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# MySQL2

[![NPM Version][npm-image]][npm-url]
[![NPM Downloads][downloads-image]][downloads-url]
[![Node.js Version][node-version-image]][node-version-url]
[![GitHub Workflow Status (with event)][ci-image]][ci-url]
[![Codecov][coverage]][coverage-url]
[![License][license-image]][license-url]

[English][docs-base] | [简体中文][docs-base-zh-CN] | [Português (BR)][docs-base-pt-BR]

> MySQL client for Node.js with focus on performance. Supports prepared statements, non-utf8 encodings, binary log protocol, compression, ssl [much more][docs-documentation].

**Table of Contents**

- [History and Why MySQL2](#history-and-why-mysql2)
- [Installation](#installation)
- [Documentation](#documentation)
- [Acknowledgements](#acknowledgements)
- [Contributing](#contributing)

## History and Why MySQL2

MySQL2 project is a continuation of [MySQL-Native][mysql-native]. Protocol parser code was rewritten from scratch and api changed to match popular [Node MySQL][node-mysql]. MySQL2 team is working together with [Node MySQL][node-mysql] team to factor out shared code and move it under [mysqljs][mysqljs] organization.

MySQL2 is mostly API compatible with [Node MySQL][node-mysql] and supports majority of features. MySQL2 also offers these additional features:

- Faster / Better Performance
- [Prepared Statements][docs-prepared-statements]
- MySQL Binary Log Protocol
- [MySQL Server][docs-mysql-server]
- Extended support for Encoding and Collation
- [Promise Wrapper][docs-promise-wrapper]
- Compression
- SSL and [Authentication Switch][docs-authentication-switch]
- [Custom Streams][docs-streams]
- [Pooling][docs-qs-pooling]

## Installation

MySQL2 is free from native bindings and can be installed on Linux, Mac OS or Windows without any issues.

```bash
npm install --save mysql2
```

If you are using TypeScript, you will need to install `@types/node`.

```bash
npm install --save-dev @types/node
```

> For TypeScript documentation and examples, see [here][docs-typescript-docs].

## Documentation

- [Quickstart][docs-base]
  - [First Query][docs-qs-first-query], [Using Prepared Statements][docs-qs-using-prepared-statements], [Using Connection Pools][docs-qs-pooling] and more.
- [Documentation][docs-documentation]
- [Examples][docs-examples]
- [FAQ][docs-faq]

## Acknowledgements

- Internal protocol is written by [@sidorares][sidorares] [MySQL-Native][mysql-native].
- Constants, SQL parameters interpolation, Pooling, `ConnectionConfig` class taken from [Node MySQL][node-mysql].
- SSL upgrade code based on [@TooTallNate][TooTallNate] [code][starttls.js].
- Secure connection / compressed connection api flags compatible to [MariaSQL][node-mariasql] client.
- [Contributors][contributors].

## Contributing

Want to improve something in **MySQL2**?
Please check [Contributing.md][contributing] for detailed instruction on how to get started.

To contribute in **MySQL2 Documentation**, please visit the [Website Contributing Guidelines][docs-contributing] for detailed instruction on how to get started.

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