<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: NodeQuery.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: NodeQuery.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>const QueryBuilder = require('./QueryBuilder');
// Map config driver name to code class name
const dbDriverMap = new Map([
['my', 'Mysql'],
['mysql', 'Mysql'],
['maria', 'Mysql'],
['mariadb', 'Mysql'],
['firebird', 'Firebird'],
['postgresql', 'Pg'],
['postgres', 'Pg'],
['pg', 'Pg'],
['sqlite3', 'Sqlite'],
['sqlite', 'Sqlite'],
['sqlserver', 'MSSQLServer'],
['mssql', 'MSSQLServer']
]);
/**
* Class for connection management
*
* @param {object} config - connection parameters
*/
class NodeQuery {
/**
* Constructor
*
* @param {object} config - connection parameters
* @param {string} config.driver - the database driver to use, such as mysql, sqlite, mssql, or pgsql
* @param {object|string} config.connection - the connection options for the database
* @param {string} config.connection.host - the ip or hostname of the database server
* @param {string} config.connection.user - the user to log in as
* @param {string} config.connection.password - the password to log in with
* @param {string} config.connection.database - the name of the database to connect to
* @example let nodeQuery = require('ci-node-query')({
* driver: 'mysql',
* connection: {
* host: 'localhost',
* user: 'root',
* password: '',
* database: 'mysql'
* }
* });
* @example let nodeQuery = require('ci-node-query')({
* driver: 'sqlite',
* connection: ':memory:'
* });
*/
constructor (config) {
this.instance = null;
if (config !== undefined) {
const driverName = dbDriverMap.get(config.driver);
if (!driverName) {
throw new Error(`Selected driver (${config.driver}) does not exist!`);
}
const driver = require(`./drivers/${driverName}`);
const Adapter = require(`./adapters/${driverName}`);
this.instance = new QueryBuilder(driver, Adapter(config));
}
}
/**
* Return an existing query builder instance
*
* @return {QueryBuilder} - The Query Builder object
*/
getQuery () {
if (this.instance == null) {
throw new Error('No Query Builder instance to return');
}
return this.instance;
}
}
module.exports = config => new NodeQuery(config);
</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-drivers_MariaDB.html">drivers/MariaDB</a></li><li><a href="module-drivers_MSSQLDriver.html">drivers/MSSQLDriver</a></li><li><a href="module-drivers_Mysql.html">drivers/Mysql</a></li><li><a href="module-drivers_Pg.html">drivers/Pg</a></li><li><a href="module-drivers_Sqlite.html">drivers/Sqlite</a></li></ul><h3>Classes</h3><ul><li><a href="NodeQuery.html">NodeQuery</a></li><li><a href="QueryBuilder.html">QueryBuilder</a></li><li><a href="Result.html">Result</a></li></ul>
</nav>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Mon Feb 12 2018 14:58:25 GMT-0500 (EST)
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>