NBearLite 用MsAccess数据库时 Count() 的错误(BUG?)

先看出错信息:
语法错误 (操作符丢失) 在查询表达式 'COUNT([Messages].[Id]) [COUNT_Messages_Id]' 中

 
数据库文件:*.mdb
C#代码为:

messagesCount = (int)DBService.Select(GuessBookTableColumns.Messages,GuessBookTableColumns.Messages.Id.Count()).Where(where).ToScalar(); 

NBearLite生成的cmd.CommandText 为: 

"SELECT COUNT([Messages].[Id]) [COUNT_Messages_Id] FROM [Messages]"

此SQL语句在SQL中是可以正确执行的,但是在MsAccess中就必需加入 AS 才能正确执行,即:
"SELECT COUNT([Messages].[Id]) AS [COUNT_Messages_Id] FROM [Messages]"
注:此语句在SQL中也可以执行

我测试的是这样的,如有错误,请指正!

原文地址:https://www.cnblogs.com/QLeelulu/p/935344.html