Aore.Logger.Postgre 1.2.2

.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. .NET Framework 4.6.2 This package targets .NET Framework 4.6.2. The package is compatible with this framework or higher. 
dotnet add package Aore.Logger.Postgre --version 1.2.2
                    


                    

                
NuGet\Install-Package Aore.Logger.Postgre -Version 1.2.2
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Aore.Logger.Postgre" Version="1.2.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Aore.Logger.Postgre" Version="1.2.2" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Aore.Logger.Postgre" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Aore.Logger.Postgre --version 1.2.2
                    


                    

                
#r "nuget: Aore.Logger.Postgre, 1.2.2"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Aore.Logger.Postgre@1.2.2
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Aore.Logger.Postgre&version=1.2.2
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Aore.Logger.Postgre&version=1.2.2
                    


                            Install as a Cake Tool

Aore.Logger.Postgre — PostgreSQL 日志扩展包

Aore.Logger 的 PostgreSQL 数据库日志目标：Linux/云原生环境首选，MVCC 并发友好，原生 UUID 与 TIMESTAMP(3) 类型。

1. 作用与目的

把日志同步写入 PostgreSQL 数据库表，支持：

  • 自动建表/建索引：构造时自动建表（"双引号" 转义标识符）+ 时间戳/级别索引；
  • 原生类型：UUID 主键、TIMESTAMP(3) 毫秒时间戳；
  • 池化客户端：Npgsql 连接池，多进程集中写入友好；
  • 字段映射：9 个字段列名逐字段可配、可置 null 跳过，支持写入现有表；
  • 保留清理：可选按天保留，后台按 ctid 分批删除（每批 5000 行），不阻塞写入。

2. 安装与依赖

dotnet add package Aore.Logger.Postgre
  • 依赖驱动：Npgsql 7.0.10（固定 7.x——Npgsql 8+ 不再支持 netstandard2.0）
  • 必须同时引用核心包 Aore.Logger
  • 目标框架：netstandard2.0 / net462 / net472 / net48 / net8.0

3. 快速上手

using Aore.Logger;

Logger.Instance.Configure(new LoggerConfig
{
    EnableFileLog = false,
    EnableDatabaseLog = true,
    DatabaseLogConfig = new DatabaseLogConfig
    {
        DatabaseType = DatabaseType.Postgre,
        ConnectionString = "Host=192.168.1.30;Port=5432;Database=applogs;Username=loguser;Password=******",
        TableName = "Logs"
    }
});

Logger.Instance.Info("写入 PostgreSQL 的日志");

连接串也支持 URI 形式：postgresql://loguser:******@192.168.1.30/applogs。连接失败/建表失败在 Configure 时抛出（保留旧目标列表并带内层异常）。

4. 自动创建的表与索引

CREATE TABLE IF NOT EXISTS "Logs" (
    "Id" UUID NOT NULL PRIMARY KEY,               -- Guid
    "Timestamp" TIMESTAMP(3) NOT NULL,            -- 毫秒精度
    "Level" VARCHAR(50) NOT NULL,
    "Message" TEXT NOT NULL,
    "Exception" TEXT,
    "MemberName" VARCHAR(500),
    "FilePath" VARCHAR(1000),
    "LineNumber" INTEGER,
    "createdGMT" TIMESTAMP(3) NOT NULL            -- UTC 时间（Timestamp 转换）
);
-- 另按已映射列创建 Timestamp 与 Level 两个索引

5. 清理（保留策略）

IsClearingExecuted = true 启用：写入时命中周期窗口派发后台清理，按已映射的时间戳列删除早于 RetentionDays 的行；按 ctid 分批（5000 行/批）循环删除——短事务、避免长事务膨胀、不依赖 Id 列（GENERATED ... AS IDENTITY 表 IdColumn = null 清理照常）。

6. 写入现有表（字段映射）

DatabaseLogConfig = new DatabaseLogConfig
{
    DatabaseType = DatabaseType.Postgre,
    ConnectionString = "...",
    TableName = "sys_oper_log",
    IdColumn = null,                      // GENERATED ALWAYS AS IDENTITY 表必须置 null！
    TimestampColumn = "created_at",
    LevelColumn = "log_level",
    MessageColumn = "content"
}

⚠️ GENERATED ALWAYS AS IDENTITY 列必须 IdColumn = null（显式写自增列直接报错，每条写入失败且被 Logger 吞掉）。

7. 本方言注意事项

  1. 索引名上限 63 字符：超长自动截断 + FNV-1a 哈希后缀；
  2. 标识符以 "双引号" 转义（区分大小写），表名/列名仅允许 字母/数字/下划线/$；
  3. default(DateTime)（0001-01-01）超出 TIMESTAMP 语义范围，Timestamp 请使用正常业务时间；
  4. 排障可用 new PostgreLogTarget(config).TestConnection() 探测连通性；
  5. 连接串支持 Maximum Pool Size、SSL Mode 等 Npgsql 扩展键。
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 is compatible.  net463 was computed.  net47 was computed.  net471 was computed.  net472 is compatible.  net48 is compatible.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
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Version Downloads Last Updated
1.2.2 0 9/28/2026
1.2.1 45 9/25/2026
1.2.0 54 9/25/2026 1.2.0 is deprecated because it is no longer maintained.

PostgreSQL logging extension for Aore.Logger