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sharding
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This commit is contained in:
xuejmnet 2021-02-03 09:53:07 +08:00
parent 690295daf8
commit b723b28d02
7 changed files with 146 additions and 7 deletions
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29
README.md
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@ -132,9 +132,6 @@ Release | EF Core | .NET Standard | .NET (Core) | Sql Server | Pomelo.EntityFra
}
}
```
- `GetAllTails`
现在数据库已存在的尾巴有哪些
`Startup.cs` 下的 `ConfigureServices(IServiceCollection services)`
```c#
@ -295,6 +292,32 @@ context.Where(shardingBatchUpdateEntry.Where).Update(shardingBatchUpdateEntry.Up
# 注意事项
该库的IVirtualDbContext.Set<T>使用asnotracking所以基本不支持跟踪,目前框架采用AppDomain.CurrentDomain.GetAssemblies();
可能会导致程序集未被加载所以尽可能在api层加载所需要的dll
使用时需要注意
- 实体对象是否继承`IShardingEntity`
- 实体对象是否有`ShardingKey`
- 实体对象是否已经实现了一个虚拟路由
- startup是否已经添加虚拟路由
```c#
services.AddShardingSqlServer(o =>
{
o.ConnectionString = "";
o.AddSharding<SysUserModVirtualRoute>();
o.UseShardingCoreConfig((provider, config) =>
{
//如果是development就判断并且新建数据库如果不存在的话(ishardingentity不会被创建)
config.EnsureCreated = provider.GetService<IHostEnvironment>().IsDevelopment();
//ishardingentity表是否需要在启动时创建(如果已创建可以选择不创建)
config.CreateShardingTableOnStart = true;
});
});
```
- startup
```c#
var shardingBootstrapper = app.ApplicationServices.GetRequiredService<IShardingBootstrapper>();
shardingBootstrapper.Start();
```
# 计划
- [提供官网如果该项目比较成功的话]

18
test/ShardingCore.Test50.MySql/Domain/Entities/SysUserSalary.cs
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@ -22,5 +22,23 @@ namespace ShardingCore.Test50.MySql.Domain.Entities
/// 工资
/// </summary>
public int Salary { get; set; }
/// <summary>
/// 工资
/// </summary>
public long SalaryLong { get; set; }
/// <summary>
/// 工资
/// </summary>
public decimal SalaryDecimal { get; set; }
/// <summary>
/// 工资
/// </summary>
public double SalaryDouble { get; set; }
/// <summary>
/// 工资
/// </summary>
public float SalaryFloat { get; set; }
}
}

27
test/ShardingCore.Test50.MySql/ShardingTest.cs
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@ -1,5 +1,6 @@
using System.Linq;
using System.Threading.Tasks;
using ShardingCore.Core.Internal.RoutingRuleEngines;
using ShardingCore.DbContexts.VirtualDbContexts;
using ShardingCore.Extensions;
using ShardingCore.Test50.MySql.Domain.Entities;
@ -16,10 +17,30 @@ namespace ShardingCore.Test50.MySql
public class ShardingTest
{
private readonly IVirtualDbContext _virtualDbContext;
private readonly IRoutingRuleEngineFactory _routingRuleEngineFactory;
public ShardingTest(IVirtualDbContext virtualDbContext)
public ShardingTest(IVirtualDbContext virtualDbContext,IRoutingRuleEngineFactory routingRuleEngineFactory)
{
_virtualDbContext = virtualDbContext;
_routingRuleEngineFactory = routingRuleEngineFactory;
}
[Fact]
public async Task Route_TEST()
{
var queryable1 = _virtualDbContext.Set<SysUserMod>().Where(o=>o.Id=="339");
var routeResults1 = _routingRuleEngineFactory.Route(queryable1);
Assert.Equal(1,routeResults1.Count());
Assert.Equal(1,routeResults1.FirstOrDefault().ReplaceTables.Count());
Assert.Equal("0",routeResults1.FirstOrDefault().ReplaceTables.FirstOrDefault().Tail);
Assert.Equal(nameof(SysUserMod),routeResults1.FirstOrDefault().ReplaceTables.FirstOrDefault().OriginalName);
var ids = new[] {"339", "124","142"};
var queryable2= _virtualDbContext.Set<SysUserMod>().Where(o=>ids.Contains(o.Id));
var routeResult2s = _routingRuleEngineFactory.Route(queryable2);
Assert.Equal(2,routeResult2s.Count());
Assert.Equal(1,routeResult2s.FirstOrDefault().ReplaceTables.Count());
Assert.Equal(2,routeResult2s.SelectMany(o=>o.ReplaceTables).Count());
Assert.Equal(true,routeResult2s.SelectMany(o=>o.ReplaceTables).All(o=>new[]{"0","1"}.Contains(o.Tail)));
}
[Fact]
@ -290,6 +311,7 @@ namespace ShardingCore.Test50.MySql
Count = g.Count(),
TotalSalary = g.Sum(o => o.Salary),
AvgSalary = g.Average(o => o.Salary),
AvgSalaryDecimal = g.Average(o => o.SalaryDecimal),
MinSalary = g.Min(o => o.Salary),
MaxSalary = g.Max(o => o.Salary)
}).ToShardingListAsync();
@ -297,6 +319,7 @@ namespace ShardingCore.Test50.MySql
Assert.Equal(2, group[0].Count);
Assert.Equal(2260000, group[0].TotalSalary);
Assert.Equal(1130000, group[0].AvgSalary);
Assert.Equal(11300, group[0].AvgSalaryDecimal);
Assert.Equal(1120000, group[0].MinSalary);
Assert.Equal(1140000, group[0].MaxSalary);
}
@ -314,6 +337,7 @@ namespace ShardingCore.Test50.MySql
Count = g.Count(),
TotalSalary = g.Sum(o => o.Salary),
AvgSalary = g.Average(o => o.Salary),
AvgSalaryDecimal = g.Average(o => o.SalaryDecimal),
MinSalary = g.Min(o => o.Salary),
MaxSalary = g.Max(o => o.Salary)
});
@ -321,6 +345,7 @@ namespace ShardingCore.Test50.MySql
Assert.Equal(2, group[0].Count);
Assert.Equal(2260000, group[0].TotalSalary);
Assert.Equal(1130000, group[0].AvgSalary);
Assert.Equal(11300, group[0].AvgSalaryDecimal);
Assert.Equal(1120000, group[0].MinSalary);
Assert.Equal(1140000, group[0].MaxSalary);
}

6
test/ShardingCore.Test50.MySql/Startup.cs
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@ -99,7 +99,11 @@ namespace ShardingCore.Test50.MySql
Id = $@"{id}{dateOfMonth}",
UserId = id.ToString(),
DateOfMonth = int.Parse(dateOfMonth),
Salary = 700000+id*100*i
Salary = 700000+id*100*i,
SalaryLong = 700000+id*100*i,
SalaryDecimal = (700000+id*100*i)/100m,
SalaryDouble = (700000+id*100*i)/100d,
SalaryFloat = (700000+id*100*i)/100f
});
tempTime=tempTime.AddMonths(1);
i++;

17
test/ShardingCore.Test50/Domain/Entities/SysUserSalary.cs
View File

@ -22,5 +22,22 @@ namespace ShardingCore.Test50.Domain.Entities
/// 工资
/// </summary>
public int Salary { get; set; }
/// <summary>
/// 工资
/// </summary>
public long SalaryLong { get; set; }
/// <summary>
/// 工资
/// </summary>
public decimal SalaryDecimal { get; set; }
/// <summary>
/// 工资
/// </summary>
public double SalaryDouble { get; set; }
/// <summary>
/// 工资
/// </summary>
public float SalaryFloat { get; set; }
}
}

50
test/ShardingCore.Test50/ShardingTest.cs
View File

@ -1,5 +1,6 @@
using System.Linq;
using System.Threading.Tasks;
using ShardingCore.Core.Internal.RoutingRuleEngines;
using ShardingCore.DbContexts.VirtualDbContexts;
using ShardingCore.Extensions;
using ShardingCore.Test50.Domain.Entities;
@ -16,12 +17,31 @@ namespace ShardingCore.Test50
public class ShardingTest
{
private readonly IVirtualDbContext _virtualDbContext;
private readonly IRoutingRuleEngineFactory _routingRuleEngineFactory;
public ShardingTest(IVirtualDbContext virtualDbContext)
public ShardingTest(IVirtualDbContext virtualDbContext,IRoutingRuleEngineFactory routingRuleEngineFactory)
{
_virtualDbContext = virtualDbContext;
_routingRuleEngineFactory = routingRuleEngineFactory;
}
[Fact]
public async Task Route_TEST()
{
var queryable1 = _virtualDbContext.Set<SysUserMod>().Where(o=>o.Id=="339");
var routeResults1 = _routingRuleEngineFactory.Route(queryable1);
Assert.Equal(1,routeResults1.Count());
Assert.Equal(1,routeResults1.FirstOrDefault().ReplaceTables.Count());
Assert.Equal("0",routeResults1.FirstOrDefault().ReplaceTables.FirstOrDefault().Tail);
Assert.Equal(nameof(SysUserMod),routeResults1.FirstOrDefault().ReplaceTables.FirstOrDefault().OriginalName);
var ids = new[] {"339", "124","142"};
var queryable2= _virtualDbContext.Set<SysUserMod>().Where(o=>ids.Contains(o.Id));
var routeResult2s = _routingRuleEngineFactory.Route(queryable2);
Assert.Equal(2,routeResult2s.Count());
Assert.Equal(1,routeResult2s.FirstOrDefault().ReplaceTables.Count());
Assert.Equal(2,routeResult2s.SelectMany(o=>o.ReplaceTables).Count());
Assert.Equal(true,routeResult2s.SelectMany(o=>o.ReplaceTables).All(o=>new[]{"0","1"}.Contains(o.Tail)));
}
[Fact]
public async Task ToList_All_Test()
{
@ -290,6 +310,7 @@ namespace ShardingCore.Test50
Count = g.Count(),
TotalSalary = g.Sum(o => o.Salary),
AvgSalary = g.Average(o => o.Salary),
AvgSalaryDecimal = g.Average(o => o.SalaryDecimal),
MinSalary = g.Min(o => o.Salary),
MaxSalary = g.Max(o => o.Salary)
}).ToShardingListAsync();
@ -297,6 +318,33 @@ namespace ShardingCore.Test50
Assert.Equal(2, group[0].Count);
Assert.Equal(2260000, group[0].TotalSalary);
Assert.Equal(1130000, group[0].AvgSalary);
Assert.Equal(11300, group[0].AvgSalaryDecimal);
Assert.Equal(1120000, group[0].MinSalary);
Assert.Equal(1140000, group[0].MaxSalary);
}
[Fact]
public async Task Group_API_Test()
{
var ids = new[] {"200", "300"};
var dateOfMonths = new[] {202111, 202110};
var group = await _virtualDbContext.Set<SysUserSalary>()
.Where(o => ids.Contains(o.UserId) && dateOfMonths.Contains(o.DateOfMonth))
.ShardingGroupByAsync(g => new {UId = g.UserId}, g => new
{
GroupUserId = g.Key.UId,
Count = g.Count(),
TotalSalary = g.Sum(o => o.Salary),
AvgSalary = g.Average(o => o.Salary),
AvgSalaryDecimal = g.Average(o => o.SalaryDecimal),
MinSalary = g.Min(o => o.Salary),
MaxSalary = g.Max(o => o.Salary)
});
Assert.Equal(2, group.Count);
Assert.Equal(2, group[0].Count);
Assert.Equal(2260000, group[0].TotalSalary);
Assert.Equal(1130000, group[0].AvgSalary);
Assert.Equal(11300, group[0].AvgSalaryDecimal);
Assert.Equal(1120000, group[0].MinSalary);
Assert.Equal(1140000, group[0].MaxSalary);
}

6
test/ShardingCore.Test50/Startup.cs
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@ -103,7 +103,11 @@ namespace ShardingCore.Test50
Id = $@"{id}{dateOfMonth}",
UserId = id.ToString(),
DateOfMonth = int.Parse(dateOfMonth),
Salary = 700000+id*100*i
Salary = 700000+id*100*i,
SalaryLong = 700000+id*100*i,
SalaryDecimal = (700000+id*100*i)/100m,
SalaryDouble = (700000+id*100*i)/100d,
SalaryFloat = (700000+id*100*i)/100f
});
tempTime=tempTime.AddMonths(1);
i++;