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Access to database

Setup the access to your database

You need to provide the database information needed to establish a connexion to your database. This is what it should look like:

    const database = {
      user: 'root',             // the login to access your database
      password: 'password',     // the password to access your database
      type: 'mysql',            // the database type that you wish to be using
      privateKey: 'key',        // a private key that will be used to identify requests that can ignore access rules
      host : 'localhost',       // the database server host
      database: 'myDatabase',   // the name of your database
      create : true,            // we require to overwrite any pre-existing database with the same name
};

These are the database configuration fields:

  • types: Currently, only mysql is available. If you want to use SompleQL with another database, please open an issue or a PR.
  • privateKey: This should be consider as an administrator password. Requests using thins key will be granted all access and access control rules will be ignored (see setting access rights).
  • create: Right now, when you want to create the database the first time, you need to set create to true. Once your database is created, you will need to remove the create option. This will be improved in the future.

You can also add other options. They will be transfered to the database driver.

  • For mysql driver, you can find the list here

Make server-side requests to the database

Warning: You should NOT use this method inside plugins. Using this methods, your changes to the database will automatically be commited.

You can use SimpleQL server-side to query the database. To do so, you will need to require the asynchronous function getQuery from simple-ql package:

const { getQuery } = require('simple-ql');

getQuery('myDatabase')
  //Make the server-side request
  .then(query => query({
    User: {
      email : '[email protected]',
      contacts : {
        add : {email: '[email protected]'},
      }
    }
  }))
  //Log the results
  .then(results => console.log(results));

query is a function that will take 2 parameters:

  • request: the SimpleQL request that you wish to execute on the database
  • userId: the reservedId of the user that you want the request to be executed on the behalf of. By default, the request will be executed with admin rights and full access to the database will be granted, ignoring the rules defined for this database. If you want the request to be limited to the access rights a specific user would be granted, just use its reservedId as second parameter for the request.

Example:

getQuery('myDatabase')
  //Make the server-side request
  .then(query => query({
    User: {
      email : '[email protected]',
      get: '*',
    }
  }, 1))
  //Log the results
  .then(results => console.log(results));

This request will be executed on the behalf of the user whose reservedId is 1. Thus, this request will not retrieve the password of the user as this information is not readable.