Add Ccheck , Dbfirst and Codefirst requires system table permissions

SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs

@@ -22,6 +22,10 @@ namespace SqlSugar
         }
         public void InitTables(Type entityType)
         {
+            if (!this.Context.DbMaintenance.IsAnySystemTablePermissions())
+            {
+                Check.Exception(true, "Dbfirst and  Codefirst requires system table permissions");
+            }
             Check.Exception(this.Context.IsSystemTablesConfig, "Please set SqlSugarClent Parameter ConnectionConfig.InitKeyType=InitKeyType.Attribute ");
             var executeResult = Context.Ado.UseTran(() =>
             {

SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs

@@ -39,6 +39,9 @@ namespace SqlSugar
 
         public void Init()
         {
+            if (!this.Context.DbMaintenance.IsAnySystemTablePermissions()) {
+                Check.Exception(true, "Dbfirst and  Codefirst requires system table permissions");
+            }
             this.TableInfoList =this.Context.RewritableMethods.TranslateCopy(this.Context.DbMaintenance.GetTableInfoList());
             var viewList = this.Context.RewritableMethods.TranslateCopy(this.Context.DbMaintenance.GetViewInfoList());
             if (viewList.IsValuable())

SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs

@@ -99,6 +99,19 @@ namespace SqlSugar
         {
             return this.Context.Ado.GetInt("select  object_id('" + constraintName + "')") > 0;
         }
+        public virtual bool IsAnySystemTablePermissions()
+        {
+            string sql = this.CheckSystemTablePermissionsSql;
+            try
+            {
+                this.Context.Ado.ExecuteCommand(sql);
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
         #endregion
 
         #region DDL

SqlSugar/Abstract/DbMaintenanceProvider/Properties.cs

@@ -32,6 +32,10 @@ namespace SqlSugar
         protected abstract string RenameColumnSql { get; }
         #endregion
 
+        #region Check
+        protected abstract string CheckSystemTablePermissionsSql { get; }
+        #endregion
+
         #region Scattered
         protected abstract string CreateTableNull { get; }
         protected abstract string CreateTableNotNull { get; }

SqlSugar/Interface/IDbMaintenance.cs

@@ -22,6 +22,7 @@ namespace SqlSugar
         bool IsPrimaryKey(string tableName, string column);
         bool IsIdentity(string tableName, string column);
         bool IsAnyConstraint(string ConstraintName);
+        bool IsAnySystemTablePermissions();
         #endregion
 
         #region DDL

SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs

@@ -152,13 +152,25 @@ namespace SqlSugar
                 return "ALTER TABLE {0} DROP CONSTRAINT  {1}";
             }
         }
-        protected override string RenameColumnSql {
+        protected override string RenameColumnSql
-            get {
+        {
+            get
+            {
                 return "exec sp_rename '{0}.{1}','{2}','column';";
             }
         }
         #endregion
 
+        #region Check
+        protected override string CheckSystemTablePermissionsSql
+        {
+            get
+            {
+                return "select top 1 id from sysobjects";
+            }
+        }
+        #endregion
+
         #region Scattered
         protected override string CreateTableNull
         {