读写分离添加默认行为方式

samples/Sample.MySql/Controllers/WeatherForecastController.cs

@@ -318,5 +318,41 @@ namespace Sample.MySql.Controllers
             // var sysUserMods2 = await _defaultTableDbContext.Set<SysTest>().FromSqlRaw("select * from SysTest where id='2'").ToListAsync();
             return Ok();
         }
+        [HttpGet]
+        public async Task<IActionResult> Get9()
+        {
+            var sysUserMod = await _defaultTableDbContext.Set<SysUserMod>().Where(o=>o.Name=="11231").AllAsync(o=>o.Id=="1123");
+     
+            // var sysUserMods1 = await _defaultTableDbContext.Set<SysUserMod>().FromSqlRaw("select * from SysUserMod where id='2'").ToListAsync();
+            // var sysUserMods2 = await _defaultTableDbContext.Set<SysTest>().FromSqlRaw("select * from SysTest where id='2'").ToListAsync();
+            return Ok();
+        }
+        [HttpGet]
+        public async Task<IActionResult> Get10()
+        {
+            var sysUserMod1 = await _defaultTableDbContext.Set<SysTest>().Where(o=>o.UserId=="11231").AllAsync(o=>o.Id=="1123"&&string.Compare(o.UserId,"123")>0);
+            var sysUserMod2 = await _defaultTableDbContext.Set<SysTest>().AllAsync(o=>o.Id=="1123");
+            var dateTime = new DateTime(2020,1,1);
+            var sysUserMod3 = await _defaultTableDbContext.Set<SysUserLogByMonth>().Where(o => o.Time > dateTime)
+                .ToListAsync();
+     
+            // var sysUserMods1 = await _defaultTableDbContext.Set<SysUserMod>().FromSqlRaw("select * from SysUserMod where id='2'").ToListAsync();
+            // var sysUserMods2 = await _defaultTableDbContext.Set<SysTest>().FromSqlRaw("select * from SysTest where id='2'").ToListAsync();
+            return Ok();
+        }
+        [HttpGet]
+        public async Task<IActionResult> Get11()
+        {
+            using(var tran = await _defaultTableDbContext.Database.BeginTransactionAsync())
+            {
+                var newGuid = Guid.NewGuid().ToString("n");
+                await _defaultTableDbContext.Set<SysTest>().Where(o => o.Id == "11")
+                    .ExecuteUpdateAsync(o => o.SetProperty(x => x.UserId, x => newGuid));
+                throw new Exception("123");
+                await tran.CommitAsync();
+            }
+
+            return Ok();
+        }
     }
 }

samples/Sample.MySql/Startup.cs

@@ -197,7 +197,7 @@ namespace Sample.MySql
             // app.ApplicationServices.UseAutoTryCompensateTable();
             // using (var scope = app.ApplicationServices.CreateScope())
             // {
-            //     var defaultShardingDbContext = scope.ServiceProvider.GetService<OtherDbContext>();
+            //     var defaultShardingDbContext = scope.ServiceProvider.GetService<DefaultShardingDbContext>();
             //     // if (defaultShardingDbContext.Database.GetPendingMigrations().Any())
             //     {
             //         try
@@ -209,6 +209,10 @@ namespace Sample.MySql
             //         {
             //         }
             //     }
+            //     // var shardingRuntimeContext = defaultShardingDbContext.GetShardingRuntimeContext();
+            //     // var tableRouteManager = shardingRuntimeContext.GetTableRouteManager();
+            //     // var virtualTableRoute = (SysUserLogByMonthRoute)tableRouteManager.GetRoute(typeof(SysUserLogByMonth));
+            //     // virtualTableRoute.Append("2021");
             // }
             //
             // app.ApplicationServices.UseAutoTryCompensateTable(12);

src/ShardingCore/Core/ShardingConfigurations/ShardingConfigOptions.cs

@@ -115,6 +115,7 @@ namespace ShardingCore.Core.ShardingConfigurations
         /// <param name="defaultPriority">默认优先级建议大于0</param>
         /// <param name="readConnStringGetStrategy">LatestFirstTime:DbContext缓存,LatestEveryTime:每次都是最新</param>
         /// <exception cref="ArgumentNullException"></exception>
+        [Obsolete("plz use AddReadWriteSeparation param use ReadWriteDefaultEnableBehavior")]
         public void AddReadWriteSeparation(
             Func<IShardingProvider, IDictionary<string, IEnumerable<string>>> readWriteSeparationConfigure,
             ReadStrategyEnum readStrategyEnum,
@@ -125,7 +126,31 @@ namespace ShardingCore.Core.ShardingConfigurations
             ShardingReadWriteSeparationOptions = new ShardingReadWriteSeparationOptions();
             ShardingReadWriteSeparationOptions.ReadWriteSeparationConfigure= readWriteSeparationConfigure ?? throw new ArgumentNullException(nameof(readWriteSeparationConfigure));
             ShardingReadWriteSeparationOptions.ReadStrategy = readStrategyEnum;
-            ShardingReadWriteSeparationOptions.DefaultEnable=defaultEnable;
+            ShardingReadWriteSeparationOptions.DefaultEnableBehavior=defaultEnable?ReadWriteDefaultEnableBehavior.DefaultEnable:ReadWriteDefaultEnableBehavior.DefaultDisable;
+            ShardingReadWriteSeparationOptions.DefaultPriority= defaultPriority;
+            ShardingReadWriteSeparationOptions.ReadConnStringGetStrategy= readConnStringGetStrategy;
+        }
+        /// <summary>
+        /// 添加读写分离配置
+        /// </summary>
+        /// <param name="readWriteSeparationConfigure"></param>
+        /// <param name="readStrategyEnum">随机或者轮询</param>
+        /// <param name="defaultEnableBehavior"></param>
+        /// <param name="defaultEnable">DefaultDisable表示哪怕您添加了读写分离也不会进行读写分离查询,只有需要的时候自行开启,DefaultEnable表示默认查询就是走的读写分离,InTransactionEnable在事务中的查询使用读写分离,InTransactionDisbale在事务中不使用读写分离</param>
+        /// <param name="defaultPriority">默认优先级建议大于0</param>
+        /// <param name="readConnStringGetStrategy">LatestFirstTime:DbContext缓存,LatestEveryTime:每次都是最新</param>
+        /// <exception cref="ArgumentNullException"></exception>
+        public void AddReadWriteSeparation(
+            Func<IShardingProvider, IDictionary<string, IEnumerable<string>>> readWriteSeparationConfigure,
+            ReadStrategyEnum readStrategyEnum,
+            ReadWriteDefaultEnableBehavior defaultEnableBehavior = ReadWriteDefaultEnableBehavior.DefaultDisable,
+            int defaultPriority = 10,
+            ReadConnStringGetStrategyEnum readConnStringGetStrategy = ReadConnStringGetStrategyEnum.LatestFirstTime)
+        {
+            ShardingReadWriteSeparationOptions = new ShardingReadWriteSeparationOptions();
+            ShardingReadWriteSeparationOptions.ReadWriteSeparationConfigure= readWriteSeparationConfigure ?? throw new ArgumentNullException(nameof(readWriteSeparationConfigure));
+            ShardingReadWriteSeparationOptions.ReadStrategy = readStrategyEnum;
+            ShardingReadWriteSeparationOptions.DefaultEnableBehavior=defaultEnableBehavior;
             ShardingReadWriteSeparationOptions.DefaultPriority= defaultPriority;
             ShardingReadWriteSeparationOptions.ReadConnStringGetStrategy= readConnStringGetStrategy;
         }
@@ -148,6 +173,7 @@ namespace ShardingCore.Core.ShardingConfigurations
         /// <param name="defaultPriority"></param>
         /// <param name="readConnStringGetStrategy"></param>
         /// <exception cref="ArgumentNullException"></exception>
+        [Obsolete("plz use AddReadWriteNodeSeparation param use ReadWriteDefaultEnableBehavior")]
         public void AddReadWriteNodeSeparation(
             Func<IShardingProvider, IDictionary<string, IEnumerable<ReadNode>>> readWriteNodeSeparationConfigure,
             ReadStrategyEnum readStrategyEnum,
@@ -158,7 +184,40 @@ namespace ShardingCore.Core.ShardingConfigurations
             ShardingReadWriteSeparationOptions = new ShardingReadWriteSeparationOptions();
             ShardingReadWriteSeparationOptions.ReadWriteNodeSeparationConfigure= readWriteNodeSeparationConfigure ?? throw new ArgumentNullException(nameof(readWriteNodeSeparationConfigure));
             ShardingReadWriteSeparationOptions.ReadStrategy = readStrategyEnum;
-            ShardingReadWriteSeparationOptions.DefaultEnable=defaultEnable;
+            ShardingReadWriteSeparationOptions.DefaultEnableBehavior=defaultEnable?ReadWriteDefaultEnableBehavior.DefaultEnable:ReadWriteDefaultEnableBehavior.DefaultDisable;
+            ShardingReadWriteSeparationOptions.DefaultPriority= defaultPriority;
+            ShardingReadWriteSeparationOptions.ReadConnStringGetStrategy= readConnStringGetStrategy;
+        }
+        /// <summary>
+        /// 读写分离配置 和 AddReadWriteSeparation不同的是
+        /// 当前配置支持自定义读链接节点命名,命名的好处在于当使用读库链接的时候由于服务器性能的差异
+        /// 可以将部分吃性能的查询通过节点名称切换到对应的性能相对较好或者较空闲的读库服务器
+        /// <code><![CDATA[
+        /// IShardingReadWriteManager _readWriteManager=...
+        ///   using (_readWriteManager.CreateScope())
+        ///     {
+        ///         _readWriteManager.GetCurrent().SetReadWriteSeparation(100,true);
+        ///         _readWriteManager.GetCurrent().AddDataSourceReadNode("A", readNodeName);
+        ///         var xxxaaa = await _defaultTableDbContext.Set<SysUserSalary>().FirstOrDefaultAsync();
+        ///   }]]></code>
+        /// </summary>
+        /// <param name="readWriteNodeSeparationConfigure"></param>
+        /// <param name="readStrategyEnum"></param>
+        /// <param name="defaultEnableBehavior"></param>
+        /// <param name="defaultPriority"></param>
+        /// <param name="readConnStringGetStrategy"></param>
+        /// <exception cref="ArgumentNullException"></exception>
+        public void AddReadWriteNodeSeparation(
+            Func<IShardingProvider, IDictionary<string, IEnumerable<ReadNode>>> readWriteNodeSeparationConfigure,
+            ReadStrategyEnum readStrategyEnum,
+            ReadWriteDefaultEnableBehavior defaultEnableBehavior = ReadWriteDefaultEnableBehavior.DefaultDisable,
+            int defaultPriority = 10,
+            ReadConnStringGetStrategyEnum readConnStringGetStrategy = ReadConnStringGetStrategyEnum.LatestFirstTime)
+        {
+            ShardingReadWriteSeparationOptions = new ShardingReadWriteSeparationOptions();
+            ShardingReadWriteSeparationOptions.ReadWriteNodeSeparationConfigure= readWriteNodeSeparationConfigure ?? throw new ArgumentNullException(nameof(readWriteNodeSeparationConfigure));
+            ShardingReadWriteSeparationOptions.ReadStrategy = readStrategyEnum;
+            ShardingReadWriteSeparationOptions.DefaultEnableBehavior=defaultEnableBehavior;
             ShardingReadWriteSeparationOptions.DefaultPriority= defaultPriority;
             ShardingReadWriteSeparationOptions.ReadConnStringGetStrategy= readConnStringGetStrategy;
         }

src/ShardingCore/Core/ShardingConfigurations/ShardingReadWriteSeparationOptions.cs

@@ -7,13 +7,25 @@ namespace ShardingCore.Core.ShardingConfigurations
 {
     public class ShardingReadWriteSeparationOptions
     {
-        public Func<IShardingProvider, IDictionary<string, IEnumerable<string>>> ReadWriteSeparationConfigure { get; set; }
+        public Func<IShardingProvider, IDictionary<string, IEnumerable<string>>> ReadWriteSeparationConfigure
-        public Func<IShardingProvider, IDictionary<string, IEnumerable<ReadNode>>> ReadWriteNodeSeparationConfigure { get; set; }
+        {
+            get;
+            set;
+        }
+
+        public Func<IShardingProvider, IDictionary<string, IEnumerable<ReadNode>>> ReadWriteNodeSeparationConfigure
+        {
+            get;
+            set;
+        }
 
         public ReadStrategyEnum ReadStrategy { get; set; } = ReadStrategyEnum.Loop;
-        public bool DefaultEnable { get; set; } = false;
+        // public bool DefaultEnable { get; set; } = false;
         public int DefaultPriority { get; set; } = 10;
 
+        public ReadWriteDefaultEnableBehavior DefaultEnableBehavior { get; set; } =
+            ReadWriteDefaultEnableBehavior.DefaultDisable;
+
         public ReadConnStringGetStrategyEnum ReadConnStringGetStrategy { get; set; } =
             ReadConnStringGetStrategyEnum.LatestFirstTime;
     }

src/ShardingCore/Core/VirtualDatabase/VirtualDataSources/Abstractions/AbstractVirtualDataSourceConfigurationParams.cs

@@ -21,7 +21,7 @@ namespace ShardingCore.Core.VirtualDatabase.VirtualDataSources.Abstractions
         public virtual IDictionary<string, string> ExtraDataSources { get; }=new ConcurrentDictionary<string, string>();
         public virtual IDictionary<string, ReadNode[]> ReadWriteNodeSeparationConfigs { get; }
         public virtual ReadStrategyEnum? ReadStrategy { get; }
-        public virtual bool? ReadWriteDefaultEnable { get; }
+        public virtual ReadWriteDefaultEnableBehavior? ReadWriteDefaultEnableBehavior { get; }
         public virtual int? ReadWriteDefaultPriority { get; }
         public virtual ReadConnStringGetStrategyEnum? ReadConnStringGetStrategy { get; }
 

src/ShardingCore/Core/VirtualDatabase/VirtualDataSources/Abstractions/IVirtualDataSourceConfigurationParams.cs

@@ -36,7 +36,7 @@ namespace ShardingCore.Core.VirtualDatabase.VirtualDataSources.Abstractions
         IDictionary<string, ReadNode[]> ReadWriteNodeSeparationConfigs { get; }
 
         ReadStrategyEnum? ReadStrategy { get; }
-        bool? ReadWriteDefaultEnable { get; }
+        ReadWriteDefaultEnableBehavior? ReadWriteDefaultEnableBehavior { get; }
         int? ReadWriteDefaultPriority { get; }
         /// <summary>
         /// 读写分离链接字符串获取

src/ShardingCore/Core/VirtualDatabase/VirtualDataSources/SimpleVirtualDataSourceConfigurationParams.cs

@@ -23,7 +23,7 @@ namespace ShardingCore.Core.VirtualDatabase.VirtualDataSources
         public override IDictionary<string, string> ExtraDataSources { get; }
         public override IDictionary<string, ReadNode[]> ReadWriteNodeSeparationConfigs { get; }
         public override ReadStrategyEnum? ReadStrategy { get; }
-        public override bool? ReadWriteDefaultEnable { get; }
+        public override ReadWriteDefaultEnableBehavior? ReadWriteDefaultEnableBehavior { get; }
         public override int? ReadWriteDefaultPriority { get; }
         public override ReadConnStringGetStrategyEnum? ReadConnStringGetStrategy { get; }
 
@@ -57,7 +57,7 @@ namespace ShardingCore.Core.VirtualDatabase.VirtualDataSources
                     }
                 }
                 ReadStrategy = options.ShardingReadWriteSeparationOptions.ReadStrategy;
-                ReadWriteDefaultEnable = options.ShardingReadWriteSeparationOptions.DefaultEnable;
+                ReadWriteDefaultEnableBehavior = options.ShardingReadWriteSeparationOptions.DefaultEnableBehavior;
                 ReadWriteDefaultPriority = options.ShardingReadWriteSeparationOptions.DefaultPriority;
                 ReadConnStringGetStrategy = options.ShardingReadWriteSeparationOptions.ReadConnStringGetStrategy;
             }

src/ShardingCore/Core/VirtualDatabase/VirtualDataSources/VirtualDataSource.cs

@@ -77,9 +77,9 @@ namespace ShardingCore.Core.VirtualDatabase.VirtualDataSources
             {
                 throw new ArgumentException(nameof(ConfigurationParams.ReadConnStringGetStrategy));
             }
-            if (!ConfigurationParams.ReadWriteDefaultEnable.HasValue)
+            if (!ConfigurationParams.ReadWriteDefaultEnableBehavior.HasValue)
             {
-                throw new ArgumentException(nameof(ConfigurationParams.ReadWriteDefaultEnable));
+                throw new ArgumentException(nameof(ConfigurationParams.ReadWriteDefaultEnableBehavior));
             }
             if (!ConfigurationParams.ReadWriteDefaultPriority.HasValue)
             {

src/ShardingCore/Extensions/ShardingReadWriteExtension.cs

@@ -61,7 +61,7 @@ namespace ShardingCore.Extensions
                 }
             }
 
-            shardingDbContextExecutor.ReadWriteSeparation = readOnly;
+            shardingDbContextExecutor.ReadWriteSeparationBehavior = ReadWriteDefaultEnableBehavior.DefaultEnable;
         }
 
         public static void SetReadWriteSeparation(this ShardingReadWriteContext shardingReadWriteContext, int priority,
@@ -76,6 +76,7 @@ namespace ShardingCore.Extensions
         /// </summary>
         /// <param name="shardingDbContext"></param>
         /// <returns></returns>
+        [Obsolete(" plz use CurrentIsReadWriteSeparationBehavior")]
         public static bool CurrentIsReadWriteSeparation(this IShardingDbContext shardingDbContext)
         {
             if (shardingDbContext.IsUseReadWriteSeparation())
@@ -101,5 +102,30 @@ namespace ShardingCore.Extensions
 
             return false;
         }
+        public static ReadWriteDefaultEnableBehavior CurrentIsReadWriteSeparationBehavior(this IShardingDbContext shardingDbContext)
+        {
+            if (shardingDbContext.IsUseReadWriteSeparation())
+            {
+                var shardingRuntimeContext = ((DbContext)shardingDbContext).GetShardingRuntimeContext();
+                var shardingDbContextExecutor = shardingDbContext.GetShardingExecutor();
+                var shardingReadWriteManager = shardingRuntimeContext.GetService<IShardingReadWriteManager>();
+                var shardingReadWriteContext = shardingReadWriteManager.GetCurrent();
+                if (shardingReadWriteContext != null)
+                {
+                    if (shardingReadWriteContext.DefaultPriority > shardingDbContextExecutor.ReadWriteSeparationPriority)
+                    {
+                        return shardingReadWriteContext.DefaultEnableBehavior;
+                    }
+                    else
+                    {
+                        return shardingDbContextExecutor.ReadWriteSeparationBehavior;
+                    }
+                }
+
+                return shardingDbContextExecutor.ReadWriteSeparationBehavior;
+            }
+
+            return ReadWriteDefaultEnableBehavior.DefaultDisable;
+        }
     }
 }

src/ShardingCore/Sharding/Abstractions/IReadWriteSwitch.cs

@@ -17,5 +17,6 @@ namespace ShardingCore.Sharding.Abstractions
     {
         int ReadWriteSeparationPriority { get; set; }
         bool ReadWriteSeparation { get; set; }
+        ReadWriteDefaultEnableBehavior ReadWriteSeparationBehavior { get; set; }
     }
 }

src/ShardingCore/Sharding/ActualConnectionStringManager.cs

@@ -19,23 +19,25 @@ namespace ShardingCore.Sharding
     */
     public class ActualConnectionStringManager
     {
+        public DbContext ShellDbContext { get; }
         private readonly bool _useReadWriteSeparation;
         private readonly IShardingReadWriteManager _shardingReadWriteManager;
         private readonly IVirtualDataSource _virtualDataSource;
         public int ReadWriteSeparationPriority { get; set; }
-        public bool ReadWriteSeparation { get; set; }
+        public ReadWriteDefaultEnableBehavior ReadWriteSeparation { get; set; }
         public ReadStrategyEnum ReadStrategy { get; set; }
         public ReadConnStringGetStrategyEnum ReadConnStringGetStrategy { get; set; }
         private string _cacheConnectionString;
-        public ActualConnectionStringManager(IShardingReadWriteManager shardingReadWriteManager,IVirtualDataSource virtualDataSource)
+        public ActualConnectionStringManager(IShardingReadWriteManager shardingReadWriteManager,IVirtualDataSource virtualDataSource,DbContext shellDbContext)
         {
+            ShellDbContext = shellDbContext;
             _shardingReadWriteManager = shardingReadWriteManager;
             _virtualDataSource=virtualDataSource;
             _useReadWriteSeparation = virtualDataSource.ConnectionStringManager is ReadWriteConnectionStringManager;
             if (_useReadWriteSeparation)
             {
                 ReadWriteSeparationPriority = virtualDataSource.ConfigurationParams.ReadWriteDefaultPriority.GetValueOrDefault();
-                ReadWriteSeparation = virtualDataSource.ConfigurationParams.ReadWriteDefaultEnable.GetValueOrDefault();
+                ReadWriteSeparation = virtualDataSource.ConfigurationParams.ReadWriteDefaultEnableBehavior.GetValueOrDefault(ReadWriteDefaultEnableBehavior.DefaultDisable);
                 ReadStrategy = virtualDataSource.ConfigurationParams.ReadStrategy.GetValueOrDefault();
                 ReadConnStringGetStrategy = virtualDataSource.ConfigurationParams.ReadConnStringGetStrategy.GetValueOrDefault();
             }
@@ -62,9 +64,25 @@ namespace ShardingCore.Sharding
             return _virtualDataSource.GetConnectionString(dataSourceName);
         }
 
+        private bool useReadWriteSeparation(ReadWriteDefaultEnableBehavior behavior,bool inTransaction)
+        {
+            if (behavior == ReadWriteDefaultEnableBehavior.DefaultEnable)
+            {
+                return true;
+            }
+
+            if (behavior == ReadWriteDefaultEnableBehavior.OutTransactionEnable)
+            {
+                return !inTransaction;
+            }
+
+            return false;
+        }
+
         private string GetReadWriteSeparationConnectString(string dataSourceName)
         {
-            var support = ReadWriteSeparation;
+            bool inTransaction=ShellDbContext.Database.CurrentTransaction != null;
+            var support = useReadWriteSeparation(ReadWriteSeparation,inTransaction);
             string readNodeName = null;
             var hasConfig = false;
             var shardingReadWriteContext = _shardingReadWriteManager.GetCurrent();
@@ -72,8 +90,8 @@ namespace ShardingCore.Sharding
             {
                 var dbFirst = ReadWriteSeparationPriority >= shardingReadWriteContext.DefaultPriority;
                 support = dbFirst
-                    ? ReadWriteSeparation
+                    ? useReadWriteSeparation(ReadWriteSeparation,inTransaction)
-                    : shardingReadWriteContext.DefaultReadEnable;
+                    : useReadWriteSeparation(shardingReadWriteContext.DefaultEnableBehavior,inTransaction);
                 if (!dbFirst&& support)
                 {
                     hasConfig = shardingReadWriteContext.TryGetDataSourceReadNode(dataSourceName, out readNodeName);

src/ShardingCore/Sharding/ReadWriteConfigurations/ReadWriteDefaultEnableBehavior.cs

@@ -0,0 +1,15 @@
+namespace ShardingCore.Sharding.ReadWriteConfigurations
+{
+    /**
+     * 读写分离默认行为
+     */
+    public enum ReadWriteDefaultEnableBehavior
+    {
+        //默认不启用
+        DefaultDisable,
+        //默认启用
+        DefaultEnable,
+        //不在事务中启用
+        OutTransactionEnable
+    }
+}

src/ShardingCore/Sharding/ReadWriteConfigurations/ShardingReadWriteContext.cs

@@ -13,13 +13,27 @@ namespace ShardingCore.Sharding.ReadWriteConfigurations
     */
     public class ShardingReadWriteContext
     {
-        public bool DefaultReadEnable { get; set; }
+        [Obsolete("use DefaultEnableBehavior")]
+        public bool DefaultReadEnable
+        {
+            get { return DefaultEnableBehavior == ReadWriteDefaultEnableBehavior.DefaultEnable; }
+            set
+            {
+                DefaultEnableBehavior =
+                    value
+                        ? ReadWriteDefaultEnableBehavior.DefaultEnable
+                        : ReadWriteDefaultEnableBehavior.DefaultDisable;
+            }
+        }
+
+        public ReadWriteDefaultEnableBehavior DefaultEnableBehavior { get; set; }
         public int DefaultPriority { get; set; }
         private readonly Dictionary<string /*数据源*/, string /*数据源对应的读节点名称*/> _dataSourceReadNode;
 
         private ShardingReadWriteContext()
         {
             DefaultReadEnable = false;
+            DefaultEnableBehavior = ReadWriteDefaultEnableBehavior.DefaultDisable;
             DefaultPriority = 0;
             _dataSourceReadNode = new Dictionary<string, string>();
         }
@@ -28,6 +42,7 @@ namespace ShardingCore.Sharding.ReadWriteConfigurations
         {
             return new ShardingReadWriteContext();
         }
+
         /// <summary>
         /// 添加数据源对应读节点获取名称
         /// </summary>
@@ -40,16 +55,18 @@ namespace ShardingCore.Sharding.ReadWriteConfigurations
             {
                 return false;
             }
+
             _dataSourceReadNode.Add(dataSource, readNodeName);
             return true;
         }
+
         /// <summary>
         /// 尝试获取对应数据源的读节点名称
         /// </summary>
         /// <param name="dataSource"></param>
         /// <param name="readNodeName"></param>
         /// <returns></returns>
-        public bool TryGetDataSourceReadNode(string dataSource,out string readNodeName)
+        public bool TryGetDataSourceReadNode(string dataSource, out string readNodeName)
         {
             return _dataSourceReadNode.TryGetValue(dataSource, out readNodeName);
         }

src/ShardingCore/Sharding/ShardingDbContextExecutors/ShardingDbContextExecutor.cs

@@ -66,7 +66,14 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
             set => _actualConnectionStringManager.ReadWriteSeparationPriority = value;
         }
 
+        [Obsolete("use ReadWriteSeparationBehavior")]
         public bool ReadWriteSeparation
+        {
+            get => _actualConnectionStringManager.ReadWriteSeparation==ReadWriteDefaultEnableBehavior.DefaultEnable;
+            set => _actualConnectionStringManager.ReadWriteSeparation = value?ReadWriteDefaultEnableBehavior.DefaultEnable:ReadWriteDefaultEnableBehavior.DefaultDisable;
+        }
+
+        public ReadWriteDefaultEnableBehavior ReadWriteSeparationBehavior
         {
             get => _actualConnectionStringManager.ReadWriteSeparation;
             set => _actualConnectionStringManager.ReadWriteSeparation = value;
@@ -92,7 +99,7 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
             var loggerFactory = shardingProvider.GetRequiredService<ILoggerFactory>();
             _logger = loggerFactory.CreateLogger<ShardingDbContextExecutor>();
             _actualConnectionStringManager =
-                new ActualConnectionStringManager(shardingReadWriteManager, _virtualDataSource);
+                new ActualConnectionStringManager(shardingReadWriteManager, _virtualDataSource,_shardingDbContext);
         }
 
         #region create db context

test/ShardingCore.Test/ShardingTest.cs

@@ -58,7 +58,7 @@ namespace ShardingCore.Test
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager, _virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager, _virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test/ShardingTestSync.cs

@@ -52,7 +52,7 @@ namespace ShardingCore.Test
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test2x/ShardingTest.cs

@@ -55,7 +55,7 @@ namespace ShardingCore.Test2x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test2x/ShardingTestSync.cs

@@ -52,7 +52,7 @@ namespace ShardingCore.Test2x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test3x/ShardingTest.cs

@@ -55,7 +55,7 @@ namespace ShardingCore.Test3x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test3x/ShardingTestSync.cs

@@ -52,7 +52,7 @@ namespace ShardingCore.Test3x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test5x/ShardingTest.cs

@@ -55,7 +55,7 @@ namespace ShardingCore.Test5x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test5x/ShardingTestSync.cs

@@ -52,7 +52,7 @@ namespace ShardingCore.Test5x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test6x/ShardingTest.cs

@@ -58,7 +58,7 @@ namespace ShardingCore.Test6x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager, _virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager, _virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();

test/ShardingCore.Test6x/ShardingTestSync.cs

@@ -52,7 +52,7 @@ namespace ShardingCore.Test6x
             _shardingRouteManager = shardingRuntimeContext.GetShardingRouteManager();
             _shardingReadWriteManager = shardingRuntimeContext.GetShardingReadWriteManager();
             _virtualDataSource = shardingRuntimeContext.GetVirtualDataSource();
-            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource);
+            _connectionStringManager = new ActualConnectionStringManager(_shardingReadWriteManager,_virtualDataSource,virtualDbContext);
             _configuration = configuration;
             _entityMetadataManager = shardingRuntimeContext.GetEntityMetadataManager();
             _tableRouteManager = shardingRuntimeContext.GetTableRouteManager();