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- 增加 SqlServer lambda 表达式树解析子查询 ToList + string.Join() 产生 类似 group_concat 的效果；#405

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28810
2020-08-08 00:53:27 +08:00
parent 25e73117b1
commit 1a8c7ce86d
4 changed files with 68 additions and 0 deletions
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18
FreeSql.Tests/FreeSql.Tests/SqlServer/SqlServerExpression/StringTest.cs
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@ -66,6 +66,24 @@ namespace FreeSql.Tests.SqlServerExpression
list.Add(select.Where(a => a.TitleVarchar == "aaa").ToList());
}
[Fact]
public void StringJoin()
{
var fsql = g.sqlserver;
fsql.Delete<StringJoin01>().Where("1=1").ExecuteAffrows();
fsql.Insert(new[] { new StringJoin01 { name = "<22><><EFBFBD><EFBFBD>" }, new StringJoin01 { name = "<22>Ϻ<EFBFBD>" }, new StringJoin01 { name = "<22><><EFBFBD><EFBFBD>" }, }).ExecuteAffrows();
var val1 = string.Join(",", fsql.Select<StringJoin01>().ToList(a => a.name)) + ",";
var val2 = fsql.Select<StringJoin01>().ToList(a => string.Join(",", fsql.Select<StringJoin01>().As("b").ToList(b => b.name)));
Assert.Equal(val1, val2[0]);
}
class StringJoin01
{
[Column(IsIdentity = true)]
public int id { get; set; }
public string name { get; set; }
}
[Fact]
public void First()
{