SqlSugar/Src/Asp.Net/SqlServerTest/UnitTest/CrossDatabase02.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SqlSugar;
using SqlSugarDemo;

namespace OrmTest
{
    public class CrossDatabase02
    {
        public static void Init()
        {

            var db = new SqlSugarClient(new List<ConnectionConfig>()
            {
                new ConnectionConfig(){ConfigId="A",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST",IsAutoCloseConnection=true},
                new ConnectionConfig(){ConfigId="B",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST2",IsAutoCloseConnection=true  },
                new ConnectionConfig(){ConfigId="AB",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST3",IsAutoCloseConnection=true  }
            });

            db.GetConnection("A").CodeFirst.InitTables<OperatorInfo>();
            db.GetConnection("B").CodeFirst.InitTables<Role>();
            db.GetConnection("AB").CodeFirst.InitTables<OptRole>();

            db.GetConnection("A").DbMaintenance.TruncateTable<OperatorInfo>();
            db.GetConnection("B").DbMaintenance.TruncateTable<Role>();
            db.GetConnection("AB").DbMaintenance.TruncateTable<OptRole>();

            db.GetConnection("A").Insertable(new OperatorInfo() {  id=10, realname="A"}).ExecuteCommand();
            db.GetConnection("B").Insertable(new Role() {  id=101, name="B"}).ExecuteCommand();
            db.GetConnection("AB").Insertable(new OptRole() {  id=1, operId=10, roleId=101}).ExecuteCommand();

             var x=db.QueryableWithAttr<OperatorInfo>()
                //.CrossQueryWithAttr()
                .Includes(z => z.Roles).ToList();

            if (x.First().Roles.Count == 0) 
            {
                throw new Exception("unit error");
            }
            db.Aop.OnLogExecuting = (s1, p1) => Console.WriteLine(s1);
            var x2 = db.QueryableWithAttr<OptRole>()
            .Where(it => it.Roleinfo.id == 101).ToList();

            var x3 = db.QueryableWithAttr<OptRole>()
                .LeftJoin<Role>((x1, y1) => x1.roleId == y1.id).ToSql();
 
        }
        /// <summary>
        /// 描述：
        /// 作者：synjones
        /// 时间：2022-04-20 21:30:28
        /// </summary>
        [SugarTable("unit_operatorinfo8")]
        [Tenant("A")]
        public partial class OperatorInfo
        {
            /// <summary>
            /// 主键
            /// </summary>
            [SugarColumn(IsPrimaryKey = true)]
            public int id { get; set; }

            /// <summary>
            /// 姓名
            /// </summary>
            public string realname { get; set; }

            /// <summary>
            /// 多角色
            /// </summary>
            [Navigate(typeof(OptRole), nameof(OptRole.operId), nameof(OptRole.roleId))]//名字换
            public List<Role> Roles { get; set; }
        }

        /// <summary>
        /// 描述：
        /// 作者：synjones
        /// 时间：2022-04-20 21:30:28
        /// </summary>
        [SugarTable("unit_role18")]
        [Tenant("B")]
        public partial class Role
        {
            /// <summary>
            /// 角色
            /// </summary>
            [SugarColumn(IsPrimaryKey = true )]
            public int id { get; set; }

            /// <summary>
            /// 角色名称
            /// </summary>
            public string name { get; set; }
 
        }
 

        /// <summary>
        /// 描述：
        /// 作者：synjones
        /// 时间：2022-04-21 14:35:09
        /// </summary>
        [SugarTable("unit_operator_role8")]
        [Tenant("AB")]
        public partial class OptRole
        {
            /// <summary>
            /// 
            /// </summary>
            [SugarColumn(IsPrimaryKey = true)]
            public int id { get; set; }

            /// <summary>
            /// 
            /// </summary>
            public int operId { get; set; }

            /// <summary>
            /// 
            /// </summary>
            public int roleId { get; set; }

            [Navigate(NavigateType.OneToOne,nameof(roleId))]
            public Role Roleinfo { get; set; }


        }
    }
}