-

SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs

@@ -70,15 +70,21 @@ namespace SqlSugar
         private void PreToSql()
         {
             #region Identities
-            List<string> identities = Db.DbMaintenance.GetIsIdentities(this.InsertBuilder.TableName);
+            if (this.Context.IsSystemTablesConfig)
-            if (identities != null && identities.Any())
             {
-                var currentIgnoreColumns = this.Context.IgnoreColumns.Where(it => it.EntityName == this.EntityInfo.Name).ToList();
+                List<string> identities = Db.DbMaintenance.GetIsIdentities(this.InsertBuilder.TableName);
-                this.InsertBuilder.DbColumnInfoList = this.InsertBuilder.DbColumnInfoList.Where(it =>
+                if (identities != null && identities.Any())
                 {
-                    return !identities.Any(i => it.ColumnName.Equals(i, StringComparison.CurrentCultureIgnoreCase));
+                    var currentIgnoreColumns = this.Context.IgnoreColumns.Where(it => it.EntityName == this.EntityInfo.Name).ToList();
-                }).ToList();
+                    this.InsertBuilder.DbColumnInfoList = this.InsertBuilder.DbColumnInfoList.Where(it =>
-            } 
+                    {
+                        return !identities.Any(i => it.ColumnName.Equals(i, StringComparison.CurrentCultureIgnoreCase));
+                    }).ToList();
+                }
+            }
+            else {
+
+            }
             #endregion
 
             #region IgnoreColumns

SqlSugar/SqlSugarClient.cs

@@ -15,6 +15,16 @@ namespace SqlSugar
     /// </summary>
     public partial class SqlSugarClient : SqlSugarAccessory, IDisposable
     {
+        #region Properties
+        public bool IsSystemTablesConfig
+        {
+            get
+            {
+                return this.CurrentConnectionConfig is SystemTablesConfig;
+            }
+        } 
+        #endregion
+
         #region constructor
         /// <summary>
         /// If you have system table permissions, use this
@@ -110,7 +120,7 @@ namespace SqlSugar
             {
                 base._RewritableMethods = value;
             }
-        } 
+        }
         #endregion
 
         #region Queryable
@@ -236,7 +246,7 @@ namespace SqlSugar
             reval.EntityInfo = this.EntityProvider.GetEntityInfo<T>();
             reval.SqlBuilder = sqlBuilder;
             reval.InsertObjs = insertObjs;
-            sqlBuilder.InsertBuilder =reval.InsertBuilder = InstanceFactory.GetInsertBuilder(base.CurrentConnectionConfig);
+            sqlBuilder.InsertBuilder = reval.InsertBuilder = InstanceFactory.GetInsertBuilder(base.CurrentConnectionConfig);
             sqlBuilder.InsertBuilder.Builder = sqlBuilder;
             sqlBuilder.Context = reval.SqlBuilder.InsertBuilder.Context = this;
             reval.Init();