vat code

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

@@ -82,10 +82,10 @@ namespace SqlSugar
                     var value = ValueConverter(column, PropertyCallAdapterProvider<T>.GetInstance(column.PropertyName).InvokeGet(item));
                     if (isMySql && column.UnderType == UtilConstants.BoolType)
                     {
-                        //if (value.ObjToBool() == false)
-                        //{
-                        //    value = DBNull.Value;
-                        //}
+                        if (value.ObjToBool() == false)
+                        {
+                            value = DBNull.Value;
+                        }
                     }
                     else if (isSqliteCore&&column.UnderType == UtilConstants.StringType && value is bool)
                     {
@@ -180,10 +180,10 @@ namespace SqlSugar
                     }
                     if (column.DataType==UtilConstants.BoolType&&this.context.CurrentConnectionConfig.DbType.IsIn(DbType.MySql, DbType.MySqlConnector)) 
                     {
-                        //if (Convert.ToBoolean(dr[column.ColumnName]) == false) 
-                        //{
-                        //    dr[column.ColumnName] = DBNull.Value;
-                        //}
+                        if (Convert.ToBoolean(dr[column.ColumnName]) == false) 
+                        {
+                            dr[column.ColumnName] = DBNull.Value;
+                        }
                     }
                 }
                 tempDataTable.Rows.Add(dr);

Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlBlukCopy.cs

@@ -169,16 +169,9 @@ namespace SqlSugar
                         sb.Append("\"" + row[colum].ToString().Replace("\"", "\"\"") + "\"");
                     }
                     else if (colum.DataType == typeof(bool))
-                    {
-                        if (row[colum]==null||row[colum] == DBNull.Value)
-                        {
-                            sb.Append("NULL");
-                        }
-                        else
                     {
                         sb.Append(row[colum].ObjToBool() ? 1 : 0);
                     }
-                    }
                     else if (colum.DataType == UtilConstants.DateType&& row[colum] != null && row[colum] != DBNull.Value) 
                     {
                         sb.Append(row[colum].ObjToDate().ToString("yyyy-MM-dd HH:mm:ss.fff"));