleAutoQueryDb query)
    {
        var q = AutoQuery.CreateQuery(query, base.Request);
        q.Join<MailResponseDetailOrm, MailResponseOrm>((x, y) => x.Email == y.Email)
            // .Select<MailResponseDetailOrm, MailResponseOrm>((x, y) => new { x.ID, y.Email })
            ;
        return AutoQuery.Execute(query, q);
    }
}

Answer 1

加入AutoQuery需要使用OrmLite's Joins Reference conventions并且所有AutoQuery Services结果都在Typed DTO中返回，默认情况下是要查询的表，或者您可以使用QueryDb<From,Into>基类返回{ {3}}

如果您需要超出此范围的自定义，则需要使用custom result of columns from multiple joined tables或您自己的服务实现，例如：

public class SampleAutoQueryDb : QueryDb<MailResponseDetailOrm> { }

public class MyQueryServices : Service
{
    public IAutoQueryDb AutoQuery { get; set; }

    // Override with custom implementation
    public object Any(SampleAutoQueryDb query)
    {
        var q = AutoQuery.CreateQuery(query, base.Request);
        q.Join<MailResponseDetailOrm,MailResponseOrm>((x, y) => x.Email == y.Email);
        return AutoQuery.Execute(query, q);
    }
}

Answer 2

//在类中未特别设置的字段名上连接2个对象的查询。

var q = Db.From<MailResponseDetailOrm>().Join<MailResponseDetailOrm>(x,y) => x.Email = y.Email);

//运行查询

var results = Db.Select(q);

ServiceStack AutoQuery连接使用

2 个答案: