https://github.com/ryanleecode/postgres-error-codes

Postgres Error Codes
https://github.com/ryanleecode/postgres-error-codes

Last synced: 5 days ago
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Postgres Error Codes

• Host: GitHub
• URL: https://github.com/ryanleecode/postgres-error-codes
• Owner: ryanleecode
• License: mit
• Created: 2019-12-29T18:24:46.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2020-12-30T13:07:35.000Z (almost 4 years ago)
• Last Synced: 2024-10-13T01:19:59.571Z (about 1 month ago)
• Language: TypeScript
• Size: 28.3 KB
• Stars: 25
• Watchers: 1
• Forks: 8
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Postgres Error Codes

![actions-badge](https://github.com/drdgvhbh/postgres-error-codes/workflows/CI/badge.svg)

Postgres error codes mapping for NodeJS.

## Install

```

npm i @drdgvhbh/postgres-error-codes

```

## Usage

Each condition from the [PG documentation](https://www.postgresql.org/docs/9.2/errcodes-appendix.html) is available in the module. In order to obtain the status code use the prefixed uppercase condition name:

`unique_violation` => `PG_UNIQUE_VIOLATION`

`not_null_violation` => `PG_NOT_NULL_VIOLATION`

```javascript

const { PG_UNIQUE_VIOLATION, PG_NOT_NULL_VIOLATION } = require('postgres-error-codes')

async function createUserMethod(req, res, next) {

    try {

        // Run insert user SQL

    } catch (err) {

        // If user with same email already exists

        if (err.code === PG_UNIQUE_VIOLATION) {

            return next('Email already exists!')

        }

        // Param should not be null

        if (err.code === PG_NOT_NULL_VIOLATION) {

            return next('Email required!')

        }

        next(err)

    }

}

```

## Related

- [PostgreSQL Error Codes Documentation](https://www.postgresql.org/docs/9.2/errcodes-appendix.html)