C#FreeSql分库分表

using FreeSql;
using FreeSql.DataAnnotations;

namespace FreeSqlMaster
{
    internal class Program
    {
        static IFreeSql freeSql = null;

        static void Main(string[] args)
        {
            // 读写分离
            // FreeSql 实现了第3种方案，支持一个【主库】多个【从库】，【从库】的查询策略为随机方式。
            // 若某【从库】发生故障，将切换到其他可用【从库】，若已全部不可用则使用【主库】查询。
            // 出现故障【从库】被隔离起来间隔性的检查可用状态，以待恢复
            var connstr_master = "server=127.0.0.1;port=3306;database=test;user=root;password=root;charset=utf8;SslMode=none;Pooling=true;Min Pool Size=0;Max Pool Size=100;Charset=utf8";
            var connstr_slave1 = "server=127.0.0.1;port=3306;database=test1;user=root;password=root;charset=utf8;SslMode=none;Pooling=true;Min Pool Size=0;Max Pool Size=100;Charset=utf8";
            var connstr2_mysql = "server=127.0.0.1;port=3306;database=test;user=root;password=root;charset=utf8;SslMode=none;Pooling=true;Min Pool Size=0;Max Pool Size=100;Charset=utf8";

            freeSql = new FreeSql.FreeSqlBuilder()
                .UseConnectionString(FreeSql.DataType.MySql, connstr_master)
                .UseAutoSyncStructure(true) // 自动同步实体结构到数据库
                                            //.UseSlave(connstr_slave1)//, "connstr_sqlserver2") //使用从数据库，支持多个
                                            //.UseSlaveWeight()
                .Build();

            //Student model = new Student() { Name = "1" };
            //freeSql.Insert(model).ExecuteAffrows();
            freeSql.Update().SetSource(model).ExecuteAffrows();

            //var d = freeSql.Select().Where(x => x.Name == "1").First(); //select.Where(a => a.Id == 1).ToOne(); //读【从库】（默认） //select.Master().WhereId(a => a.Id == 1).ToOne(); //强制读【主库】  

            // 分表
            //freeSql.Select().Any();
            var logRepository = freeSql.GetGuidRepository(null, oldname => $"{oldname}_201903");
            logRepository.Insert( new Log() { Content = "201903" });
            logRepository.Update(new Log() { Content = "111", Id = 1 });
            logRepository.Delete(new Log() { Id = 1 });

            logRepository = freeSql.GetGuidRepository(null, oldname => $"{oldname}_201904");
            logRepository.Insert(new Log() { Content = "201904" });

            // 跨表查询
            var sql = freeSql.Select()
                    .AsTable((type, oldname) => "Log_201903")
                    .AsTable((type, oldname) => "Log_201904")
                    .ToList();// a => a.Id

            // 分库 
            IdleBus ib = new IdleBus(TimeSpan.FromMinutes(10)); 
            ib.Register("test", () => new FreeSqlBuilder().UseConnectionString(DataType.MySql, connstr_master).Build());
            ib.Register("test1", () => new FreeSqlBuilder().UseConnectionString(DataType.MySql, connstr_slave1).Build()); 
            var lst1 = ib.Get("test").Select().Limit(10).ToList();
            var lst2 = ib.Get("test1").Select().Limit(10).ToList();

            Console.ReadKey();
        }

        public class Student
        {
            [Column(Name = "id", IsIdentity = true, IsPrimary = true)]
            public int Id { get; set; }
            public string Name { get; set; }
        }

        public class Log
        {
            [Column(Name = "id", IsIdentity = true, IsPrimary = true)]
            public int Id { get; set; }
            public string Content { get; set; }
        }
    }
}