Update tenant

Src/Asp.Net/SqlSugar/Interface/ITenant.cs

@@ -11,13 +11,15 @@ namespace SqlSugar
         void BeginTran();
         void CommitTran();
         void RollbackTran();
-        void ChangeDatabase(string configId);
+        void ChangeDatabase(dynamic configId);
         void ChangeDatabase(Func<ConnectionConfig, bool> changeExpression);
         DbResult<bool> UseTran(Action action, Action<Exception> errorCallBack = null);
         Task<DbResult<bool>> UseTranAsync(Action action, Action<Exception> errorCallBack = null);
         DbResult<T> UseTran<T>(Func<T> action, Action<Exception> errorCallBack = null);
 
         Task<DbResult<T>> UseTranAsync<T>(Func<T> action, Action<Exception> errorCallBack = null);
+        void AddConnection(ConnectionConfig connection);
+        SqlSugarProvider GetConnection(dynamic configId);
 
         void Close();
         void Open();

Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -189,7 +189,7 @@ namespace SqlSugar
         {
             get
             {
-                return "CREATE {3} INDEX Index_{0}_{2} ON {0}({1})";
+                return "alter table  {0} rename to {1}";
             }
         }
 
@@ -197,7 +197,7 @@ namespace SqlSugar
         {
             get
             {
-                return "SELECT count(*) FROM sqlite_master WHERE name = '{0}'";
+                return "CREATE {3} INDEX Index_{0}_{2} ON {0}({1})";
             }
         }
         protected override string AddDefaultValueSql

Src/Asp.Net/SqlSugar/SqlSugarClient.cs

@@ -543,7 +543,44 @@ namespace SqlSugar
         #endregion
 
         #region TenantManager
-        public void ChangeDatabase(string configId)
+        public void AddConnection(ConnectionConfig connection)
+        {
+            Check.ArgumentNullException(connection, "AddConnection.connection can't be null");
+            InitTenant();
+            var db = this._AllClients.FirstOrDefault(it => it.ConnectionConfig.ConfigId == connection.ConfigId);
+            if (db == null)
+            {
+                if (this._AllClients == null)
+                {
+                    this._AllClients = new List<SugarTenant>();
+                }
+                var provider = new SqlSugarProvider(connection);
+                if (connection.AopEvents != null)
+                {
+                    provider.Ado.IsEnableLogEvent = true;
+                }
+                this._AllClients.Add(new SugarTenant()
+                {
+                    ConnectionConfig = connection,
+                    Context = provider
+                });
+            }
+        }
+        public SqlSugarProvider GetConnection(dynamic configId)
+        {
+            InitTenant();
+            var db = this._AllClients.FirstOrDefault(it => it.ConnectionConfig.ConfigId == configId);
+            if (db == null)
+            {
+                Check.Exception(true, "ConfigId was not found {0}", configId);
+            }
+            if (db.Context == null)
+            {
+                db.Context = new SqlSugarProvider(db.ConnectionConfig);
+            }
+            return db.Context;
+        }
+        public void ChangeDatabase(dynamic configId)
         {
             var isLog = _Context.Ado.IsEnableLogEvent;
             Check.Exception(!_AllClients.Any(it => it.ConnectionConfig.ConfigId == configId), "ConfigId was not found {0}", configId);
@@ -573,7 +610,7 @@ namespace SqlSugar
         public void BeginTran()
         {
             _IsAllTran = true;
-            this.Context.Ado.BeginTran();
+            AllClientEach(it => it.Ado.BeginTran());
         }
         public void CommitTran()
         {
@@ -749,6 +786,18 @@ namespace SqlSugar
                 }
             }
         }
+        private void InitTenant()
+        {
+            if (this._AllClients == null)
+            {
+                this._AllClients = new List<SugarTenant>();
+                this._AllClients.Add(new SugarTenant()
+                {
+                    ConnectionConfig = this.CurrentConnectionConfig,
+                    Context = this.Context
+                });
+            }
+        }
 
         private SqlSugarProvider Synchronization()
         {