Update core

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

@@ -21,7 +21,8 @@ namespace SqlSugar
         private bool IsDefaultValue { get; set; }
         private Func<string, bool> WhereColumnsfunc;
         private Func<string, string> FormatFileNameFunc { get; set; }
-        private bool IsStringNullable {get;set;}
+        private bool IsStringNullable {get;set; }
+        private Func<DbColumnInfo,string,string,string> PropertyTextTemplateFunc { get; set; }
         private ISqlBuilder SqlBuilder
         {
             get
@@ -97,6 +98,11 @@ namespace SqlSugar
             this.PropertyTemplate = func(this.PropertyTemplate);
             return this;
         }
+        public IDbFirst SettingPropertyTemplate(Func<DbColumnInfo, string,string,string> func)
+        {
+            this.PropertyTextTemplateFunc = func;
+            return this;
+        }
         public RazorFirst UseRazorAnalysis(string razorClassTemplate, string classNamespace = "Models")
         {
             if (razorClassTemplate == null)
@@ -264,7 +270,7 @@ namespace SqlSugar
                     string PropertyDescriptionText = this.PropertyDescriptionTemplate;
                     string propertyName = GetPropertyName(item);
                     string propertyTypeName = GetPropertyTypeName(item);
-                    PropertyText = GetPropertyText(item, PropertyText);
+                    PropertyText =this.PropertyTextTemplateFunc == null? GetPropertyText(item, PropertyText):this.PropertyTextTemplateFunc(item,this.PropertyTemplate, propertyTypeName);
                     PropertyDescriptionText = GetPropertyDescriptionText(item, PropertyDescriptionText);
                     PropertyText = PropertyDescriptionText + PropertyText;
                     classText = classText.Replace(DbFirstTemplate.KeyPropertyName, PropertyText + (isLast ? "" : ("\r\n" + DbFirstTemplate.KeyPropertyName)));
@@ -284,6 +290,7 @@ namespace SqlSugar
             classText = classText.Replace(DbFirstTemplate.KeyPropertyName, null);
             return classText;
         }
+
         internal string GetClassString(List<DbColumnInfo> columns, ref string className)
         {
             string classText = this.ClassTemplate;

Src/Asp.NetCore2/SqlSugar/Abstract/FastestProvider/FastBuilder.cs

@@ -9,6 +9,7 @@ namespace SqlSugar
 {
     public class FastBuilder 
     {
+        public virtual bool IsActionUpdateColumns { get; set; }
         public SqlSugarProvider Context { get; set; }
         public virtual string CharacterSet { get; set; }
         public virtual string UpdateSql { get; set; } = @"UPDATE TM

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

@@ -128,6 +128,7 @@ namespace SqlSugar
             this.context.CurrentConnectionConfig.IsAutoCloseConnection = false;
             DataTable dt = ToDdateTable(datas);
             IFastBuilder buider = GetBuider();
+            ActionIgnoreColums(whereColumns, updateColumns, dt, buider.IsActionUpdateColumns);
             buider.Context = context;
             await buider.CreateTempAsync<T>(dt);
             await buider.ExecuteBulkCopyAsync(dt);
@@ -142,6 +143,34 @@ namespace SqlSugar
             End(datas, false);
             return result;
         }
+
+        private  void ActionIgnoreColums(string[] whereColumns, string[] updateColumns, DataTable dt,bool IsActionUpdateColumns)
+        {
+            if (entityInfo.Columns.Where(it => it.IsIgnore == false).Count() > whereColumns.Length + updateColumns.Length &&IsActionUpdateColumns)
+            {
+                var ignoreColums = dt.Columns.Cast<DataColumn>()
+                .Where(it => !whereColumns.Any(y => y.EqualCase(it.ColumnName)))
+                .Where(it => !updateColumns.Any(y => y.EqualCase(it.ColumnName))).ToList();
+                foreach (DataRow item in dt.Rows)
+                {
+                    foreach (var col in ignoreColums)
+                    {
+                        if (item[col.ColumnName].IsNullOrEmpty())
+                        {
+                            if (col.DataType == UtilConstants.StringType)
+                            {
+                                item[col.ColumnName] = string.Empty;
+                            }
+                            else
+                            {
+                                item[col.ColumnName] = Activator.CreateInstance(col.DataType);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
         private async Task<int> _BulkUpdate(string tableName,DataTable dataTable, string[] whereColumns, string[] updateColumns)
         {
             var datas = new string[dataTable.Rows.Count].ToList();

Src/Asp.NetCore2/SqlSugar/Interface/IDbFirst.cs

@@ -10,6 +10,7 @@ namespace SqlSugar
         IDbFirst SettingClassTemplate(Func<string, string> func);
         IDbFirst SettingClassDescriptionTemplate(Func<string, string> func);
         IDbFirst SettingPropertyTemplate(Func<string, string> func);
+        IDbFirst SettingPropertyTemplate(Func<DbColumnInfo, string,string,string> func);
         IDbFirst SettingPropertyDescriptionTemplate(Func<string, string> func);
         IDbFirst SettingConstructorTemplate(Func<string, string> func);
         IDbFirst SettingNamespaceTemplate(Func<string, string> func);

Src/Asp.NetCore2/SqlSugar/Interface/IFastBuilder.cs

@@ -9,6 +9,7 @@ namespace SqlSugar
 {
     public interface  IFastBuilder
     {
+        bool IsActionUpdateColumns { get; set; }
         SqlSugarProvider Context { get; set; }
         string CharacterSet { get; set; }
         Task<int> UpdateByTempAsync(string tableName,string tempName,string [] updateColumns,string[] whereColumns);

Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/SqlBuilder/SqlServerFastBuilder.cs

@@ -12,6 +12,7 @@ namespace SqlSugar
    
     public class SqlServerFastBuilder:FastBuilder,IFastBuilder
     {
+        public override bool IsActionUpdateColumns { get; set; } = true;
         public async Task<int> ExecuteBulkCopyAsync(DataTable dt)
         {
 

Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteFastBuilder.cs

@@ -14,6 +14,7 @@ namespace SqlSugar
         private bool IsUpdate = false;
         public string CharacterSet { get; set; }
         private DataTable UpdateDataTable { get; set; }
+        public bool IsActionUpdateColumns { get; set; }
         public SqliteFastBuilder(EntityInfo entityInfo)
         {
             this.entityInfo = entityInfo;