Update Core

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs

@@ -106,7 +106,7 @@ namespace SqlSugar
             foreach (var columnInfo in columnInfos)
             {
                 string fileName = columnInfo.DbColumnName ?? columnInfo.PropertyName;
-                if (columnInfo.IsIgnore)
+                if (columnInfo.IsIgnore&& !this.ReaderKeys.Any(it=>it.Equals(fileName,StringComparison.CurrentCultureIgnoreCase)))
                 {
                     continue;
                 }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/MapperCache.cs

@@ -22,7 +22,7 @@ namespace SqlSugar
         public Result Get<Result>(Func<List<T>, Result> action)
         {
             GetIndex++;
-            string key = "Get" + GetIndex;
+            string key = "Get" +typeof(Result)+action.GetHashCode()+action.Method.Name;
             if (caches.ContainsKey(key))
             {
                 return (Result)caches[key];

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs

@@ -146,7 +146,7 @@ namespace SqlSugar
         {
             get
             {
-                return "exec sp_rename '{0}.{1}','{2}','column';";
+                return "alter table {0} change  column {1} {2}";
             }
         }
         #endregion
@@ -366,6 +366,38 @@ namespace SqlSugar
             return dataSize;
         }
 
+        public override bool RenameColumn(string tableName, string oldColumnName, string newColumnName)
+        {
+            var columns=GetColumnInfosByTableName(tableName).Where(it=>it.DbColumnName.Equals(oldColumnName,StringComparison.CurrentCultureIgnoreCase));
+            if (columns != null && columns.Any())
+            {
+                var column = columns.First();
+                var appendSql = " " + column.DataType;
+                if (column.Length > 0 && column.Scale == 0)
+                {
+                    appendSql += string.Format("({0}) ", column.Length);
+                }
+                else if (column.Scale > 0 && column.Length > 0)
+                {
+                    appendSql += string.Format("({0},{1}) ", column.Length, column.Scale);
+                }
+                else
+                {
+                    appendSql += column.IsNullable ? " NULL" : "NOT NULL";
+                }
+                tableName = this.SqlBuilder.GetTranslationTableName(tableName);
+                oldColumnName = this.SqlBuilder.GetTranslationColumnName(oldColumnName);
+                newColumnName = this.SqlBuilder.GetTranslationColumnName(newColumnName);
+                string sql = string.Format(this.RenameColumnSql, tableName, oldColumnName, newColumnName+appendSql);
+                this.Context.Ado.ExecuteCommand(sql);
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
         public override bool IsAnyConstraint(string constraintName)
         {
             throw new NotSupportedException("MySql IsAnyConstraint NotSupportedException");