Synchronization code

Src/Asp.NetCore2/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs

@@ -293,6 +293,8 @@ namespace SqlSugar
                         column.CreateTableFieldSort = sugarColumn.CreateTableFieldSort;
                         column.InsertServerTime = sugarColumn.InsertServerTime;
                         column.InsertSql = sugarColumn.InsertSql;
+                        column.UpdateServerTime= sugarColumn.UpdateServerTime;
+                        column.UpdateSql= sugarColumn.UpdateSql;
                         if (sugarColumn.IsJson && String.IsNullOrEmpty(sugarColumn.ColumnDataType))
                         {
                             if (this.Context.CurrentConnectionConfig.DbType == DbType.PostgreSQL)

Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs

@@ -255,7 +255,7 @@ namespace SqlSugar
                         return setValue.First().Value;
                     }
                 }
-                var result = Builder.GetTranslationColumnName(it.DbColumnName) + "=" + this.Context.Ado.SqlParameterKeyWord + it.DbColumnName;
+                var result = Builder.GetTranslationColumnName(it.DbColumnName) + "=" + GetDbColumn(it,this.Context.Ado.SqlParameterKeyWord + it.DbColumnName);
                 return result;
             }));
             string whereString = null;
@@ -386,5 +386,36 @@ namespace SqlSugar
             var date = UtilMethods.ConvertFromDateTimeOffset((DateTimeOffset)value);
             return "'" + date.ToString("yyyy-MM-dd HH:mm:ss.fff") + "'";
         }
+
+        public virtual string GetDbColumn(DbColumnInfo columnInfo, object name)
+        {
+            if (columnInfo.UpdateServerTime)
+            {
+                return LambdaExpressions.DbMehtods.GetDate();
+            }
+            else if (columnInfo.UpdateSql.HasValue())
+            {
+                return columnInfo.UpdateSql;
+            }
+            else
+            {
+                return name + "";
+            }
+        }
+        public virtual string GetDbColumn(DbColumnInfo columnInfo, string name)
+        {
+            if (columnInfo.UpdateServerTime)
+            {
+                return LambdaExpressions.DbMehtods.GetDate();
+            }
+            else if (columnInfo.UpdateSql.HasValue())
+            {
+                return columnInfo.UpdateSql;
+            }
+            else
+            {
+                return name + "";
+            }
+        }
     }
 }

Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs

@@ -206,7 +206,9 @@ namespace SqlSugar
                     PropertyName = column.PropertyName,
                     PropertyType = UtilMethods.GetUnderType(column.PropertyInfo),
                     SqlParameterDbType = column.SqlParameterDbType,
-                    TableId = i
+                    TableId = i,
+                    UpdateSql=column.UpdateSql,
+                    UpdateServerTime= column.UpdateServerTime
                 };
                 if (columnInfo.PropertyType.IsEnum() && columnInfo.Value != null)
                 {

Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs

@@ -447,7 +447,7 @@ namespace SqlSugar
                     UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(SqlBuilder.GetTranslationColumnName(key), value));
                 }
             }
-            this.UpdateBuilder.DbColumnInfoList = UpdateBuilder.DbColumnInfoList.Where(it => (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
+            this.UpdateBuilder.DbColumnInfoList = UpdateBuilder.DbColumnInfoList.Where(it =>it.UpdateServerTime==true||it.UpdateSql.HasValue()|| (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
             CheckTranscodeing(false);
             AppendSets();
             return this;
@@ -491,7 +491,22 @@ namespace SqlSugar
                     }
                 }
             }
-            this.UpdateBuilder.DbColumnInfoList = UpdateBuilder.DbColumnInfoList.Where(it => (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
+            if (this.EntityInfo.Columns.Any(it => it.InsertServerTime || it.UpdateSql.HasValue())) 
+            {
+                var appendColumns = this.EntityInfo.Columns.Where(it => it.InsertServerTime || it.UpdateSql.HasValue());
+                foreach (var item in appendColumns)
+                {
+                    if (item.UpdateServerTime)
+                    {
+                        UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(SqlBuilder.GetTranslationColumnName(item.DbColumnName), SqlBuilder.GetTranslationColumnName(item.DbColumnName) + "=" + UpdateBuilder.LambdaExpressions.DbMehtods.GetDate()));
+                    }
+                    else if (item.UpdateSql.HasValue())
+                    {
+                        UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(SqlBuilder.GetTranslationColumnName(item.DbColumnName), SqlBuilder.GetTranslationColumnName(item.DbColumnName) + "=" + item.UpdateSql));
+                    }
+                }
+            }
+            this.UpdateBuilder.DbColumnInfoList = UpdateBuilder.DbColumnInfoList.Where(it =>it.UpdateServerTime||it.UpdateSql.HasValue()|| (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
             CheckTranscodeing(false);
             AppendSets();
             return this;

Src/Asp.NetCore2/SqlSugar/Entities/DbColumnInfo.cs

@@ -28,6 +28,8 @@ namespace SqlSugar
         public int CreateTableFieldSort { get; set; }
         public bool InsertServerTime { get;  set; }
         public string InsertSql { get;  set; }
+        public bool UpdateServerTime { get; set; }
+        public string UpdateSql { get; set; }
         internal object SqlParameterDbType { get;  set; }
     }
 }

Src/Asp.NetCore2/SqlSugar/Entities/EntityColumnInfo.cs

@@ -43,5 +43,7 @@ namespace SqlSugar
         public object SqlParameterSize { get;  set; }
         public string InsertSql { get;  set; }
         public bool InsertServerTime { get;  set; }
+        public bool UpdateServerTime { get; set; }
+        public string UpdateSql { get; set; }
     }
 }

Src/Asp.NetCore2/SqlSugar/Entities/Mapping/SugarMappingAttribute.cs

@@ -209,6 +209,8 @@ namespace SqlSugar
         public int CreateTableFieldSort { get; set; }
         public bool InsertServerTime { get; set; }
         public string InsertSql { get; set; }
+        public bool UpdateServerTime { get; set; }
+        public string UpdateSql { get; set; }
     }