[英]Comma seperated in list of strings c# and dapper
I have a class which has this property among others: 我有一个具有此属性的班级:
public class ADUser
{
public IList<string> Relations { get; set; }
}
In my database table, Relations
is a comma-separated string column. 在我的数据库表中,
Relations
是一个用逗号分隔的字符串列。
I am using Dapper to get data. 我正在使用Dapper来获取数据。
This is my code: 这是我的代码:
public ADUser[] GetWithGroupsAndRelations()
{
using (var connection = ConnectionFactory.CreateConnection())
{
int numberOfUsersProcessed = 0;
_log.LogInfo("Getting users from database...");
var users = connection.GetList<ADUser>().ToArray();
//var users = connection.GetList<ADUser>().Take(1000).OrderBy(x => x.Id).ToArray();
_log.LogInfo($"Done getting {users.Count()} users from database...");
return users;
}
}
How can I map the comma-separated Relations
column to a list of strings while reading the data? 在读取数据时,如何将逗号分隔的“
Relations
列映射到字符串列表?
Thanks. 谢谢。 :)
:)
You should be able to do this without using any extensions (untested!): 您应该能够在不使用任何扩展名的情况下做到这一点(未经测试!):
ADUser[] users = connection.Query("SELECT Relations FROM AdUser")
.Select(x => new ADUser() { Relations = ((string)x.Relations)?.Split(new char[1] { ',' })?.ToList() })
.ToArray();
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