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- 优化 参考 Chloe 表达式针对变量的解析，提升了一倍性能；
This commit is contained in:
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@ -110,6 +110,13 @@
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清空状态数据
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</summary>
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</member>
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<member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
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<summary>
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根据 lambda 条件删除数据
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</summary>
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<param name="predicate"></param>
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<returns></returns>
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</member>
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<member name="M:FreeSql.DbSet`1.Add(`0)">
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<summary>
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添加
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@ -2430,7 +2430,178 @@
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<summary>
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内置解析功能，可辅助您进行解析
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</summary>
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</member>mmary>
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</member>
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<member name="P:FreeSql.Aop.ParseExpressionEventArgs.Expression">
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<summary>
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需要您解析的表达式
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ParseExpressionEventArgs.Result">
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<summary>
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解析后的内容
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityEventArgs.EntityType">
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<summary>
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实体类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityEventArgs.ModifyResult">
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<summary>
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实体配置
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityEventArgs.ModifyIndexResult">
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<summary>
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索引配置
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.EntityType">
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<summary>
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实体类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.Property">
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<summary>
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实体的属性
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</summary>
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</member>
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<member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.ModifyResult">
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<summary>
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实体的属性配置
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.Identifier">
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<summary>
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标识符，可将 CurdBefore 与 CurdAfter 进行匹配
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.CurdType">
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<summary>
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操作类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.EntityType">
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<summary>
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实体类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.Table">
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<summary>
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实体类型的元数据
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.Sql">
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<summary>
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执行的 SQL
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdBeforeEventArgs.DbParms">
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<summary>
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参数化命令
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdAfterEventArgs.Exception">
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<summary>
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发生的错误
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdAfterEventArgs.ExecuteResult">
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<summary>
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执行SQL命令，返回的结果
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdAfterEventArgs.ElapsedTicks">
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<summary>
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耗时（单位：Ticks）
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</summary>
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</member>
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<member name="P:FreeSql.Aop.CurdAfterEventArgs.ElapsedMilliseconds">
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<summary>
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耗时（单位：毫秒）
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureBeforeEventArgs.Identifier">
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<summary>
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标识符，可将 SyncStructureBeforeEventArgs 与 SyncStructureAfterEventArgs 进行匹配
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureBeforeEventArgs.EntityTypes">
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<summary>
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实体类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.Sql">
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<summary>
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执行的 SQL
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.Exception">
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<summary>
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发生的错误
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.ElapsedTicks">
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<summary>
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耗时（单位：Ticks）
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</summary>
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</member>
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<member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.ElapsedMilliseconds">
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<summary>
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耗时（单位：毫秒）
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</summary>
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</member>
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<member name="P:FreeSql.Aop.AuditValueEventArgs.AuditValueType">
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<summary>
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类型
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</summary>
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</member>
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<member name="P:FreeSql.Aop.AuditValueEventArgs.Column">
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<summary>
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属性列的元数据
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</summary>
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</member>
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<member name="P:FreeSql.Aop.AuditValueEventArgs.Property">
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<summary>
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反射的属性信息
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</summary>
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</member>
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<member name="P:FreeSql.Aop.AuditValueEventArgs.Value">
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<summary>
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获取实体的属性值，也可以设置实体的属性新值
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsAutoSyncStructure">
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<summary>
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【开发环境必备】自动同步实体结构到数据库，程序运行中检查实体表是否存在，然后创建或修改
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsSyncStructureToLower">
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<summary>
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转小写同步结构
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsSyncStructureToUpper">
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<summary>
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转大写同步结构
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsConfigEntityFromDbFirst">
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<summary>
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将数据库的主键、自增、索引设置导入，适用 DbFirst 模式，无须在实体类型上设置 [Column(IsPrimary)] 或者 ConfigEntity。此功能目前可用于 mysql/sqlserver/postgresql/oracle。<para></para>
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本功能会影响 IFreeSql 首次访问的速度。<para></para>
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若使用 CodeFirst 创建索引后，又直接在数据库上建了索引，若无本功能下一次 CodeFirst 迁移时数据库上创建的索引将被删除
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsNoneCommandParameter">
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<summary>
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不使用命令参数化执行，针对 Insert/Update
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsGenerateCommandParameterWithLambda">
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<summary>
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是否生成命令参数化执行，针对 lambda 表达式解析
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</summary>
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</member>
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<member name="P:FreeSql.ICodeFirst.IsLazyLoading">
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<summary>
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@ -2716,189 +2887,41 @@
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C#：从元组集合中查找 exp1, exp2, exp2 是否存在<para></para>
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SQL： <para></para>
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exp1 = that[0].Item1 and exp2 = that[0].Item2 and exp3 = that[0].Item3 OR <para></para>
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exp1 = that[1].Item1 and exp2 = that[1].Item2 aummary>
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获取ado.net读取方法, GetBoolean、GetInt64
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exp1 = that[1].Item1 and exp2 = that[1].Item2 and exp3 = that[1].Item3 OR <para></para>
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... <para></para>
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注意：当 that 为 null 或 empty 时，返回 1=0
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</summary>
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<param name="column"></param>
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<typeparam name="T1"></typeparam>
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<typeparam name="T2"></typeparam>
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<typeparam name="T3"></typeparam>
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<param name="that"></param>
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<param name="exp1"></param>
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<param name="exp2"></param>
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<param name="exp3"></param>
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<returns></returns>
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</member>
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<member name="M:FreeSql.IDbFirst.GetCsStringify(FreeSql.DatabaseModel.DbColumnInfo)">
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<member name="M:FreeSqlGlobalExtensions.Distance(System.Drawing.Point,System.Drawing.Point)">
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<summary>
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序列化
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测量两个经纬度的距离，返回单位：米
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</summary>
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<param name="column"></param>
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<returns></returns>
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<param name="that">经纬坐标1</param>
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<param name="point">经纬坐标2</param>
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<returns>返回距离（单位：米）</returns>
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</member>
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<member name="M:FreeSql.IDbFirst.GetCsParse(FreeSql.DatabaseModel.DbColumnInfo)">
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<member name="M:FreeSqlGlobalExtensions.AsSelect``1(System.Collections.Generic.IEnumerable{``0})">
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<summary>
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反序列化
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</summary>
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<param name="column"></param>
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<returns></returns>
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</member>
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<member name="M:FreeSql.IDbFirst.GetEnumsByDatabase(System.String[])">
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<summary>
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获取数据库枚举类型，适用 PostgreSQL
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</summary>
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<param name="database"></param>
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<returns></returns>
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</member>
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<member name="M:FreeSql.Internal.CommonProvider.InsertProvider`1.IgnoreCanInsert">
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<summary>
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AsType, Ctor, ClearData 三处地方需要重新加载
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</summary>
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</member>
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<member name="M:FreeSql.Internal.CommonProvider.UpdateProvider`1.IgnoreCanUpdate">
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<summary>
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AsType, Ctor, ClearData 三处地方需要重新加载
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</summary>
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</member>
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<member name="M:FreeSql.Internal.CommonUtils.GetProperyCommentBySummary(System.Type)">
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<summary>
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通过属性的注释文本，通过 xml 读取
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</summary>
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<param name="type"></param>
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<returns>Dict：key=属性名，value=注释</returns>
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</member>
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<member name="M:FreeSql.Internal.GlobalFilter.Apply``1(System.String,System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
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<summary>
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创建一个过滤器
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将 IEnumable<T> 转成 ISelect<T>，以便使用 FreeSql 的查询功能。此方法用于 Lambad 表达式中，快速进行集合导航的查询。
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</summary>
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<typeparam name="TEntity"></typeparam>
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<param name="name">名字</param>
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<param name="where">表达式</param>
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<param name="that"></param>
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<returns></returns>
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</member>
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<member name="P:FreeSql.Internal.Model.TableRef.RefMiddleEntityType">
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<member name="M:FreeSqlGlobalExtensions.Select``2(IFreeSql)">
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<summary>
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中间表，多对多
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.None">
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<summary>
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不进行任何处理
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscore">
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<summary>
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将帕斯卡命名字符串转换为下划线分隔字符串
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<para></para>
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BigApple -> Big_Apple
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscoreWithUpper">
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<summary>
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将帕斯卡命名字符串转换为下划线分隔字符串，且转换为全大写
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<para></para>
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BigApple -> BIG_APPLE
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscoreWithLower">
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<summary>
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将帕斯卡命名字符串转换为下划线分隔字符串，且转换为全小写
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<para></para>
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BigApple -> big_apple
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.Upper">
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<summary>
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将字符串转换为大写
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<para></para>
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BigApple -> BIGAPPLE
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</summary>
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</member>
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<member name="F:FreeSql.Internal.StringConvertType.Lower">
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<summary>
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将字符串转换为小写
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<para></para>
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BigApple -> bigapple
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</summary>
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</member>
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<member name="M:FreeSql.Internal.StringUtils.PascalCaseToUnderScore(System.String)">
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<summary>
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将帕斯系映射，如： .IncludeMany(a => a.Tags.Where(tag => tag.TypeId == a.Id))<para></para>
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可以 .Take(5) 每个子集合只取5条，如： .IncludeMany(a => a.Tags.Take(5))<para></para>
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可以 .Select 设置只查询部分字段，如： (a => new TNavigate { Title = a.Title })
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</param>
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<param name="then">即能 ThenInclude，还可以二次过滤（这个 EFCore 做不到？）</param>
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<returns></returns>
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</member>
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<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.And``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
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<summary>
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使用 and 拼接两个 lambda 表达式
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多表查询
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</summary>
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<returns></returns>
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</member>
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<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.And``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
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<summary>
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使用 and 拼接两个 lambda 表达式
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</summary>
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<typeparam name="T"></typeparam>
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<param name="exp1"></param>
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<param name="condition">true 时生效</param>
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<param name="exp2"></param>
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<returns></returns>
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</member>
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<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Or``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
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<summary>
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使用 or 拼接两个 lambda 表达式
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</summary>
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<returns></returns>
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</member>
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<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Or``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
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<summary>
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使用 or 拼接两个 lambda 表达式
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</summary>
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<typeparam name="T"></typeparam>
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<param name="exp1"></param>
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<param name="condition">true 时生效</param>
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<param name="exp2"></param>
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<returns></returns>
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</member>
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<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Not``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Boolean)">
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<summary>
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将 lambda 表达式取反
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</summary>
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<typeparam name="T"></typeparam>
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<param name="exp"></param>
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<param name="condition">true 时生效</param>
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<returns></returns>
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</member>
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<member name="M:FreeUtil.NewMongodbId">
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<summary>
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生成类似Mongodb的ObjectId有序、不重复Guid
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</summary>
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<returns></returns>
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</member>
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<member name="M:IFreeSql.Insert``1">
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<summary>
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插入数据
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</summary>
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<typeparam name="T1"></typeparam>
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<returns></returns>
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</member>
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<member name="M:IFreeSql.Insert``1(``0)">
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<summary>
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插入数据，传入实体
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</summary>
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<typeparam name="T1"></typeparam>
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<param name="source"></param>
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<returns></returns>
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</member>
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<member name="M:IFreeSql.Insert``1(``0[])">
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<summary>
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插入数据，传入实体数组
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</summary>
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<typeparam name="T1"></typeparam>
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<param name="source"></param>
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<returns></returns>
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</member>
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<member name="M:IFreeSql.Insert``1(System.Collections.Generic.List{``0})">
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<summary>
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插入数据，传入实体集合
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</summary>
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<typeparam name="T1"></typeparam>
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er>
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<member name="M:FreeSqlGlobalExtensions.Select``3(IFreeSql)">
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<summary>
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多表查询
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@ -1005,6 +1005,7 @@ namespace FreeSql.Internal
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if (string.IsNullOrEmpty(other4Exp) == false) return other4Exp;
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}
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var expStack = new Stack<Expression>();
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var expStackConstOrMemberCount = 1;
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expStack.Push(exp);
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MethodCallExpression callExp = null;
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var exp2 = exp4?.Expression;
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@ -1014,6 +1015,7 @@ namespace FreeSql.Internal
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{
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case ExpressionType.Constant:
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expStack.Push(exp2);
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expStackConstOrMemberCount++;
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break;
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case ExpressionType.Parameter:
|
||||
expStack.Push(exp2);
|
||||
@ -1021,6 +1023,7 @@ namespace FreeSql.Internal
|
||||
case ExpressionType.MemberAccess:
|
||||
expStack.Push(exp2);
|
||||
exp2 = (exp2 as MemberExpression).Expression;
|
||||
expStackConstOrMemberCount++;
|
||||
if (exp2 == null) break;
|
||||
continue;
|
||||
case ExpressionType.Call:
|
||||
@ -1043,7 +1046,34 @@ namespace FreeSql.Internal
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (expStack.First().NodeType != ExpressionType.Parameter) return formatSql(Expression.Lambda(exp).Compile().DynamicInvoke(), tsc.mapType, tsc.mapColumnTmp, tsc.dbParams);
|
||||
if (expStack.First().NodeType != ExpressionType.Parameter)
|
||||
{
|
||||
if (expStackConstOrMemberCount == expStack.Count)
|
||||
{
|
||||
object firstValue = null;
|
||||
switch (expStack.First().NodeType)
|
||||
{
|
||||
case ExpressionType.Constant:
|
||||
var expStackFirst = expStack.Pop() as ConstantExpression;
|
||||
firstValue = expStackFirst?.Value;
|
||||
break;
|
||||
case ExpressionType.MemberAccess:
|
||||
var expStackFirstMem = expStack.First() as MemberExpression;
|
||||
if (expStackFirstMem.Expression?.NodeType == ExpressionType.Constant) firstValue = (expStackFirstMem.Expression as ConstantExpression)?.Value;
|
||||
break;
|
||||
}
|
||||
while (expStack.Any())
|
||||
{
|
||||
var expStackItem = expStack.Pop() as MemberExpression;
|
||||
if (expStackItem.Member.MemberType == MemberTypes.Property)
|
||||
firstValue = ((PropertyInfo)expStackItem.Member).GetValue(firstValue, null);
|
||||
else if (expStackItem.Member.MemberType == MemberTypes.Field)
|
||||
firstValue = ((FieldInfo)expStackItem.Member).GetValue(firstValue);
|
||||
}
|
||||
return formatSql(firstValue, tsc.mapType, tsc.mapColumnTmp, tsc.dbParams);
|
||||
}
|
||||
return formatSql(Expression.Lambda(exp).Compile().DynamicInvoke(), tsc.mapType, tsc.mapColumnTmp, tsc.dbParams);
|
||||
}
|
||||
if (callExp != null) return ExpressionLambdaToSql(callExp, tsc);
|
||||
if (tsc.getSelectGroupingMapString != null && expStack.First().Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`"))
|
||||
{
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user