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Welcome to the official PetaPoco repository

Originally the brainchild of Brad Robinson.

PetaPoco is currently maintained and exteneded by Wade Baglin (@pleb) and Aaron Sherber (@asherber).

Version 6 - Netstandard 2.0+, 4.0, 4.5+

Read more about the v6 update

PetaPoco is available from: NuGet PetaPoco.Compiled

Master	Development	Nuget

Documentation

For configuration, code examples and other general information See the docs

Add-ons

• PetaPoco.SqlKata lets you use the powerful query builder SqlKata to build SQL queries for PetaPoco.
• StaTypPocoQueries.PetaPoco provides the ability to use some simple, strongly typed, Intellisensed LINQ expressions in your queries.
• PetaPoco.DBEntityGenerator lets you generate Pocos from your DB (T4 template replacement).

Version 5 - Legacy

Nuget (Single file)	Nuget Core (+t4 templates)	Nuget Core Compiled (dll)

PetaPoco is a tiny & fast micro-ORM for .NET

• Like Dapper, it's fast because it uses dynamic method generation (MSIL) to assign column values to properties
• Like Massive, it now also supports dynamic Expandos too
• Like ActiveRecord, it supports a close relationship between object and database table
• Like SubSonic, it supports generation of poco classes with T4 templates (V5 only)
• Like Massive it's available as single file that you easily add to any project or complied. (V5 only)

Features at a Glance

• Tiny, and absolutely no dependencies!
• Asychronise or synchronise, the choice is yours. (aka async) (V6)
• Works with strictly undecorated POCOs, or attributed almost-POCOs.
• Easy to configure and includes fluent configuration out of the box.
• Helper methods for Insert/Delete/Update/Save and IsNew
• Paged requests automatically work out total record count and fetch a specific page.
• Easy transaction support.
• Better parameter replacement support, including grabbing named parameters from object properties.
• Great performance by eliminating Linq and fast property assignment with DynamicMethod generation.
• The query language is good ole SQL.
• Includes a low friction SQL builder class that makes writing inline SQL much easier.
• Includes T4 templates to automatically generate POCO classes for you. (V5)
• Hooks for logging exceptions, installing value converters and mapping columns to properties without attributes.
• Works with SQL Server, SQL Server CE, MS Access, SQLite, MySQL, MariaDB, Firebird, and PostgreSQL. (Oracle supported but does not have integration tests).
• Works under Net Standard 2.0, .NET 4.0/4.5+ or Mono 2.8 and later.
• Has Xunit unit tests.
• Has supported DBs integration tests.
• OpenSource (MIT License or Apache 2.0)

Super easy use and configuration

Save an entity

    db.Save(article);    db.Save(new Article { Title = "Super easy to use PetaPoco" });    db.Save("Articles", "Id", { Title = "Super easy to use PetaPoco", Id = Guid.New() });

Get an entity

    var article = db.Single<Article>(123);    var article = db.Single<Article>("WHERE ArticleKey = @0", "ART-123");

Delete an entity

    db.Delete(article);    db.Delete<Article>(123);    db.Delete("Articles", "Id", 123);    db.Delete("Articles", "ArticleKey", "ART-123");

Plus much much more.

Contributing

PetaPoco welcomes input from the community. After all, what is a product without users? If you’d like to contribute, please take the time to read the contribution guide. We would also suggest you have a quick read of Contributing to Open Source on GitHub.

Contributions Honour Roll

A product like PetaPoco isn't the effort of one person, but rather a combined effort of many. For those individuals who rise above and beyond we have a special place to honour them.