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101 lines
4.5 KiB
101 lines
4.5 KiB
# node-postgres
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[](http://travis-ci.org/brianc/node-postgres)
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[](https://david-dm.org/brianc/node-postgres?path=packages/pg)
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<span class="badge-npmversion"><a href="https://npmjs.org/package/pg" title="View this project on NPM"><img src="https://img.shields.io/npm/v/pg.svg" alt="NPM version" /></a></span>
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<span class="badge-npmdownloads"><a href="https://npmjs.org/package/pg" title="View this project on NPM"><img src="https://img.shields.io/npm/dm/pg.svg" alt="NPM downloads" /></a></span>
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Non-blocking PostgreSQL client for Node.js. Pure JavaScript and optional native libpq bindings.
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## Install
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```sh
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$ npm install pg
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```
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---
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## :star: [Documentation](https://node-postgres.com) :star:
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### Features
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- Pure JavaScript client and native libpq bindings share _the same API_
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- Connection pooling
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- Extensible JS ↔ PostgreSQL data-type coercion
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- Supported PostgreSQL features
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- Parameterized queries
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- Named statements with query plan caching
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- Async notifications with `LISTEN/NOTIFY`
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- Bulk import & export with `COPY TO/COPY FROM`
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### Extras
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node-postgres is by design pretty light on abstractions. These are some handy modules we've been using over the years to complete the picture.
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The entire list can be found on our [wiki](https://github.com/brianc/node-postgres/wiki/Extras).
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## Support
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node-postgres is free software. If you encounter a bug with the library please open an issue on the [GitHub repo](https://github.com/brianc/node-postgres). If you have questions unanswered by the documentation please open an issue pointing out how the documentation was unclear & I will do my best to make it better!
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When you open an issue please provide:
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- version of Node
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- version of Postgres
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- smallest possible snippet of code to reproduce the problem
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You can also follow me [@briancarlson](https://twitter.com/briancarlson) if that's your thing. I try to always announce noteworthy changes & developments with node-postgres on Twitter.
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## Sponsorship :two_hearts:
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node-postgres's continued development has been made possible in part by generous finanical support from [the community](https://github.com/brianc/node-postgres/blob/master/SPONSORS.md) and these featured sponsors:
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<div align="center">
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<a href="https://crate.io" target="_blank">
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<img height="80" src="https://node-postgres.com/crate-io.png" />
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</a>
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<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAABCAQAAAB0m0auAAAADElEQVR42mNkIBIAAABSAAI2VLqiAAAAAElFTkSuQmCC" />
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<a href="https://www.eaze.com" target="_blank">
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<img height="80" src="https://node-postgres.com/eaze.png" />
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</a>
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</div>
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If you or your company are benefiting from node-postgres and would like to help keep the project financially sustainable [please consider supporting](https://github.com/sponsors/brianc) its development.
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## Contributing
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**:heart: contributions!**
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I will **happily** accept your pull request if it:
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- **has tests**
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- looks reasonable
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- does not break backwards compatibility
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If your change involves breaking backwards compatibility please please point that out in the pull request & we can discuss & plan when and how to release it and what type of documentation or communicate it will require.
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## Troubleshooting and FAQ
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The causes and solutions to common errors can be found among the [Frequently Asked Questions (FAQ)](https://github.com/brianc/node-postgres/wiki/FAQ)
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## License
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Copyright (c) 2010-2020 Brian Carlson (brian.m.carlson@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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