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- 增加 ISelect.AsTreeCte() 递归查询树表（向下或向下）；

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28810
2020-06-27 17:01:51 +08:00
parent 4cde2a3280
commit 838dd83e47
17 changed files with 368 additions and 72 deletions
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30
FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs
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@ -1705,7 +1705,7 @@ WHERE (((cast(a.[Id] as nvarchar(100))) in (SELECT b.[Title]
Assert.Equal("110100", t3[0].Childs[0].Childs[0].Code);
Assert.Equal("110101", t3[0].Childs[0].Childs[1].Code);
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsCteTree().OrderBy(a => a.Code).ToTreeList();
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsTreeCte().OrderBy(a => a.Code).ToTreeList();
Assert.Single(t3);
Assert.Equal("100000", t3[0].Code);
Assert.Single(t3[0].Childs);
@ -1714,18 +1714,42 @@ WHERE (((cast(a.[Id] as nvarchar(100))) in (SELECT b.[Title]
Assert.Equal("110100", t3[0].Childs[0].Childs[0].Code);
Assert.Equal("110101", t3[0].Childs[0].Childs[1].Code);
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsCteTree().OrderBy(a => a.Code).ToList();
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsTreeCte().OrderBy(a => a.Code).ToList();
Assert.Equal(4, t3.Count);
Assert.Equal("100000", t3[0].Code);
Assert.Equal("110000", t3[1].Code);
Assert.Equal("110100", t3[2].Code);
Assert.Equal("110101", t3[3].Code);
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "北京").AsCteTree().OrderBy(a => a.Code).ToList();
t3 = fsql.Select<VM_District_Child>().Where(a => a.Name == "北京").AsTreeCte().OrderBy(a => a.Code).ToList();
Assert.Equal(3, t3.Count);
Assert.Equal("110000", t3[0].Code);
Assert.Equal("110100", t3[1].Code);
Assert.Equal("110101", t3[2].Code);
var t4 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsTreeCte(a => a.Name).OrderBy(a => a.Code)
.ToList(a => new { item = a, level = Convert.ToInt32("a.cte_level"), path = "a.cte_path" });
Assert.Equal(4, t4.Count);
Assert.Equal("100000", t4[0].item.Code);
Assert.Equal("110000", t4[1].item.Code);
Assert.Equal("110100", t4[2].item.Code);
Assert.Equal("110101", t4[3].item.Code);
Assert.Equal("中国", t4[0].path);
Assert.Equal("中国 -> 北京", t4[1].path);
Assert.Equal("中国 -> 北京 -> 北京市", t4[2].path);
Assert.Equal("中国 -> 北京 -> 东城区", t4[3].path);
t4 = fsql.Select<VM_District_Child>().Where(a => a.Name == "中国").AsTreeCte(a => a.Name + "[" + a.Code + "]").OrderBy(a => a.Code)
.ToList(a => new { item = a, level = Convert.ToInt32("a.cte_level"), path = "a.cte_path" });
Assert.Equal(4, t4.Count);
Assert.Equal("100000", t4[0].item.Code);
Assert.Equal("110000", t4[1].item.Code);
Assert.Equal("110100", t4[2].item.Code);
Assert.Equal("110101", t4[3].item.Code);
Assert.Equal("中国[100000]", t4[0].path);
Assert.Equal("中国[100000] -> 北京[110000]", t4[1].path);
Assert.Equal("中国[100000] -> 北京[110000] -> 北京市[110100]", t4[2].path);
Assert.Equal("中国[100000] -> 北京[110000] -> 东城区[110101]", t4[3].path);
}
[Table(Name = "D_District")]