/// <summary> /// 设置指定查询的语句并返回当前语句 /// </summary> /// <typeparam name="T">实体类类型</typeparam> /// <param name="cmd">选择语句</param> /// <param name="expr">Linq表达式</param> /// <exception cref="LinqNotSupportedException">Linq操作不支持</exception> /// <returns>当前语句</returns> public static SelectCommand Having <T>(this SelectCommand cmd, Expression <Func <T, Boolean> > expr) { return(cmd.Having(SqlLinqCondition.Create <T>(cmd, expr))); }