- 优化 BaseEntity 查询数据时自动 Attach；

Extensions/FreeSql.Extensions.BaseEntity/BaseEntityReadOnly.cs

@@ -1,7 +1,10 @@
 using FreeSql.DataAnnotations;
 using System;
+using System.Collections;
+using System.Collections.Generic;
 using System.Data;
 using System.Diagnostics;
+using System.Linq;
 using System.Linq.Expressions;
 using System.Threading;
 
@@ -109,12 +112,47 @@ namespace FreeSql
         {
             get
             {
-                var select = Orm.Select<TEntity>().WithTransaction(UnitOfWork.Current.Value?.GetOrBeginTransaction(false));
+                var select = Orm.Select<TEntity>()
+                    .TrackToList(TrackToList) //自动为每个元素 Attach
+                    .WithTransaction(UnitOfWork.Current.Value?.GetOrBeginTransaction(false));
                 if (string.IsNullOrEmpty(CurrentTenantId) == false)
                     select.WhereCascade(a => (a as ITenant).TenantId == CurrentTenantId);
                 return select.WhereCascade(a => (a as BaseEntity).IsDeleted == false);
             }
         }
+
+        static void TrackToList(object list)
+        {
+            if (list == null) return;
+            var ls = list as IList<TEntity>;
+            if (ls == null)
+            {
+                var ie = list as IEnumerable;
+                if (ie == null) return;
+                var isFirst = true;
+                foreach (var item in ie)
+                {
+                    if (item == null) return;
+                    if (isFirst)
+                    {
+                        isFirst = false;
+                        var itemType = item.GetType();
+                        if (itemType == typeof(object)) return;
+                        if (itemType.FullName.StartsWith("Submission#")) itemType = itemType.BaseType;
+                        if (Orm.CodeFirst.GetTableByEntity(itemType)?.Primarys.Any() != true) return;
+                        if (item is BaseEntity<TEntity> == false) return;
+                    }
+                    (item as BaseEntity<TEntity>)?.Attach();
+                }
+                return;
+            }
+            if (ls.Any() == false) return;
+            if (ls.FirstOrDefault() is BaseEntity<TEntity> == false) return;
+            if (Orm.CodeFirst.GetTableByEntity(typeof(TEntity))?.Primarys.Any() != true) return;
+            foreach (var item in ls)
+                (item as BaseEntity<TEntity>)?.Attach();
+        }
+
         /// <summary>
         /// 设置当前租户id
         /// </summary>

FreeSql.DbContext/FreeSql.DbContext.xml

@@ -110,13 +110,6 @@
             清空状态数据
             </summary>
         </member>
-        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
-            <summary>
-            根据 lambda 条件删除数据
-            </summary>
-            <param name="predicate"></param>
-            <returns></returns>
-        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加

FreeSql/FreeSql.xml

@@ -1037,7 +1037,7 @@
         <member name="M:FreeSql.ISelect0`2.AsAlias(System.Func{System.Type,System.String,System.String})">
             <summary>
             设置别名规则，可用于拦截表别名，实现类似 sqlserver 的 with(nolock) 需求<para></para>
-            如：select.AsAlias((_, oldAlias) => oldAlias + " with(lock)")
+            如：select.AsAlias((_, old) => $"{old} with(lock)")
             </summary>
             <param name="aliasRule"></param>
             <returns></returns>
@@ -2146,6 +2146,137 @@
             <param name="parms"></param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
+            </summary>
+            <param name="readerHander"></param>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.String,System.Object)">
+            <summary>
+            查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new { age = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
         <member name="P:FreeSql.IAop.ParseExpression">
             <summary>
             可自定义解析表达式
@@ -2924,160 +3055,3 @@
         </member>
     </members>
 </doc>
-unc{``0,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
-            <summary>
-            使用 or 拼接两个 lambda 表达式
-            </summary>
-            <typeparam name="T"></typeparam>
-            <param name="exp1"></param>
-            <param name="condition">true 时生效</param>
-            <param name="exp2"></param>
-            <returns></returns>
-        </member>
-        <member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Not``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Boolean)">
-            <summary>
-            将 lambda 表达式取反
-            </summary>
-            <typeparam name="T"></typeparam>
-            <param name="exp"></param>
-            <param name="condition">true 时生效</param>
-            <returns></returns>
-        </member>
-        <member name="M:FreeUtil.NewMongodbId">
-            <summary>
-            生成类似Mongodb的ObjectId有序、不重复Guid
-            </summary>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Insert``1">
-            <summary>
-            插入数据
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Insert``1(``0)">
-            <summary>
-            插入数据，传入实体
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="source"></param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Insert``1(``0[])">
-            <summary>
-            插入数据，传入实体数组
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="source"></param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Insert``1(System.Collections.Generic.List{``0})">
-            <summary>
-            插入数据，传入实体集合
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="source"></param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Insert``1(System.Collections.Generic.IEnumerable{``0})">
-            <summary>
-            插入数据，传入实体集合
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="source"></param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Update``1">
-            <summary>
-            修改数据
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Update``1(System.Object)">
-            <summary>
-            修改数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Select``1">
-            <summary>
-            查询数据
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Select``1(System.Object)">
-            <summary>
-            查询数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Delete``1">
-            <summary>
-            删除数据
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Delete``1(System.Object)">
-            <summary>
-            删除数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
-            <returns></returns>
-        </member>
-        <member name="M:IFreeSql.Transaction(System.Action)">
-            <summary>
-            开启事务（不支持异步），60秒未执行完成（可能）被其他线程事务自动提交
-            </summary>
-            <param name="handler">事务体 () => {}</param>
-        </member>
-        <member name="M:IFreeSql.Transaction(System.TimeSpan,System.Action)">
-            <summary>
-            开启事务（不支持异步）
-            </summary>
-            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
-            <param name="handler">事务体 () => {}</param>
-        </member>
-        <member name="M:IFreeSql.Transaction(System.Data.IsolationLevel,System.TimeSpan,System.Action)">
-            <summary>
-            开启事务（不支持异步）
-            </summary>
-            <param name="isolationLevel"></param>
-            <param name="handler">事务体 () => {}</param>
-            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
-        </member>
-        <member name="P:IFreeSql.Ado">
-            <summary>
-            数据库访问对象
-            </summary>
-        </member>
-        <member name="P:IFreeSql.Aop">
-            <summary>
-            所有拦截方法都在这里
-            </summary>
-        </member>
-        <member name="P:IFreeSql.CodeFirst">
-            <summary>
-            CodeFirst 模式开发相关方法
-            </summary>
-        </member>
-        <member name="P:IFreeSql.DbFirst">
-            <summary>
-            DbFirst 模式开发相关方法
-            </summary>
-        </member>
-        <member name="P:IFreeSql.GlobalFilter">
-            <summary>
-            全局过滤设置，可默认附加为 Select/Update/Delete 条件
-            </summary>
-        </member>
-    </members>
-</doc>

FreeSql/Interface/Curd/ISelect/ISelect0.cs

@@ -124,7 +124,7 @@ namespace FreeSql
         TSelect AsTable(Func<Type, string, string> tableRule);
         /// <summary>
         /// 设置别名规则，可用于拦截表别名，实现类似 sqlserver 的 with(nolock) 需求<para></para>
-        /// 如：select.AsAlias((_, oldAlias) => oldAlias + " with(lock)")
+        /// 如：select.AsAlias((_, old) => $"{old} with(lock)")
         /// </summary>
         /// <param name="aliasRule"></param>
         /// <returns></returns>