FreeSql.Provider.PostgreSQL 3.5.215-preview20250917
🦄 FreeSql, The First AOT ORM!
FreeSql is a powerful O/RM component, supports .NET Core 2.1+, .NET Framework 4.0+, Xamarin, And AOT.
English | 中文
- 🛠 Support CodeFirst data migration.
- 💻 Support DbFirst import entity class from database, or use Generation Tool.
- ⛳ 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 | Select | Update | Insert | Delete | FAQ |
| Expression | CodeFirst | DbFirst | Filters | AOP |
| Repository | UnitOfWork | Dynamic Operations | ADO |
| Read/Write | Splitting Table | Hide tech | Update Notes |
Please select a development mode:
- Use FreeSql, keep the original usage.
- Use FreeSql.DbContext, Repository + UnitOfWork.
- Use FreeSql.BaseEntity, Simple mode.
Some open source projects that use FreeSql:
- Zhontai.net Management System
- A simple CMS implemented by .NET8
- AIBPM workflow
- NetAdmin A rapid development framework based on C#12/.NET9 and FreeSql
🚀 Quick start
dotnet add package FreeSql.Provider.Sqlite
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<Tag> 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<Song> Songs { get; set; }
public ICollection<Tag> Tags { get; set; }
}
🔎 Query
//OneToOne、ManyToOne
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "English").ToList();
//OneToMany
fsql.Select<Tag>().IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo")).ToList();
//ManyToMany
fsql.Select<Song>()
.IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo"))
.Where(s => s.Tags.Any(t => t.Name == "Chinese"))
.ToList();
//Other
fsql.Select<YourType>()
.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()
fsql.Select<Song>().Where(a => new[] { 1, 2, 3 }.Contains(a.Id)).ToList();
fsql.Select<Song>().Where(a => a.CreateTime.Date == DateTime.Today).ToList();
fsql.Select<Song>().OrderBy(a => Guid.NewGuid()).Limit(10).ToList();
fsql.Select<Song>().ToList(a => new
{
a.Id,
Tags = fsql.Select<Tag>().ToList(),
SongTags = fsql.Select<SongTag>().Where(b => b.TopicId == a.Id).ToList()
});
🚁 Repository
dotnet add package FreeSql.Repository
[Transactional]
public void Add() {
var repo = ioc.GetService<BaseRepository<Tag>>();
repo.DbContextOptions.EnableCascadeSave = true;
var item = new Tag {
Name = "testaddsublist",
Tags = new[] {
new Tag { Name = "sub1" },
new Tag { Name = "sub2" }
}
};
repo.Insert(item);
}
💪 Performance
FreeSql Query & Dapper Query
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<Tuple> Counts: 131072; ORM: FreeSql*
Elapsed: 00:00:01.0236285; Query Dynamic Counts: 131072; ORM: FreeSql*
FreeSql ToList & Dapper Query
Elapsed: 00:00:00.6707125; ToList Entity Counts: 131072; ORM: FreeSql*
Elapsed: 00:00:00.6495301; Query Entity Counts: 131072; ORM: Dapper
👯 Contributors
And other friends who made important suggestions for this project, they include:
systemhejiyong, LambertW, mypeng1985, stulzq, movingsam, ALer-R, zouql, 深圳|凉茶, densen2014, LiaoLiaoWuJu, hd2y, tky753, feijie999, constantine, JohnZhou2020, mafeng8, VicBilibily, Soar, quzhen91, homejun, 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
🗄 License
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.NET Framework 4.5
- FreeSql (>= 3.5.215-preview20250917)
- Newtonsoft.Json (>= 13.0.1)
- Npgsql.LegacyPostgis (>= 4.0.11)
.NET Standard 2.0
- Npgsql.NetTopologySuite (>= 5.0.18)
- Npgsql.LegacyPostgis (>= 5.0.18)
- Newtonsoft.Json (>= 13.0.1)
- FreeSql (>= 3.5.215-preview20250917)
.NET 9.0
- Npgsql.NetTopologySuite (>= 5.0.18)
- Npgsql.LegacyPostgis (>= 5.0.18)
- Newtonsoft.Json (>= 13.0.1)
- FreeSql (>= 3.5.215-preview20250917)
.NET 8.0
- Npgsql.NetTopologySuite (>= 5.0.18)
- Npgsql.LegacyPostgis (>= 5.0.18)
- Newtonsoft.Json (>= 13.0.1)
- FreeSql (>= 3.5.215-preview20250917)
.NET 7.0
- Npgsql.NetTopologySuite (>= 5.0.18)
- Npgsql.LegacyPostgis (>= 5.0.18)
- Newtonsoft.Json (>= 13.0.1)
- FreeSql (>= 3.5.215-preview20250917)
.NET 6.0
- Npgsql.LegacyPostgis (>= 5.0.18)
- Npgsql.NetTopologySuite (>= 5.0.18)
- FreeSql (>= 3.5.215-preview20250917)
- Newtonsoft.Json (>= 13.0.1)
.NET Framework 4.5.1
- FreeSql (>= 3.5.215-preview20250917)
- Npgsql.LegacyPostgis (>= 4.0.11)
- Newtonsoft.Json (>= 13.0.1)
.NET Framework 4.5.2
- FreeSql (>= 3.5.215-preview20250917)
- Newtonsoft.Json (>= 13.0.1)
- Npgsql.LegacyPostgis (>= 4.0.11)
.NET Framework 4.6.1
- FreeSql (>= 3.5.215-preview20250917)
- Newtonsoft.Json (>= 13.0.1)
- Npgsql.LegacyPostgis (>= 4.1.7)
- Npgsql.NetTopologySuite (>= 4.1.7)
| Version | Downloads | Last updated |
|---|---|---|
| 3.5.215-preview20250917 | 3 | 09/18/2025 |
| 3.5.213 | 7 | 08/27/2025 |
| 3.5.213-preview20250825 | 6 | 08/25/2025 |
| 3.5.213-preview20250815 | 5 | 08/15/2025 |
| 3.5.212 | 5 | 08/01/2025 |
| 3.5.211 | 8 | 07/26/2025 |
| 3.5.211-preview20250716 | 7 | 07/18/2025 |
| 3.5.210 | 7 | 07/11/2025 |
| 3.5.210-preview20250626 | 7 | 07/03/2025 |
| 3.5.209 | 8 | 06/26/2025 |
| 3.5.208 | 9 | 06/19/2025 |
| 3.5.207 | 10 | 06/02/2025 |
| 3.5.206 | 13 | 05/16/2025 |
| 3.5.205 | 13 | 05/08/2025 |
| 3.5.204 | 12 | 05/02/2025 |
| 3.5.204-preview20250428 | 13 | 05/03/2025 |
| 3.5.204-preview20250425 | 12 | 04/30/2025 |
| 3.5.203 | 10 | 04/25/2025 |
| 3.5.202 | 12 | 04/11/2025 |
| 3.5.201 | 19 | 04/05/2025 |
| 3.5.200 | 18 | 03/28/2025 |
| 3.5.109 | 16 | 03/23/2025 |
| 3.5.108 | 18 | 03/13/2025 |
| 3.5.107 | 18 | 03/13/2025 |
| 3.5.106 | 17 | 02/23/2025 |
| 3.5.105 | 19 | 02/11/2025 |
| 3.5.105-preview20250116 | 19 | 01/30/2025 |
| 3.5.104 | 17 | 01/26/2025 |
| 3.5.103 | 19 | 01/09/2025 |
| 3.5.103-preview20241226 | 18 | 01/07/2025 |
| 3.5.103-preview20241224 | 20 | 12/24/2024 |
| 3.5.103-preview20241205 | 21 | 12/17/2024 |
| 3.5.102 | 24 | 12/24/2024 |
| 3.5.101 | 23 | 12/09/2024 |
| 3.5.100-preview20241127 | 20 | 03/10/2025 |
| 3.5.100-preview20241123 | 3 | 08/11/2025 |
| 3.5.100-preview20241113 | 18 | 11/14/2024 |
| 3.5.100-preview20241112 | 21 | 11/14/2024 |
| 3.5.100-preview20241108 | 21 | 11/14/2024 |
| 3.5.100-preview20241101 | 20 | 11/14/2024 |
| 3.5.100-preview20240825 | 23 | 11/14/2024 |
| 3.5.100-preview20240815 | 19 | 11/14/2024 |
| 3.5.100-preview20240810 | 22 | 11/14/2024 |
| 3.5.100-preview20240808 | 19 | 11/14/2024 |
| 3.5.100-preview20240725 | 18 | 02/05/2025 |
| 3.2.833 | 22 | 11/14/2024 |
| 3.2.832 | 22 | 11/14/2024 |
| 3.2.830 | 20 | 11/14/2024 |
| 3.2.825 | 26 | 05/26/2024 |
| 3.2.822 | 19 | 11/14/2024 |
| 3.2.821 | 25 | 05/06/2024 |
| 3.2.820 | 18 | 11/14/2024 |
| 3.2.816-preview20240322 | 21 | 05/26/2024 |
| 3.2.816-preview20240314 | 21 | 05/26/2024 |
| 3.2.815 | 19 | 11/14/2024 |
| 3.2.812 | 17 | 12/24/2024 |
| 3.2.811 | 27 | 02/04/2024 |
| 3.2.811-preview20240126 | 19 | 05/26/2024 |
| 3.2.811-preview20240120 | 20 | 05/26/2024 |
| 3.2.810 | 20 | 11/14/2024 |
| 3.2.808 | 21 | 11/14/2024 |
| 3.2.805 | 19 | 11/14/2024 |
| 3.2.802 | 23 | 12/12/2024 |
| 3.2.801 | 23 | 11/14/2024 |
| 3.2.700 | 19 | 11/14/2024 |
| 3.2.698 | 23 | 11/14/2024 |
| 3.2.697 | 18 | 11/14/2024 |
| 3.2.696 | 22 | 11/14/2024 |
| 3.2.695 | 22 | 11/14/2024 |
| 3.2.693 | 24 | 05/29/2024 |
| 3.2.690 | 23 | 11/14/2024 |
| 3.2.687 | 21 | 11/14/2024 |
| 3.2.685 | 23 | 11/14/2024 |
| 3.2.684 | 20 | 12/13/2024 |
| 3.2.683 | 20 | 11/14/2024 |
| 3.2.682 | 22 | 11/14/2024 |
| 3.2.681 | 26 | 11/14/2024 |
| 3.2.680 | 18 | 12/13/2024 |
| 3.2.669 | 22 | 11/14/2024 |
| 3.2.666 | 20 | 11/14/2024 |
| 3.2.665 | 21 | 11/14/2024 |
| 3.2.664 | 26 | 11/14/2024 |
| 3.2.662 | 23 | 11/14/2024 |
| 3.2.661 | 19 | 11/14/2024 |
| 3.2.651 | 26 | 06/01/2024 |
| 3.2.640 | 24 | 11/14/2024 |
| 3.2.610 | 22 | 11/14/2024 |
| 3.2.609 | 22 | 11/14/2024 |
| 3.2.604 | 22 | 11/14/2024 |
| 3.2.603 | 22 | 11/14/2024 |
| 3.2.500 | 19 | 12/02/2024 |
| 3.0.100 | 22 | 11/14/2024 |
| 2.6.100 | 21 | 11/14/2024 |
| 2.5.200 | 27 | 11/14/2024 |
| 2.5.100 | 19 | 11/14/2024 |
| 2.3.200 | 18 | 11/14/2024 |
| 2.3.106 | 21 | 11/14/2024 |
| 2.3.100 | 19 | 11/14/2024 |
| 2.0.105 | 21 | 11/14/2024 |
| 2.0.102 | 22 | 11/14/2024 |
| 2.0.101 | 18 | 11/14/2024 |
| 2.0.0-preview1120 | 25 | 05/26/2024 |
| 2.0.0-preview1119 | 21 | 11/14/2024 |
| 2.0.0-preview1115 | 23 | 11/14/2024 |
| 2.0.0-preview1109 | 26 | 05/26/2024 |
| 2.0.0-preview1106 | 26 | 05/26/2024 |
| 2.0.0-preview1105 | 23 | 05/26/2024 |
| 2.0.0-preview1026 | 23 | 05/26/2024 |
| 1.10.3 | 23 | 05/26/2024 |
| 1.10.1 | 22 | 05/26/2024 |
| 1.10.0-preview1020 | 30 | 05/26/2024 |
| 1.10.0-preview1001 | 25 | 05/26/2024 |
| 1.9.1 | 23 | 11/14/2024 |
| 1.9.0 | 20 | 05/26/2024 |
| 1.9.0-preview0920 | 22 | 05/26/2024 |
| 1.9.0-preview0906 | 23 | 05/26/2024 |
| 1.8.2 | 27 | 11/14/2024 |
| 1.8.1 | 26 | 05/26/2024 |
| 1.7.1 | 23 | 05/26/2024 |
| 1.7.0 | 27 | 05/26/2024 |
| 1.6.0 | 23 | 05/26/2024 |
| 1.5.0 | 20 | 05/26/2024 |
| 1.5.0-preview0525 | 29 | 05/26/2024 |
| 1.5.0-preview0521 | 27 | 05/26/2024 |
| 1.5.0-preview0509 | 27 | 05/26/2024 |
| 1.5.0-preview0502 | 24 | 05/26/2024 |
| 1.4.0 | 28 | 05/26/2024 |
| 1.4.0-preview0424 | 29 | 05/26/2024 |
| 1.4.0-preview0423 | 27 | 05/26/2024 |
| 1.4.0-preview0422 | 25 | 05/26/2024 |
| 1.4.0-preview0415 | 21 | 05/26/2024 |
| 1.4.0-preview0413 | 22 | 05/26/2024 |
| 1.3.6 | 27 | 05/20/2024 |
| 1.3.5 | 22 | 05/26/2024 |
| 1.3.4 | 21 | 11/14/2024 |
| 1.3.0-preview8 | 21 | 05/26/2024 |
| 1.2.1 | 22 | 05/26/2024 |
| 1.2.0-preview5 | 20 | 11/14/2024 |
| 1.1.0 | 20 | 05/26/2024 |
| 1.0.1 | 23 | 11/14/2024 |
| 1.0.0 | 20 | 05/26/2024 |
| 0.12.21 | 22 | 11/14/2024 |
| 0.12.20 | 21 | 11/14/2024 |
| 0.12.18 | 21 | 11/14/2024 |
| 0.12.16 | 22 | 11/14/2024 |
| 0.12.12 | 20 | 11/14/2024 |
| 0.12.11 | 23 | 11/14/2024 |
| 0.12.9 | 25 | 05/26/2024 |
| 0.12.8 | 22 | 05/26/2024 |
| 0.12.7 | 21 | 11/14/2024 |
| 0.12.6 | 22 | 05/26/2024 |
| 0.12.5 | 23 | 05/26/2024 |
| 0.12.3 | 24 | 05/26/2024 |
| 0.11.24 | 23 | 11/14/2024 |
| 0.11.23 | 21 | 11/14/2024 |
| 0.11.22 | 18 | 12/17/2024 |
| 0.11.21 | 24 | 11/14/2024 |
| 0.11.20 | 21 | 11/14/2024 |
| 0.11.19 | 20 | 11/14/2024 |
| 0.11.18 | 20 | 11/14/2024 |
| 0.11.12 | 23 | 11/14/2024 |
| 0.11.11 | 21 | 12/11/2024 |
| 0.11.9 | 25 | 05/26/2024 |
| 0.11.6 | 26 | 05/26/2024 |
| 0.11.4 | 23 | 05/26/2024 |
| 0.11.3 | 26 | 05/26/2024 |
| 0.11.2 | 27 | 05/26/2024 |
| 0.11.1 | 28 | 05/26/2024 |
| 0.10.15 | 20 | 11/14/2024 |
| 0.10.14 | 21 | 11/14/2024 |
| 0.10.13 | 23 | 11/14/2024 |
| 0.10.12 | 21 | 11/14/2024 |
| 0.10.11 | 19 | 11/14/2024 |
| 0.10.10 | 22 | 11/14/2024 |
| 0.10.9 | 23 | 05/26/2024 |
| 0.10.8 | 23 | 05/26/2024 |
| 0.10.7 | 25 | 05/26/2024 |
| 0.10.6 | 24 | 05/26/2024 |
| 0.10.5 | 22 | 05/26/2024 |
| 0.10.4 | 24 | 05/26/2024 |
| 0.10.3 | 29 | 05/26/2024 |
| 0.10.2 | 18 | 11/14/2024 |
| 0.10.1 | 24 | 05/26/2024 |
| 0.9.18 | 23 | 05/26/2024 |
| 0.9.17 | 22 | 05/26/2024 |
| 0.9.16 | 22 | 05/26/2024 |
| 0.9.15 | 24 | 05/26/2024 |
| 0.9.11 | 25 | 11/14/2024 |
| 0.9.10 | 20 | 11/14/2024 |
| 0.9.7 | 27 | 05/26/2024 |