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https://github.com/simolus3/drift

Drift is an easy to use, reactive, typesafe persistence library for Dart & Flutter.
https://github.com/simolus3/drift

dart dart-build-system flutter persistence reactive sqlite

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Drift is an easy to use, reactive, typesafe persistence library for Dart & Flutter.

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README 

        
# Drift



[![Build Status](https://github.com/simolus3/drift/actions/workflows/main.yml/badge.svg)](https://github.com/simolus3/drift/actions/workflows/main.yml/badge.svg)

[![Using melos](https://img.shields.io/badge/maintained%20with-melos-f700ff.svg?style=flat-square)](https://github.com/invertase/melos)



| Core                                                                                      | Generator                                                                                              |

| :---------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------: |

| [![Main version](https://img.shields.io/pub/v/drift.svg)](https://pub.dev/packages/drift) | [![Generator version](https://img.shields.io/pub/v/drift_dev.svg)](https://pub.dev/packages/drift_dev) |



Drift is a reactive persistence library for Flutter and Dart, built on top of

SQLite.

Drift is



- __Flexible__: Drift lets you write queries in both SQL and Dart,

providing fluent apis for both languages. You can filter and order results

or use joins to run queries on multiple tables. You can even use complex

SQL features like `WITH` and `WINDOW` clauses.

- __🔥 Feature rich__: Drift has builtin support for transactions, schema

migrations, complex filters and expressions, batched updates and joins. We

even have a builtin IDE for SQL!

- __📦 Modular__: Thanks to builtin support for daos and `import`s in SQL files, drift helps you keep your database code simple.

- __🛡️ Safe__: Drift generates type-safe code based on your tables and queries. If you make a mistake in your queries, drift will find it at compile time and

provide helpful and descriptive lints.

- __⚡ Fast__: Even though drift lets you write powerful queries, it can keep

up with the performance of key-value stores like shared preferences and Hive. Drift is the only major persistence library with builtin threading support, allowing you to run database code across isolates with zero additional effort.

- __Reactive__: Turn any SQL query into an auto-updating stream! This includes complex queries across many tables

- __⚙️ Cross-Platform support__: Drift works on Android, iOS, macOS, Windows, Linux and the web. [This template](https://github.com/simolus3/drift/tree/develop/examples/app) is a Flutter todo app that works on all platforms.

- __🗡️ Battle tested and production ready__: Drift is stable and well tested with a wide range of unit and integration tests. It powers production Flutter apps.



With drift, persistence on Flutter is fun!



__To start using drift, read our detailed [docs](https://drift.simonbinder.eu/docs/getting-started/).__



If you have any questions, feedback or ideas, feel free to [create an

issue](https://github.com/simolus3/drift/issues/new). If you enjoy this

project, I'd appreciate your [🌟 on GitHub](https://github.com/simolus3/drift/).



## Sponsors



Drift is proudly Sponsored by [Stream 💙](https://getstream.io/chat/sdk/flutter/?utm_source=Moor&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_campaign=Moor_July2022_FlutterChatSDK_klmh22)







    

        

            

                
Try the Flutter Chat Tutorial &nbsp💬

            

        

    



## Working on this project



This repository contains a number of packages making up the drift project, most

notably:



- `drift`: The main runtime for drift, which provides most APIs.

- `drift_dev`: The compiler for drift tables, databases and daos. It

   also contains a fully-featured SQL IDE for the Dart analyzer.

- `sqlparser`: A SQL parser and static analyzer, written in pure Dart. This package can be used without drift to perform analysis on SQL statements.

It's on pub at

[![sqlparser](https://img.shields.io/pub/v/sqlparser.svg)](https://pub.dev/packages/sqlparser)



We use [melos](https://melos.invertase.dev/) to manage the different packages

in this repository.



You can install it with `dart pub global activate melos`. To activate it in this

repository, run `dart pub get` in this directory followed by `melos bootstrap`.