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<h1 class="page-title">Source: adapters/Sqlite/sqlite3.js</h1>
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<pre class="prettyprint source linenums"><code>const Adapter = require('../../Adapter');
const Result = require('../../Result');
const Helpers = require('../../Helpers');
const sqlite3 = require('sqlite3').verbose();
class SqliteSqlite3 extends Adapter {
constructor (config) {
const file = (Helpers.isString(config)) ? config : config.file;
const instance = new Promise((resolve, reject) => {
const conn = new sqlite3.Database(file, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE, err => {
if (err) {
reject(err);
}
});
conn.on('open', resolve(conn));
});
super(instance);
}
/**
* Transform the adapter's result into a standard format
*
* @param {*} result - original driver result object
* @return {Result} - standard result object
*/
transformResult (result) {
return new Result(result);
}
/**
* Run the sql query as a prepared statement
*
* @param {String} sql - The sql with placeholders
* @param {Array} params - The values to insert into the query
* @return {Promise} - Returns a promise if no callback is provided
*/
execute (sql, params) {
return this.instance.then(conn => new Promise((resolve, reject) => {
conn.all(sql, params, (err, rows) => {
if (err) {
return reject(err);
}
return resolve(this.transformResult(rows));
});
}));
}
/**
* Close the current database connection
* @return {void}
*/
close () {
this.instance.then(conn => conn.close());
}
}
module.exports = SqliteSqlite3;
</code></pre>
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