🦄 FreeSql, The First AOT ORM!

FreeSql is a powerful O/RM component, supports .NET Core 2.1+, .NET Framework 4.0+, Xamarin, And AOT. [![Member project of .NET Core Community](https://img.shields.io/badge/member%20project%20of-NCC-9e20c9.svg)](https://github.com/dotnetcore) [![nuget](https://img.shields.io/nuget/v/FreeSql.svg?style=flat-square)](https://www.nuget.org/packages/FreeSql) [![stats](https://img.shields.io/nuget/dt/FreeSql.svg?style=flat-square)](https://www.nuget.org/stats/packages/FreeSql?groupby=Version) [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/dotnetcore/FreeSql/master/LICENSE.txt)

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- 🛠 Support CodeFirst data migration. - 💻 Support DbFirst import entity class from database, or use [Generation Tool](https://github.com/dotnetcore/FreeSql/wiki/DbFirst). - ⛳ Support advanced type mapping, such as PostgreSQL array type, etc. - 🌲 Support expression functions, and customizable analysis. - 🏁 Support one-to-many and many-to-many navigation properties, include and lazy loading. - 📃 Support Read/Write separation, Splitting Table/Database, Global filters, Optimistic and pessimistic locker. - 🌳 Support MySql/SqlServer/PostgreSQL/Oracle/Sqlite/Firebird/达梦/人大金仓/南大通用/虚谷/神舟通用/翰高/ClickHouse/DuckDB/TDengine/QuestDB/MsAccess, etc. QQ Groups：**561616019(available)**、4336577(full)、8578575(full)、52508226(full) ## 📚 Documentation | | | - | | [Get started](https://github.com/dotnetcore/FreeSql/wiki/Getting-Started)  \|  [Select](https://github.com/dotnetcore/FreeSql/wiki/Query-Data)  \|  [Update](https://github.com/dotnetcore/FreeSql/wiki/Update-Data)  \|  [Insert](https://github.com/dotnetcore/FreeSql/wiki/Insert-Data)  \|  [Delete](https://github.com/dotnetcore/FreeSql/wiki/Delete-Data)  \|  [FAQ](https://github.com/dotnetcore/FreeSql/wiki/%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98)  | | [Expression](https://github.com/dotnetcore/FreeSql/wiki/%e8%a1%a8%e8%be%be%e5%bc%8f%e5%87%bd%e6%95%b0)  \|  [CodeFirst](https://github.com/dotnetcore/FreeSql/wiki/CodeFirst)  \|  [DbFirst](https://github.com/2881099/FreeSql/wiki/DbFirst)  \|  [Filters](https://github.com/dotnetcore/FreeSql/wiki/%e8%bf%87%e6%bb%a4%e5%99%a8)  \|  [AOP](https://github.com/2881099/FreeSql/wiki/AOP)  | | [Repository](https://github.com/dotnetcore/FreeSql/wiki/Repository-layer)  \|  [UnitOfWork](https://github.com/dotnetcore/FreeSql/wiki/Unit-of-Work)  \|  [Dynamic Operations](https://github.com/dotnetcore/FreeSql/wiki/%E5%8A%A8%E6%80%81%E6%93%8D%E4%BD%9C)  \|  [ADO](https://github.com/2881099/FreeSql/wiki/ADO)  | | [Read/Write](https://github.com/dotnetcore/FreeSql/wiki/%e8%af%bb%e5%86%99%e5%88%86%e7%a6%bb)  \|  [Splitting Table](https://github.com/dotnetcore/FreeSql/wiki/%e5%88%86%e8%a1%a8%e5%88%86%e5%ba%93)  \|  [Hide tech](https://github.com/dotnetcore/FreeSql/wiki/%E9%AA%9A%E6%93%8D%E4%BD%9C)  \|  [*Update Notes*](https://github.com/dotnetcore/FreeSql/wiki/%e6%9b%b4%e6%96%b0%e6%97%a5%e5%bf%97)  | > Please select a development mode: - Use FreeSql, keep the original usage. - Use [FreeSql.DbContext](https://github.com/dotnetcore/FreeSql/wiki/Repository), Repository + UnitOfWork. - Use [FreeSql.BaseEntity](https://github.com/dotnetcore/FreeSql/tree/master/Examples/base_entity), Simple mode. > Some open source projects that use FreeSql: - [Zhontai.net Management System](https://github.com/zhontai/Admin.Core) - [A simple CMS implemented by .NET8](https://github.com/luoyunchong/lin-cms-dotnetcore) - [AIBPM workflow](https://github.com/leooneone/aibpm.plus) - [NetAdmin A rapid development framework based on C#12/.NET9 and FreeSql](https://github.com/nsnail/NetAdmin)

## 🚀 Quick start > dotnet add package FreeSql.Provider.Sqlite ```csharp static IFreeSql fsql = new FreeSql.FreeSqlBuilder() .UseConnectionString(FreeSql.DataType.Sqlite, @"Data Source=document.db") .UseAutoSyncStructure(true) //automatically synchronize the entity structure to the database .Build(); //be sure to define as singleton mode class Song { [Column(IsIdentity = true)] public int Id { get; set; } public string Title { get; set; } public string Url { get; set; } public DateTime CreateTime { get; set; } public ICollection Tags { get; set; } } class Song_tag { public int Song_id { get; set; } public Song Song { get; set; } public int Tag_id { get; set; } public Tag Tag { get; set; } } class Tag { [Column(IsIdentity = true)] public int Id { get; set; } public string Name { get; set; } public int? Parent_id { get; set; } public Tag Parent { get; set; } public ICollection Songs { get; set; } public ICollection Tags { get; set; } } ``` ### 🔎 Query ```csharp //OneToOne、ManyToOne fsql.Select().Where(a => a.Parent.Parent.Name == "English").ToList(); //OneToMany fsql.Select().IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo")).ToList(); //ManyToMany fsql.Select() .IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo")) .Where(s => s.Tags.Any(t => t.Name == "Chinese")) .ToList(); //Other fsql.Select() .Where(a => a.IsDelete == 0) .WhereIf(keyword != null, a => a.UserName.Contains(keyword)) .WhereIf(role_id > 0, a => a.RoleId == role_id) .Where(a => a.Nodes.Any(t => t.Parent.Id == t.UserId)) .Count(out var total) .Page(page, size) .OrderByDescending(a => a.Id) .ToList() ``` [More..](https://github.com/dotnetcore/FreeSql/wiki/%e6%9f%a5%e8%af%a2) ```csharp fsql.Select().Where(a => new[] { 1, 2, 3 }.Contains(a.Id)).ToList(); fsql.Select().Where(a => a.CreateTime.Date == DateTime.Today).ToList(); fsql.Select().OrderBy(a => Guid.NewGuid()).Limit(10).ToList(); fsql.Select().ToList(a => new { a.Id, Tags = fsql.Select().ToList(), SongTags = fsql.Select().Where(b => b.TopicId == a.Id).ToList() }); ``` [More..](https://github.com/dotnetcore/FreeSql/wiki/%e8%a1%a8%e8%be%be%e5%bc%8f%e5%87%bd%e6%95%b0) ### 🚁 Repository > dotnet add package FreeSql.Repository ```csharp [Transactional] public void Add() { var repo = ioc.GetService>(); repo.DbContextOptions.EnableCascadeSave = true; var item = new Tag { Name = "testaddsublist", Tags = new[] { new Tag { Name = "sub1" }, new Tag { Name = "sub2" } } }; repo.Insert(item); } ``` Reference: [Use `TransactionalAttribute` and `UnitOfWorkManager` in ASP.NET Core to Achieve the *Multiple Transaction Propagation*](https://github.com/dotnetcore/FreeSql/issues/289). ## 💪 Performance FreeSql Query & Dapper Query ```shell Elapsed: 00:00:00.6733199; Query Entity Counts: 131072; ORM: Dapper Elapsed: 00:00:00.4554230; Query Tuple Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6846146; Query Dynamic Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6818111; Query Entity Counts: 131072; ORM: FreeSql* Elapsed: 00:00:00.6060042; Query Tuple Counts: 131072; ORM: FreeSql* Elapsed: 00:00:00.4211323; Query ToList Counts: 131072; ORM: FreeSql* Elapsed: 00:00:01.0236285; Query Dynamic Counts: 131072; ORM: FreeSql* ``` FreeSql ToList & Dapper Query ```shell Elapsed: 00:00:00.6707125; ToList Entity Counts: 131072; ORM: FreeSql* Elapsed: 00:00:00.6495301; Query Entity Counts: 131072; ORM: Dapper ``` [More..](https://github.com/dotnetcore/FreeSql/wiki/%e6%80%a7%e8%83%bd) ## 👯 Contributors And other friends who made important suggestions for this project, they include: [systemhejiyong](https://github.com/systemhejiyong), [LambertW](https://github.com/LambertW), [mypeng1985](https://github.com/mypeng1985), [stulzq](https://github.com/stulzq), [movingsam](https://github.com/movingsam), [ALer-R](https://github.com/ALer-R), [zouql](https://github.com/zouql), 深圳|凉茶, [densen2014](https://github.com/densen2014), [LiaoLiaoWuJu](https://github.com/LiaoLiaoWuJu), [hd2y](https://github.com/hd2y), [tky753](https://github.com/tky753), [feijie999](https://github.com/feijie999), constantine, [JohnZhou2020](https://github.com/JohnZhou2020), [mafeng8](https://github.com/mafeng8), [VicBilibily](https://github.com/VicBilibily), [Soar](https://github.com/sgf), [quzhen91](https://github.com/quzhen91), homejun, [d4ilys](https://github.com/d4ilys) etc. ## 💕 Donation L*y 58元、花花 88元、麦兜很乖 50元、网络来者 2000元、John 99.99元、alex 666元、bacongao 36元、无名 100元、Eternity 188元、无名 10元、⌒.Helper~..oO 66元、习惯与被习惯 100元、无名 100元、蔡易喋 88.88元、中讯科技 1000元、Good Good Work 24元、Nothing 100元、兰州天擎赵 500元、哈利路亚 300元、 无名 100元、蛰伏 99.99元、TCYM 66.66元、MOTA 5元、LDZXG 30元、Near 30元、建爽 66元、无名 200元、LambertWu 100元、无名 18.88元、乌龙 50元、无名 100元、陳怼怼 66.66元、陳怼怼 66.66元、丁淮 100元、李伟坚-Excel催化剂 100元、白狐 6.66元、她微笑的脸y 30元、Eternity²º²¹ 588元、夜归柴门 88元、蔡易喋 666.66元、 *礼 10元、litrpa 88元、Alax CHOW 200元、Daily 66元、k\*t 66元、蓝 100元、*菜 10元、生命如歌 1000元、山鸡 88元、平凡 100元、大树 1000元、软软的毛毛虫 66.66元、问卷星 2000元、与你无关 5000元 > Thank you for your donation - [Alipay](https://www.cnblogs.com/FreeSql/gallery/image/338860.html) - [WeChat](https://www.cnblogs.com/FreeSql/gallery/image/338859.html) ## 🗄 License [MIT](LICENSE)