lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-04-05 17:37:58 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add demo

Browse Source
This commit is contained in:
sunkaixuan 2023-11-18 03:01:47 +08:00
parent e55d6765df
commit d58dcd746a
12 changed files with 280 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
Src/Asp.Net/MySqlTest/4_Subquery.cs Normal file
View File

@ -0,0 +1,68 @@
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OrmTest
{
public class _4_Subquery
{
public static void Init()
{
var db = DbHelper.GetNewDb();
db.CodeFirst.InitTables<Student, School>();
db.DbMaintenance.TruncateTable<Student, School>();
db.Insertable(new Student() { Id = 1, SchoolId = 1 }).ExecuteCommand();
db.Insertable(new School() { Id = 1, Name = "Harvard School" }).ExecuteCommand();
db.Insertable(new Student() { Id = 2, SchoolId = 2 }).ExecuteCommand();
db.Insertable(new School() { Id = 2, Name = "haha School" }).ExecuteCommand();
//subquery select
var result = db.Queryable<Student>()
.Select(st => new
{
SchoolName = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => s.Name),
MaxSchoolId = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => SqlFunc.AggregateMax(s.Id)),
MaxSchoolId2 = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Max(s => s.Id),
})
.ToList();
//Exists:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE (EXISTS ( SELECT * FROM [School0402] [s] WHERE ( [Id] = [it].[SchoolId] ) ))
var result2 = db.Queryable<Student>()
.Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.SchoolId).Any())
.ToList();
//In:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE [Id] in (SELECT [Id] FROM [School0402] [s] GROUP BY [Id])
var result3 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().GroupBy(s => s.Id).Select(s => s.Id))
.ToList();
//Equal:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE ( [Id] =(SELECT TOP 1 [s].[Id] FROM [School0402] [s] ))
var result4 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().Select(s => s.Id))
.ToList();
}
[SugarTable("Student0402")]
public class Student
{
public int Id { get; set; }
public int SchoolId { get; set; }
}
[SugarTable("School0402")]
public class School
{
public int Id { get; set; }
public string Name { get; set; }
}
}
}

1
Src/Asp.Net/MySqlTest/MySqlTest.csproj
View File

@ -83,6 +83,7 @@
<Compile Include="2_DbFirst.cs" />
<Compile Include="3_EasyQuery.cs" />
<Compile Include="4_JoinQuery.cs" />
<Compile Include="4_Subquery.cs" />
<Compile Include="5_PageQuery.cs" />
<Compile Include="6_NavigationPropertyQuery.cs" />
<Compile Include="7_GroupQuery.cs" />

1
Src/Asp.Net/MySqlTest/Program.cs
View File

@ -15,6 +15,7 @@ namespace OrmTest
_2_DbFirst.Init();
_3_EasyQuery.Init();
_4_JoinQuery.Init();
_4_Subquery.Init();
_5_PageQuery.Init();
_6_NavQuery.Init();
_7_GroupQuery.Init();

68
Src/Asp.Net/PgSqlTest/4_Subquery.cs Normal file
View File

@ -0,0 +1,68 @@
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OrmTest
{
public class _4_Subquery
{
public static void Init()
{
var db = DbHelper.GetNewDb();
db.CodeFirst.InitTables<Student, School>();
db.DbMaintenance.TruncateTable<Student, School>();
db.Insertable(new Student() { Id = 1, SchoolId = 1 }).ExecuteCommand();
db.Insertable(new School() { Id = 1, Name = "Harvard School" }).ExecuteCommand();
db.Insertable(new Student() { Id = 2, SchoolId = 2 }).ExecuteCommand();
db.Insertable(new School() { Id = 2, Name = "haha School" }).ExecuteCommand();
//subquery select
var result = db.Queryable<Student>()
.Select(st => new
{
SchoolName = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => s.Name),
MaxSchoolId = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => SqlFunc.AggregateMax(s.Id)),
MaxSchoolId2 = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Max(s => s.Id),
})
.ToList();
//Exists:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE (EXISTS ( SELECT * FROM [School0402] [s] WHERE ( [Id] = [it].[SchoolId] ) ))
var result2 = db.Queryable<Student>()
.Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.SchoolId).Any())
.ToList();
//In:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE [Id] in (SELECT [Id] FROM [School0402] [s] GROUP BY [Id])
var result3 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().GroupBy(s => s.Id).Select(s => s.Id))
.ToList();
//Equal:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE ( [Id] =(SELECT TOP 1 [s].[Id] FROM [School0402] [s] ))
var result4 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().Select(s => s.Id))
.ToList();
}
[SugarTable("Student0402")]
public class Student
{
public int Id { get; set; }
public int SchoolId { get; set; }
}
[SugarTable("School0402")]
public class School
{
public int Id { get; set; }
public string Name { get; set; }
}
}
}

1
Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
View File

@ -69,6 +69,7 @@
<Compile Include="2_DbFirst.cs" />
<Compile Include="3_EasyQuery.cs" />
<Compile Include="4_JoinQuery.cs" />
<Compile Include="4_Subquery.cs" />
<Compile Include="5_PageQuery.cs" />
<Compile Include="6_NavigationPropertyQuery.cs" />
<Compile Include="7_GroupQuery.cs" />

1
Src/Asp.Net/PgSqlTest/Program.cs
View File

@ -15,6 +15,7 @@ namespace OrmTest
_2_DbFirst.Init();
_3_EasyQuery.Init();
_4_JoinQuery.Init();
_4_Subquery.Init();
_5_PageQuery.Init();
_6_NavQuery.Init();
_7_GroupQuery.Init();

68
Src/Asp.Net/SqlServerTest/4_Subquery.cs Normal file
View File

@ -0,0 +1,68 @@
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OrmTest
{
public class _4_Subquery
{
public static void Init()
{
var db = DbHelper.GetNewDb();
db.CodeFirst.InitTables<Student, School>();
db.DbMaintenance.TruncateTable<Student, School>();
db.Insertable(new Student() { Id = 1, SchoolId = 1 }).ExecuteCommand();
db.Insertable(new School() { Id = 1, Name = "Harvard School" }).ExecuteCommand();
db.Insertable(new Student() { Id = 2, SchoolId = 2 }).ExecuteCommand();
db.Insertable(new School() { Id = 2, Name = "haha School" }).ExecuteCommand();
//subquery select
var result = db.Queryable<Student>()
.Select(st => new
{
SchoolName = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => s.Name),
MaxSchoolId = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => SqlFunc.AggregateMax(s.Id)),
MaxSchoolId2 = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Max(s => s.Id),
})
.ToList();
//Exists:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE (EXISTS ( SELECT * FROM [School0402] [s] WHERE ( [Id] = [it].[SchoolId] ) ))
var result2 = db.Queryable<Student>()
.Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.SchoolId).Any())
.ToList();
//In:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE [Id] in (SELECT [Id] FROM [School0402] [s] GROUP BY [Id])
var result3 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().GroupBy(s => s.Id).Select(s => s.Id))
.ToList();
//Equal:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE ( [Id] =(SELECT TOP 1 [s].[Id] FROM [School0402] [s] ))
var result4 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().Select(s => s.Id))
.ToList();
}
[SugarTable("Student0402")]
public class Student
{
public int Id { get; set; }
public int SchoolId { get; set; }
}
[SugarTable("School0402")]
public class School
{
public int Id { get; set; }
public string Name { get; set; }
}
}
}

1
Src/Asp.Net/SqlServerTest/Program.cs
View File

@ -14,6 +14,7 @@ namespace OrmTest
_2_DbFirst.Init();
_3_EasyQuery.Init();
_4_JoinQuery.Init();
_4_Subquery.Init();
_5_PageQuery.Init();
_6_NavQuery.Init();
_7_GroupQuery.Init();

1
Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
View File

@ -64,6 +64,7 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="4_Subquery.cs" />
<Compile Include="a1_Delete.cs" />
<Compile Include="1_CodeFirst.cs" />
<Compile Include="2_DbFirst.cs" />

68
Src/Asp.Net/SqliteTest/4_Subquery.cs Normal file
View File

@ -0,0 +1,68 @@
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OrmTest
{
public class _4_Subquery
{
public static void Init()
{
var db = DbHelper.GetNewDb();
db.CodeFirst.InitTables<Student, School>();
db.DbMaintenance.TruncateTable<Student, School>();
db.Insertable(new Student() { Id = 1, SchoolId = 1 }).ExecuteCommand();
db.Insertable(new School() { Id = 1, Name = "Harvard School" }).ExecuteCommand();
db.Insertable(new Student() { Id = 2, SchoolId = 2 }).ExecuteCommand();
db.Insertable(new School() { Id = 2, Name = "haha School" }).ExecuteCommand();
//subquery select
var result = db.Queryable<Student>()
.Select(st => new
{
SchoolName = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => s.Name),
MaxSchoolId = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Select(s => SqlFunc.AggregateMax(s.Id)),
MaxSchoolId2 = SqlFunc.Subqueryable<School>().Where(s => s.Id == st.SchoolId).Max(s => s.Id),
})
.ToList();
//Exists:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE (EXISTS ( SELECT * FROM [School0402] [s] WHERE ( [Id] = [it].[SchoolId] ) ))
var result2 = db.Queryable<Student>()
.Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.SchoolId).Any())
.ToList();
//In:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE [Id] in (SELECT [Id] FROM [School0402] [s] GROUP BY [Id])
var result3 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().GroupBy(s => s.Id).Select(s => s.Id))
.ToList();
//Equal:
//SELECT [Id],[SchoolId] FROM [Student0402] [it] WHERE ( [Id] =(SELECT TOP 1 [s].[Id] FROM [School0402] [s] ))
var result4 = db.Queryable<Student>()
.Where(it => it.Id == SqlFunc.Subqueryable<School>().Select(s => s.Id))
.ToList();
}
[SugarTable("Student0402")]
public class Student
{
public int Id { get; set; }
public int SchoolId { get; set; }
}
[SugarTable("School0402")]
public class School
{
public int Id { get; set; }
public string Name { get; set; }
}
}
}

1
Src/Asp.Net/SqliteTest/Program.cs
View File

@ -15,6 +15,7 @@ namespace OrmTest
_2_DbFirst.Init();
_3_EasyQuery.Init();
_4_JoinQuery.Init();
_4_Subquery.Init();
_5_PageQuery.Init();
_6_NavQuery.Init();
_7_GroupQuery.Init();

1
Src/Asp.Net/SqliteTest/SqliteTest.csproj
View File

@ -49,6 +49,7 @@
<Compile Include="2_DbFirst.cs" />
<Compile Include="3_EasyQuery.cs" />
<Compile Include="4_JoinQuery.cs" />
<Compile Include="4_Subquery.cs" />
<Compile Include="5_PageQuery.cs" />
<Compile Include="6_NavigationPropertyQuery.cs" />
<Compile Include="7_GroupQuery.cs" />